Re: [CentOS] Web statistics - w3perl
On Thu, Nov 4, 2010 at 7:45 AM, Lanny Marcus lmmailingli...@gmail.comwrote: On Wed, Oct 13, 2010 at 2:15 PM, Camron W. Fox cw...@us.fujitsu.com wrote: On 10/10/13 08:12, Jussi Hirvi wrote: I am considering a richer alternative to good old Webalizer, in a webhotel (multidomain) setting. Any experience with w3perl? The demo at least looks impressive. http://www.w3perl.com - Jussi You could consider http://piwik.org/ . I haven't used it myself but it looks like a decent alternative. Matt -- Mathew S. McCarrell Clarkson University '10 '11 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Cacti/snmp question
On Mon, Jun 14, 2010 at 4:29 PM, Whit Blauvelt w...@transpect.com wrote: Hi, Trying to follow the recipe at http://wiki.centos.org/HowTos/Cacti_on_CentOS_4.x Which has a bit of an update for 5.x, but no joy. Anyone know what this from Cacti should suggest? Data Query Debug Information + Running data query [9]. + Found type = '6 '[script query]. + Found data query XML file at '/var/www/cacti/resource/script_server/host_cpu.xml' + XML file parsed ok. + Executing script for list of indexes '/usr/bin/php -q /var/www/cacti/scripts/ss_host_cpu.php 127.0.0.1 1 2:161:500:1:10:public:::MD5::DES: index' + Executing script query '/usr/bin/php -q /var/www/cacti/scripts/ss_host_cpu.php 127.0.0.1 1 2:161:500:1:10:public:::MD5::DES: query index' + Found data query XML file at '/var/www/cacti/resource/script_server/host_cpu.xml' + Found data query XML file at '/var/www/cacti/resource/script_server/host_cpu.xml' + Found data query XML file at '/var/www/cacti/resource/script_server/host_cpu.xml' The problem is that's returning no information to Cacti to any of the SNMP queries. My whole goal here is to get something working to graph CPU core use on a handful of systems. Or is there a better tool than Cacti (or better documented - hopefully in the form of simple recipe rather than many haphazard - often out-of-date - pages of RTFM)? Cacti admits to serious security flaws, not that this'll go on the public net, but I'd be happier to run something safer nontheless. Thanks, Whit I don't have an exact answer for you but you may find this tutorial useful. http://docs.cslabs.clarkson.edu/wiki/Install_Cacti_on_CentOS_5 http://docs.cslabs.clarkson.edu/wiki/Install_Cacti_on_CentOS_5You may find this information useful as well, even if it's specific to the environment it's used in. http://docs.cslabs.clarkson.edu/wiki/Monitor_a_Remote_System_with_Nagios/SNMP http://docs.cslabs.clarkson.edu/wiki/Monitor_a_Remote_System_with_Nagios/SNMP HTH, Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Cacti/snmp question
On Mon, Jun 14, 2010 at 5:58 PM, Whit Blauvelt w...@transpect.com wrote: On Mon, Jun 14, 2010 at 04:38:17PM -0400, Mathew S. McCarrell wrote: I don't have an exact answer for you but you may find this tutorial useful. http://docs.cslabs.clarkson.edu/wiki/Install_Cacti_on_CentOS_5 Thanks. That summarizes nicely the steps I've taken. It's a bit better put together that the several sets of instructions I was working from. The steps it shows are exactly what I ended up doing though. You may find this information useful as well, even if it's specific to the environment it's used in. http://docs.cslabs.clarkson.edu/wiki/Monitor_a_Remote_System_with_Nagios/SNMP Should be useful when I extend our Nagios monitoring to include snmp data. We're using Nagios extensively, but it doesn't seem suited to the sort of load graphing we need for our CPU cores - or if it is it's a side of Nagios I'm unfamiliar with (which could be, it's nicely extensible). I guess I was thinking originally that you'd find the snmp configuration more useful than anything really related to Nagios on that page. Nagios itself doesn't do graphing but some addons can utilize Nagios data to produce graphs. If you can successfully use snmpwalk on the remote system, then at least you know snmp isn't the problem and you might not find that article very useful. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS-virt] Logrotate/cron and major I/O contention with KVM.
On Wed, Mar 10, 2010 at 5:28 PM, Steven Ellis steven.el...@bulletin.netwrote:
Is anyone else having major I/O peaks due to logrotate or other jobs
running simultaneously across multiple guests. I have one KVM server running
Centos 5.4 with local disk that is seriously suffering as most of the guests
rotate their syslog at the same time.
Looking at the KVM server I'm seeing
11:00:01 PM CPU %user %nice %system %iowait%steal
%idle
03:40:01 AM all 0.07 0.00 2.74 0.93 0.00
96.26
03:50:01 AM all 0.07 0.00 1.17 1.18 0.00
97.58
04:00:01 AM all 0.08 0.00 1.51 0.82 0.00
97.59
04:10:02 AM all 0.53 0.03 15.31 51.61 0.00
32.53
04:20:01 AM all 0.28 0.12 4.12 22.21 0.00
73.27
04:30:01 AM all 0.07 0.00 0.80 1.21 0.00
97.92
04:40:01 AM all 0.07 0.00 2.60 1.81 0.00
95.52
04:50:01 AM all 0.08 0.00 0.79 1.44 0.00
97.69
On one of the guests running Centos 4.6 the impact is so bad I get DMA
timeout errors in the syslog, and occasional kernel panics.
Mar 11 04:05:04 localhost kernel: hda: dma_timer_expiry: dma status == 0x21
Mar 11 04:05:14 localhost kernel: hda: DMA timeout error
Mar 11 04:05:14 localhost kernel: hda: dma timeout error: status=0x50 {
DriveReady SeekComplete }
Mar 11 04:05:14 localhost kernel:
Mar 11 04:05:14 localhost kernel: ide: failed opcode was: unknown
Mar 11 04:05:59 localhost kernel: hda: dma_timer_expiry: dma status == 0x21
Mar 11 04:06:14 localhost kernel: hda: DMA timeout error
Mar 11 04:06:14 localhost kernel: hda: dma timeout error: status=0x50 {
DriveReady SeekComplete }
One reference I've found is at
* http://lonesysadmin.net/linux-virtual-machine-tuning-guide/
This suggests avoiding running scheduled jobs simultaneously across guests,
and suggests using a random sleep.
Does anyone else have suggestions on reducing the impact of cron/logrotate.
I ran into this issue as well on a box running Xen with local storage.
My solution was to modify /etc/crontab to run /etc/cron.weekly at different
times for each guest and for the dom0. I modified the entry on each VM to
be 10 minutes after the previous one and have not seen any load spikes since
then.
Matt
--
Mathew S. McCarrell
Clarkson University '10
mccar...@gmail.com
mccar...@clarkson.edu
1-518-314-9214
___
CentOS-virt mailing list
CentOS-virt@centos.org
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Re: [CentOS] Temperature sensor
On Fri, Feb 26, 2010 at 11:20 AM, Kwan Lowe kwan.l...@gmail.com wrote: On Fri, Feb 26, 2010 at 11:14 AM, Dominik Zyla gavro...@gavroche.pl wrote: On Fri, Feb 26, 2010 at 11:00:21AM -0500, Bowie Bailey wrote: Does anyone know of a cheap temperature sensor that will work with Linux? I don't need a fancy monitoring appliance, I just want a simple sensor that I can connect to one of my monitoring servers to let me know if the server room is getting hot. Hi, Any RS-232 temperature sensor should do the job. The USB ones also (generally) work with CentOS, though you may need to resort to reading the USB device with a script and doing your own graphing and alerting. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos You might find this useful: http://quozl.us.netrek.org/ts/ -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] a VNC client suitable to monitor 15 desktops in 1 screen, automatic reconnect. Exists?
