Re: [CentOS] No live migration for xen virtual machines any more

On Sun, Sep 12, 2010 at 10:58:29AM +0200, Dirk H. Schulz wrote: > Hi folks, > > I have upgraded my CentOS RHCS cluster hosts to the recent packages, and > now live migration of the xen virtual machines does not work any more: > > [r...@node ~]# clusvcadm -M vm:XenVM -m othernode > Trying to mi

Re: [CentOS] is Intel VT-d "really" necessary?

On Wed, Sep 15, 2010 at 11:19:38AM +0200, Rudi Ahlers wrote: > Hi all, > > I'm just curios and would like some input from the community on this > one. We're busy budgeting for a couple of new servers and I thought it > would be good to try out the Core i7 CPU's, but see the majority of > them don'

Re: [CentOS] No live migration for xen virtual machines any more

On Tue, Sep 21, 2010 at 09:56:39AM -0500, Brian Cremeans wrote: >Hello, >I have the exact same problem after an update, and it does not work using >the xm command. >Thanks for any help you can offer. > Read the following logs on dom0: - "xm log" - dmesg - /var/log/messages After

Re: [CentOS] sata AHCI controllers (real and virtual)

On Sun, Oct 03, 2010 at 08:53:17PM -0600, drew einhorn wrote: > I saw something somewhere about AHCI support requiring kernel 2.6.19 or later. > But the current CentOS/RHEL stable kernels are 2.6.18 > RHEL/CentOS 2.6.18 kernel is very far from kernel.org/upstream 2.6.18. RHEL/CentOS 2.6.18 kernel

Re: [CentOS] Xen3.3 rpm for 32Bit?

On Sat, Oct 09, 2010 at 02:15:30PM +0200, Dirk H. Schulz wrote: > Hi folks, > > I would like to test Xen3.3 on CentOS 5.5 on an older machine which is > not 64bit capable. > > Since this is just a "first impression" test I do not want to fuzz with > compiling the kernels and tools myself (tha

Re: [CentOS] best practices in using shared storage for XEN Virtual Machines and auto-failover?

On Thu, Oct 14, 2010 at 01:25:01PM +0200, Rudi Ahlers wrote: > Hi all, > > Can anyone pleas tell me what would be best practice to use shared > storage with virtual machines, especially when it involved high > availability / automated failover between 2 XEN servers? > > i.e. if I setup 2x identic

Re: [CentOS] FYI: Red Hat Enterprise Linux 6 Release Candidate Available to Partners

On Mon, Oct 18, 2010 at 06:44:34PM +0300, Deyan Stoykov wrote: > Timo Schoeler wrote: > > > > There's progress... > > > > http://press.redhat.com/2010/10/18/red-hat-enterprise-linux-6-release-candidate-available-to-partners/ > > > > Cheers, > > > > Timo > > Available to partners? Aren't RH obl

Re: [CentOS] Xen3.3 rpm for 32Bit?

On Tue, Oct 19, 2010 at 06:06:58PM +0200, Dirk wrote: > Am 15.10.10 22:59, schrieb Pasi Kärkkäinen: >> On Sat, Oct 09, 2010 at 02:15:30PM +0200, Dirk H. Schulz wrote: >>>Hi folks, >>> >>> I would like to test Xen3.3 on CentOS 5.5 on an older ma

Re: [CentOS] RHEL 6 Officially Released

On Thu, Nov 11, 2010 at 09:36:35PM +0600, Sergey Podushkin wrote: > Robert Moskowitz wrote: > > Also which Fedora version was the basis for this? > Version of anaconda is tightly linked to Fedora version, so it's based > on Fedora 13, because it use anaconda-13. > RHEL6 Anaconda was forked from F

Re: [CentOS] upgrading Centos-Xen when version 6 comes along

On Tue, Nov 16, 2010 at 10:39:38AM +, Karanbir Singh wrote: > On 11/16/2010 01:03 AM, Digimer wrote: > > Once the bugs have been ironed out, I suspect that CentOS support will > > follow soon after. There will be experimental kernels before then, but I > > would not recommend them outside of te

Re: [CentOS] CENTOS 5 (X86 32 bits) only support 16 Gb RAM???

On Tue, Nov 16, 2010 at 04:14:01PM -0600, Barry Brimer wrote: > Quoting James Bensley : > > > Eh? How can you have 16GBs on a 32bit kernel? > > You can have up to 64GB using PAE > . > Yeah, but in reality you can't run 6

[CentOS] [HOWTO] Running Xen 4.0 host (dom0) with Redhat Enterprise Linux 6 (RHEL6)

Hello, If you're interested in running Xen 4.0 hypervisor/dom0 on RHEL6, take a look at here: http://wiki.xen.org/xenwiki/RHEL6Xen4Tutorial It explains steps needed to rebuild Xen 4.0.1 src.rpm from Fedora on RHEL6, and how to fetch dom0 capable 2.6.32.x kernel from upstream git repository. It a

Re: [CentOS] CENTOS 5.5 X86 continue get "out of memory" error?????