iTALC might meet your purposes. http://italc.sourceforge.net/ They haven't had a release in awhile though. HTH, Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 On Wed, Feb 17, 2010 at 11:17 AM, Andres Salazar ndrsslz...@gmail.comwrote: Hello, Is there a VNC client out there that can permit me to run it 15 times simultaneously and scale them smaller so that I can view 15 little remote screens (at the same time) in my one big monitor? Also, is there a way to make it so if the PC is rebooted the client automatically reconnects ? The goal of this is to have one big monitor to view in realtime what people are doing in their PCs. Without interaction from me with the mouse/keyboard.. all I need to do is watch. A plus if this VNC client is compatible with MacOS/windows Andres ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos UPS
2009/12/26 Robert Spangler mli...@zoominternet.net Hello, I received for X-mas an APC UPS system form my computer. I'm looking for how I can integrate it into the system so that the system will shut down either after the UPS power is low enough or a timed event after the power is out will automatically shutdown. Would also like it to be smart enough to stop the shut down process if power is restored before the shutdown starts. Anyone have any recommendation for this setup? Thanks. -- Regards Robert Linux User #296285 http://counter.li.org I currently use apcupsd for this purpose. It is available from rpmforge. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] xm mem-set on an F11 xen guest
On Mon, Dec 21, 2009 at 3:01 PM, Scot P. Floess sflo...@nc.rr.com wrote: I just tried to change the memory for my F11 xen guest from 512 to 1024. After executing: xm mem-set workstation 1024 xm list shows the memory still being 512. Anyone else see this behavior before? I tried other values as well - but the memory is still what it was when I created the VM... I'm running CentOS 5.4 on an i386... You might have to use xm mem-max to set the maximum memory for the guest prior to using xm mem-set. Also, if you look at the man page for xm, you will see the following for mem-set: Because this operation requires cooperation from the domain operating system, there is no guarantee that it will succeed. This command will definitely not work unless the domain has the required paravirt driver. So, there is no guarantee that you can increase/decrease the ram of a guest without restarting it. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] yum quit working in CentOS 5.4 x86_64
On Mon, Dec 14, 2009 at 7:31 PM, David McGuffey davidmcguf...@verizon.netwrote: Here is what my logs show for the last three updates that ran successfully: Nov 14 10:02:13 Updated: 1:libvorbis-1.1.2-3.el5_4.4.x86_64 Nov 14 10:02:13 Installed: libmpeg2-0.5.1-2.el5.rf.x86_64 Nov 14 10:02:14 Installed: libmpeg2-utils-0.5.1-2.el5.rf.x86_64 Nov 14 10:02:17 Updated: httpd-2.2.3-31.el5.centos.2.x86_64 Nov 14 10:02:17 Updated: dbus-python-0.70-9.el5_4.x86_64 Nov 14 10:02:18 Updated: 1:libvorbis-1.1.2-3.el5_4.4.i386 Nov 14 10:02:19 Updated: 1:libvorbis-devel-1.1.2-3.el5_4.4.i386 Nov 14 10:02:19 Updated: 1:libvorbis-devel-1.1.2-3.el5_4.4.x86_64 Nov 14 10:02:19 Erased: mpeg2dec Nov 17 21:26:08 Installed: aide-0.13.1-4.el5.x86_64 Nov 24 22:04:43 Updated: 1:cups-libs-1.3.7-11.el5_4.4.x86_64 Nov 24 22:04:44 Updated: 1:cups-libs-1.3.7-11.el5_4.4.i386 Nov 24 22:04:52 Updated: 1:cups-1.3.7-11.el5_4.4.x86_64 Nov 27 08:59:17 Installed: twolame-0.3.12-1.el5.rf.x86_64 Nov 27 08:59:18 Updated: gstreamer-plugins-ugly-0.10.11-1.el5.rf.x86_64 Nov 27 08:59:18 Updated: gstreamer-ffmpeg-0.10.6-1.el5.rf.x86_64 Nov 28 08:35:38 Updated: metacity-2.16.0-12.el5_4.1.x86_64 Nov 28 08:35:38 Updated: xterm-215-8.el5_4.1.x86_64 Nov 28 08:35:39 Updated: kexec-tools-1.102pre-77.el5.3.x86_64 Nov 28 08:35:41 Updated: system-config-lvm-1.1.5-1.0.el5_4.1.noarch Nov 28 08:35:47 Updated: metacity-2.16.0-12.el5_4.1.i386 So...maybe I'm just an IA guy with a worrying problem. I'm used to my Windoze boxes updating nearly every time I boot them. I'm also used to Fedora 10 and 11 which seem to have updates every two or three days. DaveM I think your just worrying. According to the announce list archives ( http://lists.centos.org/pipermail/centos-announce/), there haven't been any updates released for CentOS 5 since Nov. 27th. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] nagios 3 packages?
On Wed, Dec 9, 2009 at 6:58 PM, nate cen...@linuxpowered.net wrote: Florin Andrei wrote: So, my favorite RPM repository (EPEL) only has the ancient nagios-2.12 or so. What's the repo you use for Nagios 3? About a year ago I yanked the SRPMs from an OpenSUSE site and built them for CentOS 4.x/5.x (32/64-bit). Not sure if there is a ready made repo for nagios 3 for centos at this point, be surprised if there wasn't since it's pretty old now. # rpm -qa | grep -i nagios nagios-plugins-1.4.9-1.el5 nagios-3.0.2-1.el5 nagios-nrpe-2.5.2-1.el5 nagios-plugins-setuid-1.4.9-1.el5 nagios-www-3.0.2-1.el5 nagios-plugins-nrpe-2.5.2-1.el5 nagios-devel-3.0.2-1.el5 Been using it across a half dozen nagios servers monitoring probably 8000 services on 500 hosts for quite a while now. nate RPMForge has the latest stable Nagios release and I've had no issues with it... well other than the DST bug that 3.2.0 currently has. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] (re)load new kernel with rebooting host node?
On Wed, Dec 2, 2009 at 2:22 PM, Rudi Ahlers r...@softdux.com wrote: Hi all, Is it possible to reload the dom0 / host node's kernel with a newer one, without rebooting the server? I know kexec can do something like this for security patches, but I don't know much about kexec, and I don't want to mess up a production server either. So, has anyone done something like this before? I need to load a new kernel for one of the domU's iptables to work, but don't want to reboot the whole server and cause downtime for the other domU's. http://www.ksplice.com/ -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] send existing root email to another user
On Mon, Nov 30, 2009 at 9:32 PM, Lists li...@rheel.co.nz wrote: Hi all, I'm running Centos 5.4 I have a pile of emails in my root users /var/spool/mail/root file I need to send this all to another address (preferrably external but local would possibly do) I have searched a lot but can't find any way to do this. I have set it so future emails get forwarded to my external address but I also need to shift the existing emails. Kate, You need to modify /etc/aliases to have something like: root: u...@gmail.com You should then run /usr/bin/newaliases to make these changes active. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] send existing root email to another user
On Mon, Nov 30, 2009 at 9:42 PM, Lists li...@rheel.co.nz wrote: Kate, You need to modify /etc/aliases to have something like: root: u...@gmail.com mailto:u...@gmail.com You should then run /usr/bin/newaliases to make these changes active||. Matt Hi Matt, I have done this and it works for new mail arriving but I need to onsend the existing mail. Ah, I misread what you were looking to do. You should be able to do the following then. cat /var/spool/mail/root | mail -s Old Root Emails u...@gmail.com Hope that helps. Matt ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] send existing root email to another user
On Mon, Nov 30, 2009 at 10:09 PM, Lists li...@rheel.co.nz wrote: Argh spoke to soon - its mostly all good apart from the attachments that are on the emails don't come through as attachments. Is there any way I can send the so that they are received with attachments still intact? Kate Not that I can think of but Craig's suggestion might work. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] recommend benchmarking SW
On Tue, Nov 3, 2009 at 6:43 PM, Ross Walker rswwal...@gmail.com wrote: On Nov 3, 2009, at 11:16 AM, Les Mikesell lesmikes...@gmail.com wrote: Ross Walker wrote: On Nov 3, 2009, at 8:22 AM, Alan McKay alan.mc...@gmail.com wrote: Hey folks, We've got some new hardware and are trying to figure out what best to do with it. Either run CentOS right on the bare metal, or virtualize, or several combination options. Mainly looking at : - CentOS on bare metal - CentOS on ESXi 4.0 with local disk - CentOS on ESXi with 1 VM running Openfiler to serve disk to other VMs And want to benchmark these 3 scenarios So far all we have is a dd-based disk IO benchmark. What else can you all recommend. BTW, we also ideally want to try each of the above with a Postgres DB as well (and once without) You can try out stress. There is a package for it from rpmforge. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Bypass Hung Applications At Boot So System Can Complete The Boot Process
On Fri, Oct 23, 2009 at 12:12 PM, Kemp, Larry larry.k...@usmetrotel.comwrote: I have a CentOS system that is hanging at boot. Sendmail takes forever (and a few other apps hang as well...mainly network apps). This has proven in the pas to be a NIC misconfiguration or a network issue. I think that is what it is on this one too. Is there a way when I see an app haning at boot to make the server stop trying to load the hung app and bring the OS up into the GI so that I get to fixing it? Thanks in advance. Larry Kemp Network Engineer U.S. Metropolitan Telecom, LLC ___ If your having network apps hang, I would take a look at your /etc/hosts file and make sure it is correct. I've had an issue in the past with sendmail hanging during boot and an incorrect /etc/hosts file was the cause. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 5.4 DVD
On Sat, Oct 24, 2009 at 9:31 AM, mark m.r...@5-cent.us wrote: David Suhendrik wrote: Still waiting for DVD 5.4 64 bit There's a couple of mirrors that have it. I looked through several .edu site - I think RIT had one. mark The Clarkson mirror also carries the DVDs. http://mirror.clarkson.edu/centos/5/isos/x86_64/CentOS-5.4-x86_64-bin-DVD.iso Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Switch to measure traffic at IP level?