On Wed, Nov 24, 2010 at 07:39:05PM -0500, Robert Heller wrote: > At Thu, 25 Nov 2010 08:23:10 +0800 (CST) CentOS mailing list > wrote: > > > > > Thnak you for answer. > > > > We can NOT use X86_64 due to application NOT support 64 bits. > > You can run 32-bit applications with a 64-bit kernel

Re: [CentOS] Any chance to get a working, current openldap srpm/rpm for centos 5.5

On Mon, Nov 29, 2010 at 03:07:49PM +0100, Götz Reinicke - IT-Koordinator wrote: > Am 29.11.10 13:43, schrieb Eero Volotinen: > > 2010/11/29 Götz Reinicke - IT-Koordinator : > >> Hello, > >> > >> is there anyone out there, who has a current 2.4.23 srpm or good how to > >> compile it from src with su

Re: [CentOS] Antwort: MegaRAID SAS 9280-24i4e -- Centos support.

On Tue, Dec 14, 2010 at 03:44:19PM +0100, Timo Schoeler wrote: > thus Lisandro Grullon spake: > > Thank u timo, > > I will test this further when I get home. I have been having nightmares > > getting this card working from an OS iso, it appears that the card is very > > new and the drivers have n

Re: [CentOS] centos6 filesystem size limit

On Sun, Jan 02, 2011 at 04:49:44PM -0500, Joshua Baker-LePain wrote: > On Sun, 2 Jan 2011 at 1:45pm, Robert Arkiletian wrote > > > I just read the rhel6 filesystem size limit. > > > > http://www.redhat.com/rhel/compare/ > > > > It says 16TB limit for ext4 (same as ext3)?!?! I thought ext4 was > >

Re: [CentOS] Xen; xm usb-add syntax - or - where is xm usb-attach

On Mon, Jan 17, 2011 at 04:46:49PM -0800, aurfal...@gmail.com wrote: > Hi all, > > I'm running Centos 5.5 with Xen 4.0.1 > > Would like to use a USB key (not a block device) in my domU. > > Dom0 lsusb yields; > > Bus 002 Device 004: ID 064f:0bd8 ABC-Systems AB CDE/FG > > xm usb-add shows; > >

Re: [CentOS] Xen; xm usb-add syntax - or - where is xm usb-attach

On Thu, Jan 20, 2011 at 10:53:15AM -0800, aurfal...@gmail.com wrote: > On Jan 18, 2011, at 5:40 AM, Pasi Kärkkäinen wrote: > > > On Mon, Jan 17, 2011 at 04:46:49PM -0800, aurfal...@gmail.com wrote: > >> Hi all, > >> > >> I'm running Centos 5.5 with Xen

Re: [CentOS] Xen; xm usb-add syntax - or - where is xm usb-attach

On Sat, Jan 22, 2011 at 04:20:28PM +0200, Pasi Kärkkäinen wrote: > On Thu, Jan 20, 2011 at 10:53:15AM -0800, aurfal...@gmail.com wrote: > > On Jan 18, 2011, at 5:40 AM, Pasi Kärkkäinen wrote: > > > > > On Mon, Jan 17, 2011 at 04:46:49PM -0800, aurfal...@gmail.

Re: [CentOS] Amazon EC2 - building a minimal centOS ebs bootable image

On Sat, Jan 29, 2011 at 12:53:45AM -0800, John R Pierce wrote: > On 01/29/11 12:36 AM, Sanjay Arora wrote: > > Hello > > > > Looking to build CentOS based micro EC2 instance bootable from Amazon > > EBS. Want that the image be minimal, so that I can add only the rpms I > > want. > > > > Despite loo

Re: [CentOS] Any update on 5.6 / 6?

On Wed, Feb 16, 2011 at 07:15:32AM -0600, Johnny Hughes wrote: > > Red Hat still has not put several of the sources in their public tree > either. > So CentOS6 cannot be released, or even built completely before those missing src.rpms are released? > > CentOS releases our source on exactly th

Re: [CentOS] Xen stack scheme

On Fri, Mar 04, 2011 at 11:11:52AM +0200, Jussi Hirvi wrote: > On 4.3.2011 10.52, Simon Matter wrote: > > I don't know if it's recommended that way but at least it works fine. > > Hm, that is kind of the only important thing. :-) > > If it is not recommended, there have to be better reasons for t

Re: [CentOS] Migrating standalone systems to xen guests

On Fri, Mar 04, 2011 at 10:31:18AM +0200, Jussi Hirvi wrote: > Is there any (easy?) way to migrate running standalone CentOS 4 or 5 > systems to xen virtual stacks? > > Rebuilding those systems from scratch on the xen machine would take > plenty of work. > If you're talking about Xen PV domUs,

Re: [CentOS] Xen stack scheme

On Fri, Mar 04, 2011 at 11:37:08AM +0200, Pasi Kärkkäinen wrote: > On Fri, Mar 04, 2011 at 11:11:52AM +0200, Jussi Hirvi wrote: > > On 4.3.2011 10.52, Simon Matter wrote: > > > I don't know if it's recommended that way but at least it works fine. > > > >

Re: [CentOS] Centos 6 - What are you looking forward to?

On Fri, Mar 04, 2011 at 03:33:10PM -0500, Kwan Lowe wrote: > On Fri, Mar 4, 2011 at 3:11 PM, John R Pierce wrote: > > > IBM Power servers since the Power4+ CPU (they are up to Power7 now) have > > hardware partitioning support, commonly known as LPAR.  LPAR can be > > divided in units of 1/10th o

Re: [CentOS] Virtualization platform choice

On Sun, Mar 27, 2011 at 09:41:04AM -0400, Steve Thompson wrote: > > The slightly longer story... > > First. With Xen I was never able to start more than 30 guests at one time > with any success; the 31st guest always failed to boot or crashed during > booting, no matter which guest I chose as t

Re: [CentOS] Virtualization platform choice

On Mon, Mar 28, 2011 at 08:59:09AM -0400, Steve Thompson wrote: > On Mon, 28 Mar 2011, Pasi Kärkkäinen wrote: > >> On Sun, Mar 27, 2011 at 09:41:04AM -0400, Steve Thompson wrote: >>> First. With Xen I was never able to start more than 30 guests at one time >>> wi

Re: [CentOS] 40TB File System Recommendations

On Tue, Apr 12, 2011 at 10:36:39AM -0400, John Jasen wrote: > On 04/12/2011 10:21 AM, Boris Epstein wrote: > > On Tue, Apr 12, 2011 at 3:36 AM, Alain Péan > > > > wrote: > > > > I would chime in with a dis-commendation for XFS. At my previous > employer,

Re: [CentOS] 40TB File System Recommendations

On Wed, Apr 13, 2011 at 07:18:23PM -0400, John Jasen wrote: > On 04/12/2011 11:30 AM, Les Mikesell wrote: > > On 4/12/2011 9:36 AM, John Jasen wrote: > >> > >> > >> > >> I would chime in with a dis-commendation for XFS. At my previous > >> employer, two cases involving XFS resulted in irrecoverabl

[CentOS] Cacti rpm for el5.6 with php53

Hello, Does someone know if there's a cacti rpm available that works (=installs and doesn't conflict) when "php53" rpm is installed, instead of the older "php" rpm ? cacti rpms from rpmforge/dag have these requirements: php php-mysql php-snmp So those cacti versions conflict with "php53". I che

Re: [CentOS] Cacti rpm for el5.6 with php53

On Tue, Apr 26, 2011 at 04:34:53PM +0200, Ljubomir Ljubojevic wrote: > Pasi Kärkkäinen wrote: > > Hello, > > > > Does someone know if there's a cacti rpm available > > that works (=installs and doesn't conflict) when "php53" rpm > > is instal

Re: [CentOS] Cacti rpm for el5.6 with php53

On Tue, Apr 26, 2011 at 01:09:36PM -0400, Denniston, Todd A CIV NAVSURFWARCENDIV Crane wrote: > > -Original Message- > > From: On Behalf Of Pasi Kärkkäinen > > Sent: Tuesday, April 26, 2011 11:13 > > > > On Tue, Apr 26, 2011 at 04:34:53PM +0200, Ljubomi

Re: [CentOS] Curious fdisk report on large disk

On Wed, Apr 27, 2011 at 10:18:28AM -0500, Robert Nichols wrote: > On 04/27/2011 07:26 AM, Timothy Murphy wrote: > > James Pearson wrote: > > > >>> Is there a safe way of recovering the partition table? > >>> I have a vague idea that copies are kept at various places on the disk? > >> > >> AFAIK, th

Re: [CentOS] Xen Install manager won't let me install anything.

On Thu, May 05, 2011 at 12:45:41AM -0400, Martes G Wigglesworth wrote: > > Greetings all. > > I am attempting to install dom-u guests on a vanilla install of Centos > 5.6. I am attempting to use the Xen Manager and it 1) won't let me > choose ANYTHING but network install, which is quite odd to

Re: [CentOS] Xen Install manager won't let me install anything.

On Thu, May 05, 2011 at 04:53:22PM -0400, Martes G Wigglesworth wrote: > > On 05/05/2011 09:09 AM, Pasi Kärkkäinen wrote: > > It sounds like your hardware does not have HVM support, > > which means you can only run PV VMs. > Thanks for the reply. > > You are correct

Re: [CentOS] CentOS 6 system-config-network missing

On Mon, Jul 11, 2011 at 06:26:00PM -0400, b.j. mcclure wrote: > On Mon, 2011-07-11 at 14:35 -0700, Emmett Culley wrote: > > The network configuration GUI is not to be found on any of the CentOS repos > > or on EPEL. I am not interested in having NetworkManager installed on a > > server. Is ther