On Fri, Oct 23, 2009 at 12:07 PM, Neil Aggarwal n...@jammconsulting.comwrote: Matt: depending on what your using for virtualization, you might be able to pull all of those stats with snmp on the host. I am using KVM on CentOS 5.4 Let me know if you think it is possible to gather everything I need at the host without requirining anything from the guests. You might be able to use virsh domifstat or something similar. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 5.4 DVD
On Fri, Oct 23, 2009 at 11:07 AM, m.r...@5-cent.us wrote: I admit I wasn't following the screaming and yelling about 5.4, so excuse me if this has been answered My boss tells me he wants me to start rolling out 5.4. I want to d/l burn a DVD... but when I looked at a number of mirrors, the .iso is from 1 Oct, while the CD .iso's are from the 14th... yet 5.4 was officially announced the other day. Am I missing something, or do the mirrors have a pre-release DVD .iso, with no fixes in the last three weeks, or ...? mark The dates are likely based on when the ISO was actually created. Therefore, if the ISO was generated on Oct. 1st and no issues were found with it in QA, then the date you are seeing on the mirrors is correct. The ISOs are based on the original 5.4 tree and don't include updates that Red Hat released after the initial release of RHEL 5.4. HTH, Matt ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 5.4 DVD
But why are the 7-iso set of CD's from two weeks later? Or is it just that folks felt that building those was more important than rebuilding the DVD version? mark Looking at the dates for the ISOs on the mirror I maintain, they are all from Oct. 1st or 2nd. Only the torrent files are from two weeks later. http://mirror.clarkson.edu/centos/5/isos/i386/ http://mirror.clarkson.edu/centos/5/isos/x86_64/ -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Switch to measure traffic at IP level?
On Fri, Oct 23, 2009 at 11:44 AM, Neil Aggarwal n...@jammconsulting.comwrote: Alternately you could use something like Munin to monitor on the box itself. I took a look and I think it requires software running on each guest to report the data back to the centralized system. Is that correct? If so, I am looking for a solution that does not require any software on the guest machines. Thanks, Neil If your going to take this approach, why not just use your current cacti setup and enable snmp on each of the hosts? That seems like the simplest and cheapest approach. Just my thoughts. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Switch to measure traffic at IP level?
On Fri, Oct 23, 2009 at 11:58 AM, Neil Aggarwal n...@jammconsulting.comwrote: Matt: why not just use your current cacti setup and enable snmp on each of the hosts? That seems like the simplest and cheapest approach. As I understand it, I would actually have to enable snmp on each of the guests, not the hosts. Am I wrong? Thanks, Neil Yeah, I guess you probably would and I can see how you would want to avoid that. That is how I do it with Cacti right now but depending on what your using for virtualization, you might be able to pull all of those stats with snmp on the host. Matt ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 5.4 DVD
On Fri, Oct 23, 2009 at 1:56 PM, Ian Murray murra...@yahoo.co.uk wrote: The dates are likely based on when the ISO was actually created. Therefore, if the ISO was generated on Oct. 1st and no issues were found with it in QA, then the date you are seeing on the mirrors is correct. The ISOs are based on the original 5.4 tree and don't include updates that Red Hat released after the initial release of RHEL 5.4. As far as I remember, some subsequent RH updates are rolled-into the CentOS release. Someone more familiar with the build process may clarify that. You could be right. I didn't think they were but I'm not incredibly familiar with the entire rebuild process. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] New administrator and upgrading systems
On Wed, Oct 21, 2009 at 5:55 PM, Yves Bellefeuille y...@storm.ca wrote: it will work when your mirror has 5.4 I have the same problem. Are many mirrors not updated yet? Many of them should be current since the official release just occurred. I've already seen 25 Mbps jump in traffic on the Clarkson mirror since release almost an hour ago. -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] New administrator and upgrading systems
On Wed, Oct 21, 2009 at 6:20 PM, Yves Bellefeuille y...@storm.ca wrote: On Wednesday 21 October 2009 18:01, Mathew S. McCarrell wrote: On Wed, Oct 21, 2009 at 5:55 PM, Yves Bellefeuille y...@storm.ca wrote: I have the same problem. Are many mirrors not updated yet? Many of them should be current since the official release just occurred. I've already seen 25 Mbps jump in traffic on the Clarkson mirror since release almost an hour ago. It seems that my list of mirrors isn't being updated. The file /var/cache/yum/updates/mirrorlist.txt has this: http://www.muug.mb.ca/pub/centos/5.3/updates/i386/ http://centos.arcticnetwork.ca/5.3/updates/i386/ (etc.) I did do yum clean all. How can I get the file to indicate http://www.muug.mb.ca/pub/centos/5.4/updates/i386/, etc.? That is a bit strange. I would have expected the links to be http://server/centos/*5*/blahblah instead of having 5.3. Is your /etc/yum.repos.d/CentOS-Base.repo still the original version or has someone customized it to look at 5.3 specifically? Matt ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] New administrator and upgrading systems
On Wed, Oct 21, 2009 at 9:29 PM, Alan McKay alan.mc...@gmail.com wrote: /etc/yum.repos.d/CentOS-Base.repo has this: #released updates [updates] name=CentOS-$releasever - Updates mirrorlist= http://mirrorlist.centos.org/?release=$releaseverarch=$basearchrepo=updates #baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/ gpgcheck=1 enabled=1 priority=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 You can update this yourself to hardcode the 5.4 version of your mirror, e.g someone else in this thread said this was their mirror : http://www.muug.mb.ca/pub/centos/5.3/updates/i386/ and you can change the 5.3 to 5.4 to see that 5.4 is there already, but maybe the 5 symlink has not yet been changed to point to it http://www.muug.mb.ca/pub/centos/5.4/updates/i386/ So update the repo file to something like this : #mirrorlist= http://mirrorlist.centos.org/?release=$releaseverarch=$basearchrepo=updates baseurl=http://www.muug.mb.ca/pub/centos/5.4/updates/i386/ Updating your repo file like this is a very bad idea. You would be better off waiting for the mirrorlist.txt file to update instead of causing yourself more headaches in the long run. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] New administrator and upgrading systems
On Wed, Oct 21, 2009 at 9:23 PM, Yves Bellefeuille y...@storm.ca wrote: On Wednesday 21 October 2009 21:16, Mathew S. McCarrell wrote: That is a bit strange. I would have expected the links to be http://server/centos/*5*/blahblah instead of having 5.3. Is your /etc/yum.repos.d/CentOS-Base.repo still the original version or has someone customized it to look at 5.3 specifically? /etc/yum.repos.d/CentOS-Base.repo has this: #released updates [updates] name=CentOS-$releasever - Updates mirrorlist= http://mirrorlist.centos.org/?release=$releaseverarch=$basearchrepo=updates #baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/ gpgcheck=1 enabled=1 priority=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5http://mirrorlist.centos.org/?release=$releaseverarch=$basearchrepo=updates%0A#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/%0Agpgcheck=1%0Aenabled=1%0Apriority=1%0Agpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 But anyway /var/cache/yum/updates/mirrorlist.txt finally got updated and the problem has been solved. I'm still wondering why I couldn't update the file in the first place, though. Glad to hear it resolved itself automatically. It probably just has something to do with you trying to update so close to the official release time. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] New administrator and upgrading systems
On Wed, Oct 21, 2009 at 9:42 PM, Alan McKay alan.mc...@gmail.com wrote: On Wed, Oct 21, 2009 at 9:31 PM, Mathew S. McCarrell mccar...@gmail.com wrote: Updating your repo file like this is a very bad idea. You would be better off waiting for the mirrorlist.txt file to update instead of causing yourself more headaches in the long run. In my case I use all my own internal mirrors so it's the same either way ;-) Indeed, I use the internal mirror that I run as well but I leave things set as http://mirror/centos/$releasever/updates/$basearch/ instead of hard coding it to 5.4 and the architecture. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 5.4 at last?
On Tue, Oct 20, 2009 at 8:08 PM, fred smith fre...@fcshome.stoneham.ma.uswrote: Now that it appears that some folks are able to get the 5.4 downloads (and a GREAT BIG THANK YOU to all the centos team members who make this possible!) I'm wondering when the updates will begin flowing so that those of us running 5.3 can do yum upgrade and enjoy all the benefits too? Thanks in advance! You must be patient! Many of the mirrors (including the one that I maintain) are still syncing 5.4 due to issues that arose. Wouldn't you prefer to pull your packages from a mirror that won't give you 404s? :D Matt ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] [OT] DHCP authauth software
On Sun, Oct 18, 2009 at 11:38 AM, Marko Vojinovic vvma...@gmail.com wrote: On Sunday 18 October 2009 15:18:29 Jonathan Moore wrote: On Sun, Oct 18, 2009 at 8:58 AM, Marko Vojinovic vvma...@gmail.com wrote: I imagine the following scenario: someone walks into my office building with a laptop (a colleague, a visitor, a guest, whoever), and hooks up onto the local net (wired or wireless). The server detects an unknown MAC address, issues a bogus dhcp lease which resolves all dns queries to a single internal web page with a form the user is supposed to fill in and send. After he does so, an administrator does a sanity check of the data the user provided, and grants or denies access. If access is granted, the user gets a new, unrestricted dhcp lease, which provides him with a normal access to local network. So what are my options? You might find Netreg (http://netreg.sourceforge.net/) useful. My university uses it and it works quite well. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 5.4? anyone?
On Thu, Oct 15, 2009 at 7:45 AM, mbneto mbn...@gmail.com wrote: Hi, The last status (from twitter) is 2 days old with the '5.4 is baked! centos internal network will start syncing up today. Release ~ soon!'. Any ETA? - Regards. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos See http://lists.centos.org/pipermail/centos-mirror-announce/2009-October/01.html -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] xen guest system - install source
On Thu, Oct 8, 2009 at 8:22 AM, Pasi Kärkkäinen pa...@iki.fi wrote: On Thu, Oct 08, 2009 at 01:54:47PM +0300, Jussi Hirvi wrote: On Oct 8, 2009, at 7:19 AM, Jussi Hirvi wrote: I am installing my first xen system (CentOS 5.3). The host system seems to be ok. I am following this tutorial: http://www.howtoforge.com/installing-xen-on-centos-5.2-i386-p2 Now I try to use virt-install to install the first guest system, but I cannot find a working install source. I have tried at least these: http://ftp.funet.fi/pub/mirrors/centos.org/5.3/isos/i386/ http://ftp.funet.fi/pub/mirrors/centos.org/5.3/isos/i386/CentOS-5.3-i386-netinstall.iso Always I get Could not find an installable distribution. What should I use as path? On 8.10.2009 13:28, Giovanni P. Tirloni wrote: It's not looking for ISOs. Try this: http://ftp.funet.fi/pub/mirrors/centos.org/5.3/os/i386/ -Giovanni Thanks, that seems to work. (Funny, I thought I had tried that already.) Now I get another odd error, though (though maybe temporary): ValueError: Invalid URL location given: http://ftp.funet.fi/pub/mirrors/centos.org/5.3/os/i386/images/xen/vmlinuz [Errno 14] HTTP Error 503: Service Temporarily Unavailable ...though I can start downloading that file manually in the browser quite ok. Anyway, I will try that path again another time, let's see. Try using ftp:// instead. I think funet is using some fancy http error pages that confuse anaconda. -- Pasi ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos You want to use something like this for virt-install: http://mirror.clarkson.edu/centos/5.3/os/i386/ or http://mirror.clarkson.edu/centos/5.3/os/x86_64/ Matt ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] xen guest system - install source - NOT
On Thu, Oct 8, 2009 at 10:21 AM, Marcelo M. Garcia marcelo.maia.gar...@googlemail.com wrote: Hm, not so simple. Now I got the installation (with program virt-install) to begin, but then I would see a dialog screen asking for ftp server, and path containing OS for my architecture. I gave for example the following two values: ftp.funet.fi pub/mirrors/centos.org/5.3/os/i386 (the latter with and without slashes at beginning and end), but always I get the same dialog screen back after a couple of minutes of blank screen. No error messages. So I am baffled again. Has someone been here before? Hi I was trying to install using virt-manager whit FTP to point to the files (mounted with loop) in the field Install Media URL, but it was always failing with the message was not finding the installation files. For me works only if I extract the files from the iso image and access using NFS. The FTP works fine if I use inside the kickstart. Regards mg. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos It needs to look similar to the following. +-+ HTTP Setup +--+ | | | Please enter the following information: | | | | o the name or IP number of your Web server | | o the directory on that server containing | | CentOS for your architecture | | | | Web site name:mirror.clarkson.edu_| | CentOS directory: /centos/5/os/i386/__| | | | ++ +--+ | | | OK | | Back | | | ++ +--+ | | | | | +-+ -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] [offtopic] idea status.net
On Thu, Oct 8, 2009 at 1:59 PM, Dave tdbtdb+cen...@gmail.comtdbtdb%2bcen...@gmail.com wrote: This idea might make sense to me if I knew what status.net was about. I went to their page I I still do not know. Dave ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos StatusNet is basically an open source version of Twitter that you can deploy and run on a local system. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS-docs] Contribution to wiki: nagios incompatibility with centos 5.2
On Wed, Sep 16, 2009 at 12:50 PM, Christoph Maser c...@financial.com wrote: Am Mittwoch, den 16.09.2009, 15:19 +0200 schrieb Ralph Angenendt: On Wed, Sep 16, 2009 at 9:13 AM, Martin Boel, Silverbullet b...@silverbullet.dk wrote: Hi username: MartinBoel Please grant me access. Done. I hope you incorporate The things Christoph Maser has mentioned and don't just add the one line from your first mail (which will break, when the box is relabeled). Ralph Btw. i really consider the current nagios article on the wiki bad. Its totally outdated and covers way to much info how to configure nagios itself. In my opinion this should be simply replaced by links to the official documentation since it is out of place and incomplete. Chris financial.com AG Munich head office/Hauptsitz München: Maria-Probst-Str. 19 | 80939 München | Germany Frankfurt branch office/Niederlassung Frankfurt: Messeturm | Friedrich-Ebert-Anlage 49 | 60327 Frankfurt | Germany Management board/Vorstand: Dr. Steffen Boehnert (CEO/Vorsitzender) | Dr. Alexis Eisenhofer | Dr. Yann Samson | Matthias Wiederwach Supervisory board/Aufsichtsrat: Dr. Dr. Ernst zur Linden (chairman/Vorsitzender) Register court/Handelsregister: Munich – HRB 128 972 | Sales tax ID number/St.Nr.: DE205 370 553 ___ CentOS-docs mailing list CentOS-docs@centos.org http://lists.centos.org/mailman/listinfo/centos-docs It might be simpler to just have a tutorial that uses the package that is available from rpmforge. I have already written such a tutorial and it receives several hundred hits each month. Its also the second result in Google if you search for install nagios centos. Just a thought. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS-docs mailing list CentOS-docs@centos.org http://lists.centos.org/mailman/listinfo/centos-docs