Re: [CentOS] really large file systems with centos

On Wed, Jul 13, 2011 at 11:32:14PM -0700, John R Pierce wrote: > I've been asked for ideas on building a rather large archival storage > system for inhouse use, on the order of 100-400TB. Probably using CentOS > 6.The existing system this would replace is using Solaris 10 and > ZFS, but I wa

Re: [CentOS] really large file systems with centos

On Thu, Jul 14, 2011 at 04:53:11PM +0300, Pasi Kärkkäinen wrote: > On Wed, Jul 13, 2011 at 11:32:14PM -0700, John R Pierce wrote: > > I've been asked for ideas on building a rather large archival storage > > system for inhouse use, on the order of 100-400TB. Probably using C

Re: [CentOS] fs for > 16 TiB partition

On Wed, May 06, 2009 at 11:27:27AM +0200, Bent Terp wrote: > On Wed, May 6, 2009 at 10:48 AM, Adrian Sevcenco > wrote: > > Hi, > > What would you recommend as an FS for an partition greater than 16 TiB? > > This is for an production server (that is, no ext4 recommendations > > please :) ) > > What

Re: [CentOS] Preventing hour-long fsck on ext3-filesystem

On Thu, May 14, 2009 at 06:23:05PM +0200, Bernhard Gschaider wrote: > > Thank you all for your quick answers (you guys must have started > typing BEFORE I hit the Send-button). > > The general consensus seems to be "If you can start anew: use > XFS". This leaves one question: as the XFS is not in

Re: [CentOS] Preventing hour-long fsck on ext3-filesystem

On Thu, May 14, 2009 at 02:03:32PM -0700, Scott Silva wrote: > on 5-14-2009 1:24 PM Pasi ??? spake the following: > > On Thu, May 14, 2009 at 06:23:05PM +0200, Bernhard Gschaider wrote: > >> Thank you all for your quick answers (you guys must have started > >> typing BEFORE I hit the Send-button).

Re: [CentOS] p800 and HP

On Fri, Aug 21, 2009 at 07:40:24PM +0200, Rainer Duffner wrote: > > Am 21.08.2009 um 19:08 schrieb Peter Kjellstrom: > > > On Friday 21 August 2009, Joseph L. Casale wrote: > >>> We have a few (p800). My opinion is that they're acceptable but > >>> not fast. > >> > >> Heard this a few times now

Re: [CentOS] p800 and HP / Sun Solaris hdd led blinking

On Sat, Aug 22, 2009 at 02:04:58PM +0200, Rainer Duffner wrote: > > Am 22.08.2009 um 12:37 schrieb Pasi Kärkkäinen: > > > >Uhm.. Solaris/zfs can't really light-up the failure lights on Sun's > >own > >hardware? > > > Of course it can - on

Re: [CentOS] virt-manager crashes Host during installation of guest

On Mon, Aug 24, 2009 at 06:04:06PM +0200, Bernhard Gschaider wrote: > > > On Thu, 20 Aug 2009 01:47:07 +0200 > > "BG" == Bernhard Gschaider wrote: > > BG> Thanks to everyone who took the time to answer in this thread. > > BG> I'm just writing this message to give this thread som

[CentOS] RHEL 5.4 released / CentOS 5.4 schedule

Hello, It looks like RHEL 5.4 has been released: http://rhn.redhat.com/errata/RHSA-2009-1243.html https://rhn.redhat.com/errata/rhel-server-errata.html And before you ask: CentOS 5.4 will be released in 2-4 weeks or so, when it's ready :) -- Pasi ___

Re: [CentOS] RHEL 5.4 released / CentOS 5.4 schedule

On Wed, Sep 02, 2009 at 01:16:31PM +0300, Pasi Kärkkäinen wrote: > Hello, > > It looks like RHEL 5.4 has been released: > > http://rhn.redhat.com/errata/RHSA-2009-1243.html > https://rhn.redhat.com/errata/rhel-server-errata.html > http://www.redhat.com/docs/en-US/Red_Hat

[CentOS] [rhelv5-list] Red Hat Enterprise Linux 5.4 GA Announcement

- Forwarded message from rhelv5-l...@redhat.com - From: rhelv5-l...@redhat.com To: rhelv5-l...@redhat.com Date: Wed, 02 Sep 2009 10:17:35 -0500 Subject: [rhelv5-list] Red Hat Enterprise Linux 5.4 GA Announcement Red Hat is pleased to announce the availability of the latest update to Red H

Re: [CentOS] EXT4 status for centos 5.3

On Wed, Sep 02, 2009 at 02:45:28PM -0400, mbneto wrote: > Hi, > > I was wondering what is the current status fro ext4 support in Centos. I've > noticed that is marked as dev when I try to use it from the installer. > > Does anybody have a scary story to prevent using it? RHEL 5.4 was just relea

Re: [CentOS] SQL Server 2005 and CentOS?

On Tue, Sep 08, 2009 at 10:22:56AM -0700, John R Pierce wrote: > Rob Kampen wrote: > > One of my clients use a software product that is "upgrading" and will > > shortly utilize micro$oft SQL server 2005. > > Currently the clients are XP on older machines with the database > > residing on a Samba

Re: [CentOS] SQL Server 2005 and CentOS?