Re: [CentOS-docs] Contribution to wiki: nagios incompatibility with centos 5.2
On Wed, Sep 16, 2009 at 1:58 PM, Christoph Maser c...@financial.com wrote: Am Mittwoch, den 16.09.2009, 19:34 +0200 schrieb Mathew S. McCarrell: It might be simpler to just have a tutorial that uses the package that is available from rpmforge. I have already written such a tutorial and it receives several hundred hits each month. Its also the second result in Google if you search for install nagios centos. Just a thought. Matt This one? http://docs.cslabs.clarkson.edu/wiki/Install_Nagios_on_CentOS_5 This is what i really think it should like! Yes, that is the one. ___ CentOS-docs mailing list CentOS-docs@centos.org http://lists.centos.org/mailman/listinfo/centos-docs
Re: [CentOS] Install CentOS on Partition(!)-images as a Xen-guest
On Tue, Sep 15, 2009 at 1:23 PM, Bernhard Gschaider bgschaid_li...@ice-sf.at wrote: Hi! Some weeks ago the Running Xen-book was recommended to me on this list. A nice book, but it gave me crazy idea: One of the recommendations (which sounds very reasonable to me) was to have instead of a single file that serves as a disk-image to have to files: one of them (which is mounted to hda1) serves as a partition that holds the data, the other one (which mounts to hda2) is the swap partition. The text in the books (admittedly it's a bit vague there) lead me to the conclusion that to the Xen-machine they will look like two partitions of a single drive hda. The advantage should be that it is much easier to extend the data partition (Take the machine offline. Extend the image with dd. Extend the filesystem on the image) I created the two files as described in book. Formatted them with mkswap and mkfs.ext3 (as described in the book) and added them to the configuration file for the host. Now when I start the installation of the host machine right in the beginning I get a message /dev/hda1 has a loop partition layout. To use this disk for the installation of CentOS it must be initialized. When I don't allow formatting I get caught in a loop (Is a loop partition. Initialize?), when I allow formatting I get a partition on each of the devices (hda11 and hda21) and I would be allowed to go on with the installation, but IMHO this would defeat the purpose of the exercise So my question: - is there some error in thinking on my side? - is this a situation that the installer can't deal with? (in other words: would it work if I copied a complete installation into the root partition-image and then booted that?) - or is there a reason that using partition images is not very popular (Googling around did not reveal anything useful) Bernhard ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos Bernhard, I'm actually probably the one that recommended the book to you. I hope your enjoying it so far. As for your issue, I forwarded this to a friend of mine that is one of the authors of the book. He's interested in trying to fully understand what you're trying to achieve. He is wondering if you would mind sending an email to cont...@runningxen.com with your issue and the specific page(s) that you are referencing. He also wanted me to make you aware of the Running Xen readers mailing list, which you can find more information about at http://runningxen.com/ . You can also find several other resources for the book on the site as well. Feel free to keep me in the loop as well. I might have some advice to offer once I fully understand everything. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] DNS Server Recommendations
You could get really simple if your a small shop and just use dnsmasq. Although, I'm not sure it meets all of your needs. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 On Thu, Aug 20, 2009 at 2:39 PM, Hugh E Cruickshank h...@forsoft.comwrote: From: Hugh E Cruickshank Sent: August 14, 2009 14:18 I am looking for some possible recommendations on the handling of our internal DNS services. First some background... I would like to express my appreciation to all those that responded to my request (particularly Robert). I do not have solution yet but I do have a lot of information to review and digest. Thanks again to all. Regards, Hugh -- Hugh E Cruickshank, Forward Software, www.forward-software.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] virt-manager crashes Host during installation of guest
I definitely think if your new to Xen and are use to doing normal CD installs, then virt-install is the easiest way to go. Also, you could consider using prebuilt images that are already made depending on your needs. These can be found on stacklet.com. Hope that helps, Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 On Thu, Aug 20, 2009 at 2:31 PM, Kai Schaetzl mailli...@conactive.comwrote: Ian Murray wrote on Thu, 20 Aug 2009 14:21:33 + (GMT): Actual, virt-install commmand line looks no less daunting to me. What is daunting about virt-install -p? I don't know if that is possible under virt-install. Everything is possible, it depends on how deep you want to dig into it. This guy just wants to get his first Xen VM up for some testing (I suppose). There is no need to follow lengthy explanations and fail in the end if there is a simple command available. I think tap:aio is more favoured than file, for performance reasons. This is general belief. I suggest doing some tests. After that you may think different. ;-) Also, there have been various problems with tap:aio devices in the various Xen incarnations over time that weren't present in file. You want to use LVM or remote storage for real world usage, anyway, but that wasn't the task outlined by the OP. Kai -- Kai Schätzl, Berlin, Germany Get your web at Conactive Internet Services: http://www.conactive.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] virt-manager crashes Host during installation of guest
virt-install can be interactive if you supply a few necessary options first. I've put a sample of what I normally do below. [r...@dom0 ~]$ /usr/sbin/virt-install -p --nonsparse -b xenbr0 What is the name of your virtual machine? VM NAME HERE How much RAM should be allocated (in megabytes)? 256 What would you like to use as the disk (path)? /xen/images/VM NAME HERE.disk How large would you like the disk (/xen/images/VM NAME HERE) to be (in gigabytes)? 5 Would you like to enable graphics support? (yes or no) no What is the install location? http://mirror.clarkson.edu/centos/5.3/os/x86_64/ Also, if your willing to spend a few bucks, the Running Xen book is a great source of information for anything relating to Xen (and I'm not saying that just because I'm friends with several of the authors). Also, you might find the following slides useful. http://cosi.clarkson.edu/docs/installingxen/ -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 On Thu, Aug 20, 2009 at 10:09 PM, Ian Murray murra...@yahoo.co.uk wrote: - Original Message From: Kai Schaetzl mailli...@conactive.com To: centos@centos.org Sent: Thursday, 20 August, 2009 19:31:21 Subject: Re: [CentOS] virt-manager crashes Host during installation of guest Ian Murray wrote on Thu, 20 Aug 2009 14:21:33 + (GMT): Actual, virt-install commmand line looks no less daunting to me. What is daunting about virt-install -p? [r...@xen ~]# virt-install -p ERRORA name is required for the virtual machine. [r...@xen ~]# virt-install -p -n newdom ERRORMemory amount is required for the virtual machine. [r...@xen ~]# virt-install -p -n newdom -r 256 ERRORA disk must be specified (use --nodisks to override) So it goes on... I suppose once you plough through all the options and save the whole command somewhere, then it is trivial to create new ones, but I got the impression that it was interactive for any missing options. Perhaps for the benefit of the OP, perhaps you could give a complete known working example. I don't know if that is possible under virt-install. Everything is possible, it depends on how deep you want to dig into it. This guy just wants to get his first Xen VM up for some testing (I suppose). There is no need to follow lengthy explanations and fail in the end if there is a simple command available. I think tap:aio is more favoured than file, for performance reasons. This is general belief. I suggest doing some tests. After that you may think different. ;-) Also, there have been various problems with tap:aio devices in the various Xen incarnations over time that weren't present in file. Well, if you have done such tests, please do share... especially on the xen-users list, as there are far more competent Xen-ers to discuss your findings than me. You want to use LVM or remote storage for real world usage, anyway, but that wasn't the task outlined by the OP. File based domains initially seemed the simplest way for me, but after a while I concluded they were a but of a pain actually, so indeed I do stick with LVs. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Strange XEN on CentOS HWaddr Address Issue
Brett, I think the following link answers your question about the MAC changes. You may find more useful links on the resources page of the Running Xen site http://runningxen.com/resources/. http://lists.xensource.com/archives/html/xen-users/2006-02/msg00030.html If you performed a fresh install without Xen, you would notice that it has not permanently modified the MAC address of your system. Hope that helps. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 1-518-314-9214 On Tue, Aug 4, 2009 at 1:30 PM, Brett Serkez bser...@gmail.com wrote: Maybe because you are looking at the bridge's mac and not the ethernet's which would be peth0. No I am not. dmesg shows the kernel messages at boot and it is looking at the physical device, let's not get distracted, the issue is clear in this regard. As I previously stated, this happens even when uninstalling XEN and booting off the non-XEN kernel since the install of XEN. indeed, AFAIK all hardware adapters start with 00. This must have been set in the BIOS or with a boot option or in the network config. This was helpful, gave me places/incentive to continue looking. In /etc/sysconfig/network-scripts/ifcfg-eth1 I found: # Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet DEVICE=eth1 BOOTPROTO=none HWADDR=00:40:F4:CE:E6:7B So now I know what the original MAC address was. Here is where it gets interesting. The following file was modified at the date/time that the XEN kernel was first booted: /etc/sysconfig/hwconf and it has fe:ff:ff:ff:ff:ff for BOTH network adapters: desc: Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet networfe:ffddr: fe:ff:ff:ff:ff:ff vendorId: 10ec deviceId: 8169 subVendorId: 10ec subDeviceId: 8169 pciType: 10 desc: Intel Corporation 82562EZ 10/100 Ethernet Controller network.hwaddr: fe:ff:ff:ff:ff:ff vendorId: 8086 deviceId: 1050 subVendorId: 8086 subDeviceId: 303a Everything I'm finding is re-enforcing my original theory that XEN modified the hwaddr of this NIC. The question continues to be what caused this and how to change it back. Given this is a stock system, I have to believe others must have/may run into this issue. Brett ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] no more single cd installs?
I've had no issues doing just base installs of CentOS 5.3 with only disk 1. I would try again and double check that you only have base checked. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu On Tue, Jul 7, 2009 at 10:56 PM, Robert Heller hel...@deepsoft.com wrote: At Tue, 07 Jul 2009 22:15:55 -0400 CentOS mailing list centos@centos.org wrote: for some reason cent 5 now wants cd 3 as well as 1. I make sure to uncheck everything and instlal only the base system. Bad iso or new default? The only way you are going to get a one-disk media install is to use the DVD. Sincerely, William Warren ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos -- Robert Heller -- 978-544-6933 Deepwoods Software-- Download the Model Railroad System http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows hel...@deepsoft.com -- http://www.deepsoft.com/ModelRailroadSystem/ ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Partitionning for future.
Yaovi, Make sure that you never put /boot on LVM because your machine will not boot. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu On Mon, Jun 29, 2009 at 3:50 AM, Yaovi Atohoun yaov...@yahoo.fr wrote: Thanks. I didn't put / and /boot in the Volume Group. Is it ok? Yaovi --- En date de : *Dim 28.6..09, David Goldsmith dgoldsm...@sans.org* a écrit : De: David Goldsmith dgoldsm...@sans.org Objet: Re: [CentOS] Partitionning for future. À: CentOS mailing list centos@centos.org Date: Dimanche 28 Juin 2009, 17h38 -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Yaovi Atohoun wrote: Hi all, I have a disk of 146Gb in a machine intended to have mainly mysql database, apache and some web data. I didn't use LVM for / and /boot during the installtion Could I extend easily in the future the /var partition when I add another disk? FilesystemSize Used Avail Use% Mounted on /dev/cciss/c0d0p6 23G 432M 22G 2% / /dev/mapper/VolGroup00-LogVol00 5.0G 139M 4.7G 3% /home /dev/mapper/VolGroup00-LogVol03 98G 275M 93G 1% /var /dev/mapper/VolGroup00-LogVol02 5.0G 2.9G 1.9G 61% /usr /dev/cciss/c0d0p1 99M 19M 75M 20% /boot tmpfs 470M 0 470M 0% /dev/shm I would like to have your comments before I continue installin MySQL and others. Thanks Yaovi Yes, add a new disk to the system, then run commands such as: pvcreate /dev/whatever device it is vgextend VolGroup00 /dev/whatever device it is lvextend (either -l +## to add extents or -L +## to add size) /dev/VolGroup00/LogVol03 resize2fs /dev/VolGroup00/LogVol03 - -- David Goldsmith -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkpHjogACgkQ417vU8/9QfkM9QCeIAcvH5Bgkwgv96D50rmAXVbt MOkAn0MFj0F5SixH/Lnsu63j1X4Dr7JX =8vaY -END PGP SIGNATURE- ___ CentOS mailing list CentOS@centos.org http://mc/compose?to=cen...@centos.org http://lists.centos.org/mailman/listinfo/centoshttp://lists..centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS Repos
This is probably a good place to start. http://wiki.centos.org/AdditionalResources/Repositories -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu On Thu, Jun 25, 2009 at 8:29 AM, fmb fmb fee...@googlemail.com wrote: Hi, Where can I get a list of all the available repos with some info about each? thnx, ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Use 8GB RAM on Pentium D?