On Tue, Sep 08, 2009 at 02:04:35PM -0400, Ross Walker wrote: > On Tue, Sep 8, 2009 at 1:57 PM, Pasi Kärkkäinen wrote: > > On Tue, Sep 08, 2009 at 10:22:56AM -0700, John R Pierce wrote: > >> Rob Kampen wrote: > >> > One of my clients use a software produc

Re: [CentOS] install xen-3.4.1 in centos 5.3

On Fri, Sep 11, 2009 at 03:10:36AM -0700, Aclhk Aclhk wrote: > do anyone know the xen version in centos 5.4 (redhat 5.4)? > > if they support 3.2 or above, i will wait. > Xen hypervisor in RHEL 5.4 is 3.1.2 + a lot of patches from Redhat (backports from newer Xen versions). You can check the Xe

Re: [CentOS] xen guest system - install source

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-o

Re: [CentOS] disk I/O problems and Solutions

On Fri, Oct 09, 2009 at 12:45:14PM -0400, Alan McKay wrote: > Hey folks, > > CentOS / PostgreSQL shop over here. > > I'm hitting 3 of my favorite lists with this, so here's hoping that > the BCC trick is the right way to do it :-) > > We've just discovered thanks to a new Munin plugin > http://b

Re: [CentOS] xen guest system - install source - NOT

; 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)

Re: [CentOS] Dell Equallogic

On Mon, Oct 12, 2009 at 06:44:55PM -0700, James A. Peltier wrote: > On Mon, 12 Oct 2009, Eugene Vilensky wrote: > > > Hi List, > > > > Does anyone here use Dell Equallogic IP SAN? If so, do you have any > > immediate high points / low points you wouldn't mind discussing on- or > > off-list ? > >

Re: [CentOS] Dell Equallogic

On Mon, Oct 12, 2009 at 07:04:21PM -0500, Eugene Vilensky wrote: > Hi List, > > Does anyone here use Dell Equallogic IP SAN? If so, do you have any > immediate high points / low points you wouldn't mind discussing on- or > off-list ? > Yep, I've been using Equallogic iSCSI arrays with Linux/RHE

Re: [CentOS] Dell Equallogic

On Wed, Oct 14, 2009 at 10:36:01AM -0700, James A. Peltier wrote: > On Tue, 13 Oct 2009, Pasi Kärkkäinen wrote: > > > > >Hmm.. what kind of problems do you have with snapshots? > > Let's see > > They take up 16MB of space regardless of the amount of data th

Re: [CentOS] Dell Equallogic

On Wed, Oct 14, 2009 at 12:39:54PM -0500, Eugene Vilensky wrote: > On Wed, Oct 14, 2009 at 12:36 PM, James A. Peltier > wrote: > > They take up 16MB  of space regardless of the amount of data that changes. A > > single bit changes and 16MB is taken up.  This is not tunable. > > I know they run L

Re: [CentOS] Dell Equallogic

On Wed, Oct 14, 2009 at 10:52:19AM -0700, nate wrote: > James A. Peltier wrote: > > > Mounting a snapshot requires the generation of a new UUID for the file > > system in order to be able to use it. Perhaps this is a XFS limitation, > > but unlike ZFS they aren't immediately available. We need t

Re: [CentOS] Dell Equallogic

On Wed, Oct 14, 2009 at 08:55:16PM +0200, rai...@ultra-secure.de wrote: > > nate wrote: > > if you have a SAN that supports logical volumes that have snapshot and > > grow and such, I'm not sure why you'd bother with LVM on top of that, it > > would just further obfuscate things. > > > And how do

Re: [CentOS] Question about aspell, alpine and a Xen guest

On Fri, Nov 06, 2009 at 08:39:06AM -0500, Scot P. Floess wrote: > I have some weird behavior I can't explain... I've noticed this behavior > since CentOS 5.2 (version I started running) through 5.4... > > I am running a Xen host/VM. On my guest VM, I use Alpine as my email > client and Aspell

Re: [CentOS] Question about aspell, alpine and a Xen guest

On Mon, Nov 09, 2009 at 09:11:05AM -0500, Scot P. Floess wrote: > > Answers inline below... > > > On Fri, Nov 06, 2009 at 08:39:06AM -0500, Scot P. Floess wrote: > >> I have some weird behavior I can't explain... I've noticed this behavior > >> since CentOS 5.2 (version I started running) throug

Re: [CentOS] Question about aspell, alpine and a Xen guest

On Mon, Nov 09, 2009 at 11:28:14AM -0500, Scot P. Floess wrote: > > Even more interesting - I just created a local user specific to the VM... > aspell works just fine... > > I'm wondering if this is an NFS/NIS related thing... Very wierd indeed... > try "strace alpine" to see what it's using.

Re: [CentOS] Question about aspell, alpine and a Xen guest

On Mon, Nov 09, 2009 at 11:53:49AM -0500, Scot P. Floess wrote: > > OK, I feel like a complete idiot... > > I was not running nfslock... I started it, and the problem went away. > The user (me being the user) had an NFS mounted home directory... > > No idea why this worked under Fedora 9 - I m

Re: [CentOS] Xen pci passthru problems with kernel -164.6.1

On Tue, Nov 10, 2009 at 10:01:32AM -0200, Miguel Di Ciurcio Filho wrote: > Hi there, > > After updating a server from CentOS 5.3 to 5.4 my Xen pci-passthru setup > has some troubles. > > The server has two NICs, one used by dom0 and the other assigned to a > domU and one SCSI controler assigned

Re: [CentOS] CentOS 5.4 x86_64 only detects 32GB RAM while Fedora x86_64 correctly lists 128GB

On Mon, Dec 07, 2009 at 01:05:04PM +0100, Diederick Stoffers wrote: >Hi, >We have a new 24-core Dell PowerEdge R905 server with 128GB's RAM. The 64 >bits version of Fedora 12 lists the correct amount of 128GB, CentOS only >finds 32GB (and so does Scientific Linux). I would much pref

Re: [CentOS] XFS and LVM2 (possibly in the scenario of snapshots)

On Fri, Dec 11, 2009 at 12:10:59AM +0800, Chan Chung Hang Christopher wrote: > Mathieu Baudier wrote: > >> LVM like md raid and drbd is a layered block device and > >> If you turn the wire caches off on the HDs then there is no problem, > >> but HDs aren't designed to perform to spec with the write

Re: [CentOS] Is ext4 safe for a production server?

On Fri, Dec 11, 2009 at 09:20:24AM +0800, Christopher Chan wrote: > Mark Caudill wrote: > > Christopher Chan wrote: > >> Morten Torstensen wrote: > >>> On 08.12.2009 13:34, Chan Chung Hang Christopher wrote: > > Speaking for me (on Linux systems) on top of LVM on top of md. On IRIX > > as i

Re: [CentOS] Optimizing CentOS for gigabit firewall

On Fri, Dec 18, 2009 at 09:36:57PM +0200, sadas sadas wrote: >I will explain more deeply. I need to deploy a firewall(s) in front of web >server farm because I need to do billing - I will use CentOS with iptables >+ ipset to store a list if my clients so when client doesn't pay his >

Re: [CentOS] Optimizing CentOS for gigabit firewall

On Sun, Dec 20, 2009 at 09:58:19AM -0800, nate wrote: > RedShift wrote: > > > Have you got some figures to back that up? Everybody's saying OpenBSD's pf > > performance is superior, yet nobody has posted some proof. > > Not sure myself, keep in mind that there are (at least) two different > ways

Re: [CentOS] Optimizing CentOS for gigabit firewall

On Mon, Dec 21, 2009 at 10:17:48AM +0100, Timo Schoeler wrote: > thus Pasi Kärkkäinen spake: > > On Fri, Dec 18, 2009 at 09:36:57PM +0200, sadas sadas wrote: > >>I will explain more deeply. I need to deploy a firewall(s) in front of > >> web > >>serv

Re: [CentOS] Optimizing CentOS for gigabit firewall

On Mon, Dec 21, 2009 at 12:04:32PM +0200, sadas sadas wrote: > >>Some months ago there was discussions about 10 gbit performance with >>Linux. Some guys were pushing over 70 Gbit/sec through a single linux >>box. > >70 Gbit/sec ? Maybe with port >aggravation it's possible.

Re: [CentOS] 8-15 TB storage: any recommendations?

On Fri, Jan 08, 2010 at 12:33:39PM +0100, Rainer Duffner wrote: > Karanbir Singh schrieb: > > On 01/08/2010 01:58 AM, Christopher Chan wrote: > > > >>> the thumpers make for decent backup or vtl type roles, not so much for > >>> online high density storage. > >>> > >> I wonder how much th

Re: [CentOS] 8-15 TB storage: any recommendations?

On Mon, Jan 11, 2010 at 03:00:41PM +0200, Pasi Kärkkäinen wrote: > On Fri, Jan 08, 2010 at 12:33:39PM +0100, Rainer Duffner wrote: > > Karanbir Singh schrieb: > > > On 01/08/2010 01:58 AM, Christopher Chan wrote: > > > > > >>> the thumpers make for de

Re: [CentOS] looking for kernel-xen- 2.6.18-164.el5

On Mon, Jan 11, 2010 at 08:12:33PM +0200, Rudi Ahlers wrote: > On Mon, Jan 11, 2010 at 7:07 PM, Robert Heller wrote: > > At Mon, 11 Jan 2010 18:01:24 +0100 CentOS mailing list > > wrote: > > > >> > >> Rudi Ahlers wrote on Mon, 11 Jan 2010 17:17:14 +0200: > >> > >> > and don't want to > >> > down

Re: [CentOS] 8-15 TB storage: any recommendations?

On Tue, Jan 12, 2010 at 09:41:19AM +, Karanbir Singh wrote: > On 12/01/10 00:02, Christopher Chan wrote: > >> problems mostly centered around management and performance issues. the > >> world is littered with stores of cciss fail > > Really? Man, I have been given this spanking new HP DL370 G6

Re: [CentOS] 8-15 TB storage: any recommendations?

On Wed, Jan 13, 2010 at 01:05:39AM +0100, Peter Kjellstrom wrote: > On Tuesday 12 January 2010, Les Mikesell wrote: > > On 1/12/2010 10:39 AM, Peter Kjellstrom wrote: > ... > > >>> ...that said, it's not much worse than the competetion, storage simply > > >>> sucks ;-( > > >> > > >> So you are sayi

Re: [CentOS] 8-15 TB storage: any recommendations?

On Wed, Jan 13, 2010 at 11:43:35AM +0100, Peter Kjellstrom wrote: > On Wednesday 13 January 2010, Pasi Kärkkäinen wrote: > > On Wed, Jan 13, 2010 at 01:05:39AM +0100, Peter Kjellstrom wrote: > > > On Tuesday 12 January 2010, Les Mikesell wrote: > > > > On 1/12/2010 10

Re: [CentOS] 10 Gbit iSCSI

On Wed, Jan 13, 2010 at 03:32:05PM -0800, nate wrote: > Les Mikesell wrote: > > > Are there good 10Gb cards/drivers for the linux side? > > My NAS vendor has deployed many systems with Chelsio 10GbE cards > in the field, say they are good. > > http://www.chelsio.com/products_10g_adapters.html >

Re: [CentOS] 10 GBASE-T

On Wed, Jan 13, 2010 at 02:31:09PM -0800, nate wrote: > > 10GbE is really cheap these days(cheaper than 1GbE in some cases > on a per Gb basis) if you need faster performance, and simple > to configure, I wrote a blog on this a couple of months ago: > > http://www.techopsguys.com/2009/11/17/affor

Re: [CentOS] 10 GBASE-T

On Thu, Jan 14, 2010 at 10:08:55AM +0200, Pasi Kärkkäinen wrote: > On Wed, Jan 13, 2010 at 02:31:09PM -0800, nate wrote: > > > > 10GbE is really cheap these days(cheaper than 1GbE in some cases > > on a per Gb basis) if you need faster performance, and simple > > to c

Re: [CentOS] 10 GBASE-T

On Thu, Jan 14, 2010 at 10:30:23AM +0200, Pasi Kärkkäinen wrote: > On Thu, Jan 14, 2010 at 10:08:55AM +0200, Pasi Kärkkäinen wrote: > > On Wed, Jan 13, 2010 at 02:31:09PM -0800, nate wrote: > > > > > > 10GbE is really cheap these days(cheaper than 1GbE in some cases

Re: [CentOS] 10 GBASE-T

On Thu, Jan 14, 2010 at 06:52:01AM -0800, nate wrote: > Pasi Kärkkäinen wrote: > > > 10GBase-T: > > - latency 2.6 us > > - power per port: 4-6W/port > > With the right gear this is much lower, only 1 switch on the market > that is this good though the o

Re: [CentOS] 10 GBASE-T

On Thu, Jan 14, 2010 at 06:49:07AM -0800, nate wrote: > Pasi Kärkkäinen wrote: > > > Have you paid attention to this? How big is the difference nowadays? > > Or I wonder if it was just on some specific product.. > > Depends on the product, my blog mentions a new product

Re: [CentOS] 8-15 TB storage: any recommendations?

On Thu, Jan 14, 2010 at 08:07:43PM +, Karanbir Singh wrote: > On 01/12/2010 10:43 AM, John Doe wrote: > > On the other hand, here, we have around 30 HP servers. > > Some DL360/380/180 G5/G6 with CentOS 4/5 and, > > in 2 years, only 3 drives failed... That's it; no other problems... > > Drives

Re: [CentOS] 8-15 TB storage: any recommendations?

On Thu, Jan 14, 2010 at 08:14:52PM +, Karanbir Singh wrote: > On 01/12/2010 03:51 PM, nate wrote: > > I've used HP/cciss on a couple hundred systems over the past 7 years, > > can only recall 2 issues, both around a drive failing the controller > > didn't force the drive off line, and there was

Re: [CentOS] 8-15 TB storage: any recommendations?

On Fri, Jan 15, 2010 at 11:02:51AM +0100, Peter Kjellstrom wrote: > On Thursday 14 January 2010, Pasi Kärkkäinen wrote: > > On Thu, Jan 14, 2010 at 08:14:52PM +, Karanbir Singh wrote: > ... > > > Maybe its just bad luck here :) > > > > I remember a story abou

Re: [CentOS] How to force iscsi to see the new LUN size

On Fri, Jan 15, 2010 at 05:34:47PM -0800, Peter Blajev wrote: > Hi, > > I increased the size of one of the LUNs and on CentOS 5.4 if I restart > iscsi (`service iscsi restart`) I'll see the the new size but this will > disconnect all other LUNs. > > I'm hoping that there is isciadm or some othe

Re: [CentOS] How to force iscsi to see the new LUN size

On Tue, Jan 19, 2010 at 02:53:18PM -0800, Peter Blajev wrote: > Pasi Kärkkäinen wrote: > > On Fri, Jan 15, 2010 at 05:34:47PM -0800, Peter Blajev wrote: > >> Hi, > >> > >> I increased the size of one of the LUNs and on CentOS 5.4 if I restart > >> isc

Re: [CentOS] cryptoloop

On Thu, Jan 21, 2010 at 09:41:37AM +0100, Morten Sundstrøm wrote: > Hi. > > Have a problem that i need som help with: > 1. Have multipple raids working in a encrypted filesystem in CentOS 5.4 > (i386): script file, crypt.sh > > modprobe cryptoloop > cryptoloop is depracated, and should not be u

Re: [CentOS] Question about running a CentOS4.8 (32-bit) guest under CentOS5.4xen (64-bit)

On Fri, Jan 22, 2010 at 04:37:30PM -0500, Robert Heller wrote: > I am trying to run my old CentOS4.8 (32-bit) system as a guest system > under CentOS5.4xen (64-bit). I followed the instructions in Appendix A > of the xen user manual (/usr/share/doc/xen-3.0.3/pdf/user.pdf) and > created a 'disk ima

Re: [CentOS] Full Virtualized DomU won't boot

On Wed, Jan 27, 2010 at 07:21:54PM -0300, Sergio Belkin wrote: > Hi, I use Centos 5.4 x86_64 > > kernel used is 2.6.18-164.11.1.el5xen > > I have a physical machine running Debian Etch (32 bit) and Debian > Lenny and I virtualized the first one as follows: > > *Created a HVM DomU with Virt-Manag

Re: [CentOS] Virtualization - what do You recommend?

On Wed, Feb 03, 2010 at 10:14:50AM +0800, Christopher Chan wrote: > On Wednesday, February 03, 2010 12:43 AM, John R Pierce wrote: > > Rafa? Radecki wrote: > >> Hi All. > >> > >> I plan to use virtualization in my production environment. I plan to > >> use one of the following options: > >> - KVM;

Re: [CentOS] Changing size of a xen guest filesystem

On Wed, Feb 03, 2010 at 12:26:13PM +0200, Jussi Hirvi wrote: > It should be easy, but I have not yet found a solution. Only some > methods involving use of dd, but that sounds a little scary to me on a > production server. > > I wish there would be a command "virt-resize", but no... Maybe > "vi

Re: [CentOS] Changing size of a xen guest filesystem

On Thu, Feb 04, 2010 at 12:52:43PM +0200, Jussi Hirvi wrote: > On 3.2.2010 19:54, Pasi Kärkkäinen wrote: > > On Wed, Feb 03, 2010 at 12:26:13PM +0200, Jussi Hirvi wrote: > >> It should be easy, but I have not yet found a solution. Only some > >> methods involving u

Re: [CentOS] Best way to backup virtual machines from Citrix XenServer.

On Mon, Feb 08, 2010 at 12:07:30PM -0800, nate wrote: > Simon Billis wrote: > > > Good quality storage (which usually comes at a price) will provide the > > functionality that is needed to backup the VM's either as a complete VM > > image or files from the VM filesystem. Entry level storage from s

Re: [CentOS] xentop batch mode

On Tue, Feb 09, 2010 at 04:06:37AM +0200, Nux wrote: > Hi guys, > First of all, sorry to send this one here on the centos ml. I know it's kind > of off-topic, but the xen-users list seems a dead end, I was hoping some of > you guys are experienced in this. > > I have a problem with a xen 3.4.2 o

Re: [CentOS] centos6 xen

On Thu, Jul 28, 2011 at 09:01:04AM +0200, Juergen Gotteswinter wrote: > hi, > > is there any chance to see a xen kernel + xen in centosplus probably? or > is any recommend 3rd party repo available yet which provides this? > This wiki page has some repo-links (and other related info): http://wik

Re: [CentOS] No debuginfo for Centos 6?

On Fri, Jul 29, 2011 at 08:07:38PM +0200, Dennis Jacobfeuerborn wrote: > Hi, > I'm trying to use oprofile to debug a problem with idle virtual machines > eating 10% cpu but apparently the debuginfo packages for Centos 6 do not > exist and so I cannot get any useful information from the kernel. >

Re: [CentOS] No debuginfo for Centos 6?

On Sat, Jul 30, 2011 at 01:03:23PM +0200, Dennis Jacobfeuerborn wrote: > On 07/30/2011 06:37 AM, Pasi Kärkkäinen wrote: > > On Fri, Jul 29, 2011 at 08:07:38PM +0200, Dennis Jacobfeuerborn wrote: > >> Hi, > >> I'm trying to use oprofile to debug a problem with idle

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