Neil, I maintain a Dell PowerEdge 850 which has a Pentium D, exactly 8 GB of RAM, and runs CentOS x86_64. It should work fine as long as your motherboard supports that much RAM. Hope that helps. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu On Wed, Jun 24, 2009 at 9:21 PM, Neil Aggarwal n...@jammconsulting.comwrote: Hello: I have a Supermicro SuperServer 5015P-TR. It has a Pentium D and is running CentOS x86_64. Can this machine use 8GB RAM? I think it should because it is running a 64 bit OS, but I am concerned because it is fundamentally 32 bit hardware. Anyone have any experience in this area? Thanks, Neil -- Neil Aggarwal, (832)245-7314, www.JAMMConsulting.com Eliminate junk email and reclaim your inbox. Visit http://www.spammilter.com for details. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Question about dd (fill a hard disks' unused space with blanks)
In my previous experience, zeroing the disk will result in smaller files for G4U but it will take awhile depending on many factors including the size of the disk, performance, etc.. Also, I recommend giving Clonezilla (http://clonezilla.org/) a try. It offers more options than G4U and is more efficient in my experience. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu On Sun, Jun 7, 2009 at 12:34 PM, Rainer Duffner rai...@ultra-secure.dewrote: Am 07.06.2009 um 18:22 schrieb Niki Kovacs: Hi, I'm currently experimenting with G4U (Ghost for Unix), a small cloning application sending disk images to an FTP server. The application reads the whole disk bit by bit, compresses it and then stores it remotely. Due to this approach, it's more or less filesystem-independent. The drawback is that it sometimes results in huge image files. Now I'm currently following a hint which suggests to fill the disks' unused space with zero bits. Here's the command for that: # dd if=/dev/zero of=/0bits bs=20M # rm /0bits This will create a file that fills up the root-partition. If you have multiple partitions beyond that, it's not of much use. Ideally, the zero'ing of the disk should take place before the OS is installed, via a boot-cd and using dd with the disk-device itself All this made some sense when disks didn't come in sizes of 250GB upwards... If you get 20MB/s from your dd(1), it would take 1000 seconds to fill 20 GB... Rainer ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Random server reboot after update to CentOS 5.3
Nope, all of my adapters are Intel. 0f:00.0 Ethernet controller: Intel Corporation 80003ES2LAN Gigabit Ethernet Controller (Copper) (rev 01) 0f:00.1 Ethernet controller: Intel Corporation 80003ES2LAN Gigabit Ethernet Controller (Copper) (rev 01) 20:04.0 Ethernet controller: Intel Corporation 82541PI Gigabit Ethernet Controller (rev 05) Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu On Fri, May 22, 2009 at 1:20 PM, Peter Hopfgartner peter.hopfgart...@r3-gis.com wrote: The guys on the Dell PowerEdge ML seem to be attracted by the idea that it is a driver problem of the network adapter. In this case, lspci gives me: 09:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet (rev 12) Does this match your adapter? Regards, Peter Mathew S. McCarrell wrote: Actually, I've also been experience this issue on a two identical custom built systems running 5.3 x64 with Xen. I experienced the issue under the same kernel that Peter is running and the first kernel released with 5.3. In my particular instance, I'm attributing these random crashes to hardware problems since I'm only experiencing the issues on these two systems and not an older Dell PowerEdge 850 which is set up with the same software configuration. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mailto:mccar...@gmail.com mccar...@clarkson.edu mailto:mccar...@clarkson.edu On Fri, May 22, 2009 at 10:26 AM, Michael A. Peters mpet...@mac.com mailto:mpet...@mac.com wrote: JohnS wrote: My sejustion is unplug everything hooked to it but the power and network cabling. Open it up while it is running, and shake the cables lightly ( don't jerk on them). External disk array, unplug it also. USB floppies and cd drives unplug emmm all. Is it under a heavy load? High cpu usage? Some times when there is a power supply on the verge of dying you don't really know until disk I/O climbs real high thus pulling loads of wattage. That's my guess. I'd swap out the power supply. My personal experience with ram issues is either kernel panic or filesystem funnyness (sometimes resulting in filesystems being remounted read only). My experience with disk I/O issues is that forcing fsck reveals filesystem errors with high frequency. Rebooting machines in my experience is almost always a failing power supply (or faulty power source - check your UPS, when they start to go bad they can cause issues). If it was a kernel issue, I suspect more people would be experiencing (unless it is caused by a third party kmod) ___ CentOS mailing list CentOS@centos.org mailto:CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos -- Dott. Peter Hopfgartner R3 GIS Srl - GmbH Via Johann Kravogl-Str. 2 I-39012 Meran/Merano (BZ) Email: peter.hopfgart...@r3-gis.com Tel. : +39 0473 494949 Fax : +39 0473 069902 www : http://www.r3-gis.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Local yum mirror and repomd.xml
Hey, So, I'm having a minor issue. Today, I configured one of our CentOS systems to use our local mirror (mirror.clarkson.edu) for its repositories. After doing this, I ran a yum update and received the following warning in the output along with the updates available: Not using downloaded repomd.xml because it is older than what we have: Current : Thu May 7 14:41:57 2009 Downloaded: Tue Apr 28 05:04:32 2009 In order to get rid of this error, I ran yum clean all and then yum update again. This results in the warning no longer being present but also results in yum telling me there are no packages marked for update. Any thoughts on why this is occuring? I've posted my mirror configuration at the bottom of the page. Thanks, Matt === Mirror Configuration (CentOS-Base.repo) === # CentOS-Base.repo # # This file uses a new mirrorlist system developed by Lance Davis for CentOS. # The mirror system uses the connecting IP address of the client and the # update status of each mirror to pick mirrors that are updated to and # geographically close to the client. You should use this for CentOS updates # unless you are manually picking other mirrors. # # If the mirrorlist= does not work for you, as a fall back you can try the # remarked out baseurl= line instead. # # [base] name=CentOS-$releasever - Base #mirrorlist= http://mirrorlist.centos.org/?release=$releaseverarch=$basearchrepo=os baseurl=http://mirror.clarkson.edu/centos/$releasever/os/$basearch/ gpgcheck=1 protect=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #released updates [updates] name=CentOS-$releasever - Updates #mirrorlist= http://mirrorlist.centos.org/?release=$releaseverarch=$basearchrepo=updates baseurl=http://mirror.clarkson.edu/centos/$releasever/updates/$basearch/ gpgcheck=1 protect=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #packages used/produced in the build but not released [addons] name=CentOS-$releasever - Addons #mirrorlist= http://mirrorlist.centos.org/?release=$releaseverarch=$basearchrepo=addons baseurl=http://mirror.clarkson.edu/centos/$releasever/addons/$basearch/ gpgcheck=1 protect=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #additional packages that may be useful [extras] name=CentOS-$releasever - Extras #mirrorlist= http://mirrorlist.centos.org/?release=$releaseverarch=$basearchrepo=extras baseurl=http://mirror.clarkson.edu/centos/$releasever/extras/$basearch/ gpgcheck=1 protect=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #additional packages that extend functionality of existing packages [centosplus] name=CentOS-$releasever - Plus #mirrorlist= http://mirrorlist.centos.org/?release=$releaseverarch=$basearchrepo=centosplus baseurl=http://mirror.clarkson.edu/centos/$releasever/centosplus/$basearch/ gpgcheck=1 enabled=0 protect=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #contrib - packages by Centos Users [contrib] name=CentOS-$releasever - Contrib #mirrorlist= http://mirrorlist.centos.org/?release=$releaseverarch=$basearchrepo=contrib baseurl=http://mirror.clarkson.edu/centos/$releasever/contrib/$basearch/ gpgcheck=1 enabled=0 protect=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Local yum mirror and repomd.xml
Wow, I thought I checked that. My mistake. Thanks Nate. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu On Thu, May 7, 2009 at 6:36 PM, nate cen...@linuxpowered.net wrote: Mathew S. McCarrell wrote: Any thoughts on why this is occuring? I've posted my mirror configuration at the bottom of the page. mirror appears to be out of date.. compare file dates from: http://mirror.clarkson.edu/centos/5/updates/i386/repodata/ to http://mirrors.kernel.org/centos/5/updates/i386/repodata/ nate ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS-virt] Machine freeze
So, I guess this wasn't just a hardware issue. I actually had another system crash. This only appears to happen when I'm issuing xm commands over and over. Any thoughts? Thanks, Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu On Thu, Apr 30, 2009 at 6:27 PM, Mathew S. McCarrell mccar...@gmail.comwrote: I've discovered what the issue is. The machine is rebooting when a sector error occurs on one of the drives that is part of a software RAID where the VMs are currently being stored. Thanks for the help though. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu On Thu, Apr 30, 2009 at 3:19 PM, Ljubomir Ljubojevic off...@plcomputers.net wrote: Karanbir, can you please, in short, explain to me current status of 64-bit CentOS compared to i386? Is it's maturity same as of i386? I started to actively use CentOS when 4.2 was last version. My decision to use i386-only was based on issues with some (or many?) drivers like madwifi for AR5007, it's unavailability for older PC's, my impression in that time was that it was not stable enough, and the main thing was since I decided to create my own mirror of main and third party repositories for internal use, I went with i386. What is actual gain in using X86_64? Performance in %? Main advantages beside performance? The real question is, does it pay off to spend 20-30 GB of HDD space for X86_64 if i386 does the job nicely? Just a sentence or two would be most appreciated. Karanbir Singh wrote: Mathew S. McCarrell wrote: Well, I'm actually not using a PAExen kernel but I don't believe that I need to be since I'm running the 64-bit version of CentOS. Am I mistaken in that assumption? Matthew, you are right. Also, the idea of running a PAE kernel on CentOS is non relevant ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt
Re: [CentOS-virt] Machine freeze
I've discovered what the issue is. The machine is rebooting when a sector error occurs on one of the drives that is part of a software RAID where the VMs are currently being stored. Thanks for the help though. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu On Thu, Apr 30, 2009 at 3:19 PM, Ljubomir Ljubojevic off...@plcomputers.net wrote: Karanbir, can you please, in short, explain to me current status of 64-bit CentOS compared to i386? Is it's maturity same as of i386? I started to actively use CentOS when 4.2 was last version. My decision to use i386-only was based on issues with some (or many?) drivers like madwifi for AR5007, it's unavailability for older PC's, my impression in that time was that it was not stable enough, and the main thing was since I decided to create my own mirror of main and third party repositories for internal use, I went with i386. What is actual gain in using X86_64? Performance in %? Main advantages beside performance? The real question is, does it pay off to spend 20-30 GB of HDD space for X86_64 if i386 does the job nicely? Just a sentence or two would be most appreciated. Karanbir Singh wrote: Mathew S. McCarrell wrote: Well, I'm actually not using a PAExen kernel but I don't believe that I need to be since I'm running the 64-bit version of CentOS. Am I mistaken in that assumption? Matthew, you are right. Also, the idea of running a PAE kernel on CentOS is non relevant ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt
Re: [CentOS-virt] Machine freeze
Hey, I'm wondering if it is possible that your problem is related to mine. Earlier today I had to restart one of our domUs on one of our systems. I used xm shutdown instead of xm destroy and then did xm list to determine if the domU had shutdown or not. Upon issuing xm list a second time, the entire server crashed and rebooted. I've checked the logs and have yet to find anything. I've attached a transcript of the commands as I executed them on the server. The system is running CentOS 5.3 x64 w/Xen (kernel 2.6.18-128.1.6.el5xen). Any thoughts? Thanks, Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 2009/4/7 Maros Timko tim...@gmail.com Hi all, thanks to all for valuable replies. It seems like we identified the issue. We assured that it is not HW related as it was already reproduced on different machines and platforms, with different BIOS versions. We are running a system performance/statistics collector that executes xentop command on Dom0 regularly. This is causing issues. If we execute: xentop -b -d 0.1 /dev/null in multiple instances, it will freeze the system. It was reproduced on CentOS 5.3 (kernel-xen-2.6.18-128.1.6.el5) system. There is created a bug for this issue: http://bugs.centos.org/view.php?id=3454 With regards, Tino 2009/4/3 Maros TIMKO ti...@pobox.sk Hi all, we are running CentOS 5.2 Xen virtualization system with the latest CentOS packages with couple of VMs on DELL PowerEdge. Sometimes the whole machine freezes without anything in log files, anything on the console. Sometimes really means we cannot define why or when. Sometimes the machine was idle with just one VM, sometimes quite busy with couple of VMs. Has anybody had the same experience? If yes, any hints on how to resolve it or how to trace the cause? Thanks. ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt [mccar...@isengard ~]$ ssh xen1 ___ __ _ ___ / \ \ / -_) _ \/ / /_\_\\__/_//_/_/ Last login: Mon Apr 27 11:26:22 2009 from isengard.cslabs.clarkson.edu [mccar...@xen1 ~]$ sudo xm list We trust you have received the usual lecture from the local System Administrator. It usually boils down to these three things: #1) Respect the privacy of others. #2) Think before you type. #3) With great power comes great responsibility. Password: Sorry, try again. Password: Name ID Mem(MiB) VCPUs State Time(s) Domain-0 0 9899 8 r- 12458.2 atp 11 255 1 -b 72748.8 auth 1 127 1 -b121.7 autoguilt 2 255 1 -b523.2 dukr 3 255 1 -b770.4 list 5 255 1 -b191.4 management 6 255 1 -b517.4 osp1 7 255 1 -b 70.4 osp2 8 255 1 -b 68.8 tremulous 9 255 1 -b 397287.4 [mccar...@xen1 ~]$ xm console atp ERROR Internal error: Could not obtain handle on privileged command interface (13 = Permission denied) Error: Most commands need root access. Please try again as root. [mccar...@xen1 ~]$ sudo xm console atp Out of Memory: Kill process 2626 (TreeLimitedRun) score 96585 and children. Out of memory: Killed process 2627 (spectrum). Out of Memory: Kill process 2694 (TreeLimitedRun) score 96565 and children. Out of memory: Killed process 2695 (spectrum). Out of Memory: Kill process 2914 (TreeLimitedRun) score 96210 and children. Out of memory: Killed process 2915 (spectrum). Out of Memory: Kill process 3014 (TreeLimitedRun) score 96153 and children. Out of memory: Killed process 3015 (spectrum). Out of Memory: Kill process 3018 (TreeLimitedRun) score 96177 and children. Out of memory: Killed process 3019 (spectrum). Out of Memory: Kill process 4466 (spectrum) score 189626 and children. Out of memory: Killed process 4466 (spectrum). Out of Memory: Kill process 6324 (TreeLimitedRun) score 96129 and children. Out of memory: Killed process 6325 (spectrum). Out of Memory: Kill process 10680 (TreeLimitedRun) score 96147 and children. Out of memory: Killed process 10681 (spectrum). Out of Memory: Kill process 10800 (TreeLimitedRun) score 96167 and children. Out of memory: Killed process 10801 (spectrum). Out of Memory: Kill process 10852 (TreeLimitedRun) score 96159 and children. Out of memory: Killed process 10853 (spectrum
Re: [CentOS-virt] Machine freeze
Yeah, the Dom0 should have plenty of memory left since only 2-3 GB of memory is being used out of 12 GB installed. The out of memory messages were from the domU that I xm consoled into prior to shutting down that particular VM because it was out of memory. Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu On Wed, Apr 29, 2009 at 3:09 PM, Maros Timko tim...@gmail.com wrote: Hi Mathew, I would say no. Our system has freezed completely, it did not reboot. Our issue was caused by concurrent access to scheduler method that created a deadlock.I can see some out of memory messages, do you still have enough memory for Dom0? 2009/4/29 Mathew S. McCarrell mccar...@gmail.com Hey, I'm wondering if it is possible that your problem is related to mine. Earlier today I had to restart one of our domUs on one of our systems. I used xm shutdown instead of xm destroy and then did xm list to determine if the domU had shutdown or not. Upon issuing xm list a second time, the entire server crashed and rebooted. I've checked the logs and have yet to find anything. I've attached a transcript of the commands as I executed them on the server. The system is running CentOS 5.3 x64 w/Xen (kernel 2.6.18-128.1.6.el5xen). Any thoughts? Thanks, Matt -- Mathew S. McCarrell Clarkson University '10 mccar...@gmail.com mccar...@clarkson.edu 2009/4/7 Maros Timko tim...@gmail.com Hi all, thanks to all for valuable replies. It seems like we identified the issue. We assured that it is not HW related as it was already reproduced on different machines and platforms, with different BIOS versions. We are running a system performance/statistics collector that executes xentop command on Dom0 regularly. This is causing issues. If we execute: xentop -b -d 0.1 /dev/null in multiple instances, it will freeze the system. It was reproduced on CentOS 5.3 (kernel-xen-2.6.18-128.1.6.el5) system. There is created a bug for this issue: http://bugs.centos.org/view.php?id=3454 With regards, Tino 2009/4/3 Maros TIMKO ti...@pobox.sk Hi all, we are running CentOS 5.2 Xen virtualization system with the latest CentOS packages with couple of VMs on DELL PowerEdge. Sometimes the whole machine freezes without anything in log files, anything on the console. Sometimes really means we cannot define why or when. Sometimes the machine was idle with just one VM, sometimes quite busy with couple of VMs. Has anybody had the same experience? If yes, any hints on how to resolve it or how to trace the cause? Thanks. ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt
