[CentOS] python problem

2020-08-09 Thread Chuck Campbell
throttled but I get this output: Error: Problem: conflicting requests - nothing provides python3-configparser needed by throttled0.7-1.x86_64 I have no guess what to do about this. Thanks, -chuck -- ACCEL Services, Inc.| Specialists in Gravity, Magnetics | (713)993-0671 ph

[CentOS] python problem while trying to fix a separate issue

2020-08-09 Thread Chuck Campbell
throttled but I get this output: Error: Problem: conflicting requests - nothing provides python3-configparser needed by throttled0.7-1.x86_64 I have no guess what to do about this. Thanks, -chuck -- campb...@accelinc.com | President & Senior Geoscientist | "In

[CentOS] erroneous cpu thermal throttling / actually a python3 question

2020-08-09 Thread Chuck Campbell
I have a small, aircooled pc server, which is running fine, but the log gets filled with a series of messages saying the package, and each of 8 cpus is throttled because of thermal issues. Then, within the same second according to the timestamps, it reports everything is OK and throttling is of

Re: [CentOS] virtualbox

2020-07-23 Thread Chuck Campbell
On 7/23/2020 4:49 PM, Chuck Campbell wrote: Has anyone gotten virtualbox to run on Centos8? I did the install, and it complained about missing elflibs, so I installed those, and the virtualbox install finished without any reported problems. when i try to run virtualbox, it fails with this

[CentOS] virtualbox

2020-07-23 Thread Chuck Campbell
Has anyone gotten virtualbox to run on Centos8? I did the install, and it complained about missing elflibs, so I installed those, and the virtualbox install finished without any reported problems. when i try to run virtualbox, it fails with this message: Qt FATAL: This application failed to s

[CentOS] firewall questions

2020-06-21 Thread Chuck Campbell
ail2ban logs from these ip blocks. How is it that the rich rules don't drop these packets before pam/ssh/fail2ban ever get to see them? There must be some precedence in the firewalling I don't understand. -chuck -- ACCEL Services, Inc.| Specialists in Gravity, Magnetics | (713)993-0

[CentOS] migrating from sendmail to postfix, centos 6 to centos 8

2020-06-03 Thread Chuck Campbell
t user gets all of the cron, fail2ban, etc emails, instead of delivering them to root on the local machine. Thanks, -chuck -- ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

[CentOS] ca-bundle questions

2018-09-11 Thread Chuck Campbell
not, and there is no file of the corresponding name in the direstory pointed to by the link. Shouldn't the rpm have "done the right thing", and put them where they belong? -chuck -- ___ CentOS mailing list CentOS@centos.org https

[CentOS] Fwd: Certificates

2018-09-02 Thread Chuck Campbell
Mobile email Begin forwarded message: > From: John Stanley > Date: September 2, 2018 at 1:20:05 PM CDT > To: campb...@accelinc.com > Subject: Re: [CentOS] Certificates > >> On Sat, 2018-09-01 at 13:03 -0500, Chuck Campbell wrote: >>> On 8/31/2018 2:14 PM, J

[CentOS] Certificates

2018-08-31 Thread Chuck Campbell
file to my phone and installing it, but it just says it is not trusted. This leads me to obtaining a real CA issued certificate. I'm not sure what to do with it, once I get one, and then if I need to subsequently regenerate my dovecot.pem

[CentOS] elrepo kmod-nvidia issue with update

2018-04-30 Thread Chuck Campbell
gest Is there a problem on my end or theirs? -chuck -- ACCEL Services, Inc.| Specialists in Gravity, Magnetics | (713)993-0671 ph. | and Integrated Interpretation | (713)993-0608 fax 448 W. 19th St. #325|Since 1992 | (713)306-5794 cell Ho

[CentOS] Named log question

2018-04-30 Thread Chuck Campbell
;: success: 1 Time(s) -chuck -- ACCEL Services, Inc.| Specialists in Gravity, Magnetics | (713)993-0671 ph. | and Integrated Interpretation | (713)993-0608 fax 448 W. 19th St. #325|Since 1992 | (713)306-5794 cell Houston, TX, 77008 |

Re: [CentOS] Postfix config problem w/ tls

2018-04-26 Thread Chuck Campbell
On 4/26/2018 5:14 PM, Chuck Campbell wrote: I have followed the guides on setting up postfix relay to my account at network solutions. I added these to main.cf: inet_interfaces = localhost relayhost = [mail.mydomain.com]:587 smtp_sasl_auth_enable = yes smtp_sasl_security_options

[CentOS] Postfix config problem w/ tls

2018-04-26 Thread Chuck Campbell
FROM command)) Why is tls not authenticating? Under centos 5 I used sendmail, and it all worked just fine. -chuck -- ACCEL Services, Inc.| Specialists in Gravity, Magnetics | (713)993-0671 ph. | and Integrated Interpretation | (713)993-0608 fax 448 W. 19th St. #325

[CentOS] upgrade reference docs

2016-10-10 Thread Chuck Campbell
Is there a Centos 6.x to Centos 7.x guide somewhere? What has changed, that I need to learn about as an admin, before I jump in and flounder? thanks, -chuck -- ACCEL Services, Inc.| Specialists in Gravity, Magnetics | (713)993-0671 ph. | and Integrated Interpretation

Re: [CentOS] Upcoming OwnCloud changes

2016-05-22 Thread Chuck Munro
standard CentOS SQLite). YMMV of course, especially if you're running other PHP applications! Chuck ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] rsyslog.conf

2015-07-29 Thread Chuck Campbell
everyone else is speaking mark ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos Add to the above that on every phone I've ever used, new texts appear below

Re: [CentOS] LVM hatred, was Re: /boot on a separate partition?

2015-06-24 Thread Chuck Campbell
have to do something I don't remember how to do regarding LVM, so I usually just don't bother with it at all. I believe it has some benefit for my use cases, but I've been reticent to use it, since the last time I got LVM problems, I

[CentOS] Native ZFS on Linux

2015-05-29 Thread Chuck Munro
WD Black and WD RedPro drives for RAID, and not had any issues. Green drives are scary :-) Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

[CentOS] firefox 38 question

2015-05-27 Thread Chuck Campbell
Is Firefox 38 still borked for Centos 5? It shows up as available for update, but I don't recall seeing anything saying the problems noted here have been fixed. thanks, -chuck -- ___ CentOS mailing list CentOS@centos.org http://lists.cento

Re: [CentOS] Turning off wifi in CentOS 7

2015-05-19 Thread Chuck Campbell
centos.org/mailman/listinfo/centos > We have licensed software, using flexlm, whifh chokes and pukes, unless it is able to communicate on eth0, so I have to jump through hoops to ensure the correct interface IS eth0. Until they fix this issue, I have no choice. -chuck -- ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Laptop for CentOS

2015-04-20 Thread Chuck Campbell
be ordered with Either RHEL 6.4 $$$, or Ubuntu LTS (no $$$) so if I > get > it I will go that route. Only question I still have is whether to go AMD > FirePro 5100 (standard) > or a Nvidia option. > > Any thoughts or experiences. > > Thanks again. &g

Re: [CentOS] Laptop for CentOS

2015-04-16 Thread Chuck Campbell
, but that was missing drivers for the wireless and sound (if I remember correctly). -chuck -- ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] install woes - SOLVED

2015-04-13 Thread Chuck Campbell
On 4/10/2015 3:32 PM, Eero Volotinen wrote: > try creating small /boot partition for kernel and then rest of disk for > lvm.. > > > -- > Eero > > 2015-04-10 22:01 GMT+03:00 : > >> Chuck Campbell wrote: >>> I'm really at a loss. >>> I had 5.

Re: [CentOS] install problem - SOLVED

2015-04-13 Thread Chuck Campbell
On 4/9/2015 6:12 PM, Chuck Campbell wrote: > On 4/9/2015 4:57 PM, John R Pierce wrote: >> On 4/9/2015 2:44 PM, Chuck Campbell wrote: >>> I don't think this made it to the list yesterday. At least I never >>> saw it show up. >> it showed up here.dunno wha

Re: [CentOS] 6.5 install dvd won't - SOLVED

2015-04-13 Thread Chuck Campbell
On 4/8/2015 3:24 PM, Chuck Campbell wrote: > When I boot a machine from disc 1 of 2, Centos 6.5 install dvd, I get to a > grub prompt. > > I have no idea what to do from there, but clearly something isn't right. > Shoudl I try to download centos 6 again and burn new discs?

[CentOS] disk order question

2015-04-11 Thread Chuck Campbell
fstab). Is there a way to make the install DVD see my target disk as /dev/sda and the 3ware disks as /dev/sdc and /dev/sdd? thanks, -chuck ANCHORFREE_VERSION="413161526"(function(){if(typeof(_AF2$runned)!='undefined'&&_AF2$runned==true){return}_AF2$={'SN

[CentOS] install problem

2015-04-08 Thread Chuck Campbell
m confused and don't know what to do next. thanks, -chuck -- ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

[CentOS] 6.5 install dvd won't

2015-04-08 Thread Chuck Campbell
When I boot a machine from disc 1 of 2, Centos 6.5 install dvd, I get to a grub prompt. I have no idea what to do from there, but clearly something isn't right. Shoudl I try to download centos 6 again and burn new discs? thanks, -chuck -- ___ C

Re: [CentOS] move a disk to another machine

2015-02-26 Thread Chuck Campbell
On 2/26/2015 12:33 PM, m.r...@5-cent.us wrote: > Chuck Campbell wrote: >> I have a centos 6.6 laptop which is having trouble (intermittent boot >> failures, or more rightly so, multiple failures, intermittent booting). > The laptop >> is running selinux. I pulled the sec

[CentOS] move a disk to another machine

2015-02-26 Thread Chuck Campbell
s the right way to do this? Meanwhile, I put it back into the laptop, and kept attempting to boot the machine, until I got lucky and it came up. I was able to rsync the data off the drive, so this isn't a crisis, just a learning moment. than

Re: [CentOS] dovecot move doesn't work: RESLOVED

2015-01-07 Thread Chuck Campbell
On 1/7/2015 4:01 PM, Peter wrote: > On 01/08/2015 05:39 AM, Chuck Campbell wrote: >> I tried this using yum install dovecot22, but I get a lot of these: >> file xxx from install of dovecot22-1:2.2.15-1.gf.el6.x86_64 conflicts with >> file >> from package dovecot-1:2.0

Re: [CentOS] dovecot move doesn't work

2015-01-07 Thread Chuck Campbell
On 1/7/2015 10:52 AM, Johnny Hughes wrote: > On 01/07/2015 10:39 AM, Chuck Campbell wrote: >> On 1/7/2015 9:46 AM, Chuck Campbell wrote: >>> On 1/7/2015 12:06 AM, Alexander Dalloz wrote: >>>> Am 06.01.2015 um 23:55 schrieb Chuck Campbell: >>>>> I&#x

Re: [CentOS] dovecot move doesn't work

2015-01-07 Thread Chuck Campbell
On 1/7/2015 9:46 AM, Chuck Campbell wrote: > On 1/7/2015 12:06 AM, Alexander Dalloz wrote: >> Am 06.01.2015 um 23:55 schrieb Chuck Campbell: >>> I'm running centos 6.6 with the default 2.0.9-xxx dovecot. >>> >>> I run sa-learn against my spam_to_learn fol

Re: [CentOS] dovecot move doesn't work

2015-01-07 Thread Chuck Campbell
On 1/7/2015 12:06 AM, Alexander Dalloz wrote: > Am 06.01.2015 um 23:55 schrieb Chuck Campbell: >> I'm running centos 6.6 with the default 2.0.9-xxx dovecot. >> >> I run sa-learn against my spam_to_learn folder, then I wan to move those >> emails >> to a learn

[CentOS] dovecot move doesn't work

2015-01-06 Thread Chuck Campbell
] [-V] reload search [-u |-A] [-S ] sis deduplicate|find stop user [-a ] [-x ] [...] who [-a ] [-1] [] [] this doesn't even list a move command, yet the dovecot pages show it and give examples. any suggesti

Re: [CentOS] Centos 6.6 procmail trouble

2014-11-25 Thread Chuck Campbell
On 11/21/2014 1:01 PM, Chuck Campbell wrote: > I have a 6.5 machine that had everything set up and working correctly > (fetchmail, sendmail w/ starttls, procmail, spamassassin) but the MB cratered. > I bought a new machine, and installed Centos 6.6 and all is not well. > > I used

[CentOS] Centos 6.6 procmail trouble

2014-11-21 Thread Chuck Campbell
some other eyes can tell me what is wrong here. -chuck This is the top of the .procmailrc in my home directory: SHELL="/bin/bash" HOME="/home/nnl" PATH="$HOME/bin:/bin:/usr/bin:/usr/local/bin:/usr/contrib/bin:." MAILDIR="$HOME/Maildir/" DEFAULT="

Re: [CentOS] Renaming NIC name in CentOS 7

2014-10-09 Thread Chuck Campbell
rd coded ethernet ports in them. I have one that won't run with anything except eth0. -chuck -- ACCEL Services, Inc.| Specialists in Gravity, Magnetics | (713)993-0671 ph. | and Integrated Interpretation | (713)993-0608 fax 448 W. 19th St. #325|Since 19

Re: [CentOS] ZFS

2014-09-16 Thread Chuck Munro
orruption. The scrubbing operation doesn't seem to affect concurrent use all that much. The servers run for months without reboots (only done for security updates). I don't miss those hours-long ext4 fsck's at all :-) Chuck

[CentOS] Bind config question, centos 5.10

2014-08-15 Thread Chuck Campbell
| (713)993-0671 ph. | and Integrated Interpretation | (713)993-0608 fax 448 W. 19th St. #325|Since 1992 | (713)306-5794 cell Houston, TX, 77008 | Chuck Campbell | campb...@accelinc.com | President & Senior Ge

[CentOS] slow i/o with a raid 50 on a 3ware controller

2014-08-06 Thread Chuck Campbell
5.10 setup, using ext3, and it performs much faster i/o. The old 3ware setup is raid 5. -chuck -- ACCEL Services, Inc.| Specialists in Gravity, Magnetics | (713)993-0671 ph. | and Integrated Interpretation | (713)993-0608 fax 448 W. 19th St. #325|Since

Re: [CentOS] CentOS-6.5 LiveDVD problem

2014-07-04 Thread Chuck Campbell
ial: SerNum0 > slot: CHANNEL_A > size: 4GiB > width: 64 bits > clock: 800MHz (1.2ns) > *-bank:1 > ---> > > > Help??? > I saw the same issues with my machine and never sorted it out (I just went back

[CentOS] mail delivery question

2014-06-20 Thread Chuck Campbell
cot-lda directly, I get the same result. I'm not getting any AVC (SELinux) entries in my /var/log/audit/audit.log, so it doesn't appear to be unix permissions, or SELinux issues. How can I find out what permissions I need to change? -chuck

Re: [CentOS] iptables question

2014-06-17 Thread Chuck Campbell
On 6/17/2014 6:39 PM, Warren Young wrote: > On 6/16/2014 15:58, Chuck Campbell wrote: >> If they keep going through this ip block, they will still get 255 attempts at >> the root password and 1020 attempts at other login/password combinations >> before >> they are bloc

Re: [CentOS] iptables question

2014-06-17 Thread Chuck Campbell
On 6/16/2014 11:08 PM, John R Pierce wrote: > On 6/16/2014 8:52 PM, Chuck Campbell wrote: >> I ran a script after fail2ban was started. It looks like this: >> #!/bin/sh >> iptables -A INPUT -s 116.10.191.0/24 -j DROP >> iptables -A INPUT -s 183.136.220.0/24 -j D

Re: [CentOS] iptables question

2014-06-16 Thread Chuck Campbell
ork its way down the chain, therefore you have to options >> 1. remove that line or >> 2. move it at the bottom of the chain. > > I am clearly missing some emails, because I didn't see a reply from John R > Pierce. My apologies. > I appreciate you restating this. I'll t

Re: [CentOS] iptables question

2014-06-16 Thread Chuck Campbell
On 6/16/2014 9:44 PM, Earl Ramirez wrote: > On Mon, 2014-06-16 at 21:42 -0500, Chuck Campbell wrote: >> All of the suggestions are graciously accepted, however, I was actually >> asking >> what I was doing wrong with iptables, and why, with the rules I put in place, >>

Re: [CentOS] iptables question

2014-06-16 Thread Chuck Campbell
last time, how am I going to figure out how to deny all, then allow selected, ehrn I can't seem to allow all and deny selected. There must be a misunderstanding on my part about how iptables are supposed to work. -chuck -- ACCEL Services, Inc.| Specialists in Gravity, Magnetics | (71

[CentOS] iptables question

2014-06-16 Thread Chuck Campbell
n/password combinations before they are blocked by fail2ban. Why is this ip range still able to attempt connections? Have I done something wrong with my address ranges, or added them in the wrong place? thanks, -chuck -- ACCEL Services, Inc.| Specialists in Gravity, Magnetics | (713)9

Re: [CentOS] SELinux issue?

2014-06-16 Thread Chuck Campbell
On 6/16/2014 10:13 AM, m.r...@5-cent.us wrote: > Chuck Campbell wrote: >> I've recently built a new mail server with centos6.5, and decided to bite >> the bullet and leave SELinux running. I've stumbled through making > things work >> and am mostly there. >>

[CentOS] SELinux issue?

2014-06-16 Thread Chuck Campbell
the files are owned by user:group What, precisely is wrong here? I don't get any AVC entries in /var/log/audit/audit.log, so I'm at a loss as to what to try next. Should this directory not be target mail_spool_t? Any guesses? -chuck -- ACCEL Services, Inc.| Specialists in Gravity,

Re: [CentOS] procmail and dovecot

2014-06-13 Thread Chuck Campbell
On Fri, Jun 13, 2014 at 09:14:06AM -0400, Jason Pyeron wrote: > > -Original Message- > > From: Chuck Campbell > > Sent: Friday, June 13, 2014 9:09 > > > > Does anyone know how to get procmail and dovecot to play > > happily together with > >

[CentOS] procmail and dovecot

2014-06-13 Thread Chuck Campbell
I managed, but it still gives permission problems, and I haven't succeeded in getting it to deliver mail. Any guesses at all would be useful. thanks, -chuck -- ACCEL Services, Inc.| Specialists in Gravity, Magnetics | (713)993-0671 ph. | and Integrated Interpretatio

Re: [CentOS] ZFS on Linux testing

2013-12-19 Thread Chuck Munro
I'm toying with the idea of keeping a marker file on the secondary whose timestamp can be used to limit rsync back to the primary to only those files which got added while the secondary was being used. That would take care of the non-deleted files issue on the secondary. Fortunately there a

Re: [CentOS] ZFS on Linux testing

2013-12-18 Thread Chuck Munro
omewhat like OS-X Time Machine, which I like a lot. I did try backuppc but it got a bit complex to manage IMHO. Thanks for the tip! Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] ZFS on Linux testing

2013-12-14 Thread Chuck Munro
t to 'true' in order to prevent chaos should a user need to point their Mac at the replicate filesystem (which should be a very rare event). I put all TM backups in a separate ZFS sub-pool for this reason. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] ZFS on Linux testing effort

2013-12-06 Thread Chuck Munro
On 04.12.2013 14:05, n...@li.nux.ro wrote: >>> >>On 04.12.2013 14:05, John Doe wrote: > From: Lists > >>> >>Our next big test is to try out ZFS filesystem send/receive in >>> >>lieu >>> >>of >>> >>our current backup processes based on rsync. Rsync i

Re: [CentOS] ZFS on Linux testing effort

2013-12-05 Thread Chuck Munro
s never failed. Regarding ZFS, our two ZFS-on-Linux servers have been in full production for several months, with zero problems so far. Updates to the latest version is quite painless. Today I had to replace a failed 4TB drive ... it took just a few minutes and required only two commands to

Re: [CentOS] ZFS on Linux in production?

2013-10-25 Thread Chuck Munro
ost-real-time syncing of the backup machine. (BTW, you need to crank the resources for inotify way up for large filesystems with a couple million files.) So far, so good. I still have a *lot* to learn about ZFS and its feature set, but for now it's doing the job very

Re: [CentOS] Failing Network card

2012-06-21 Thread Chuck Munro
Realtek network chips on the motherboard, I disable them in the BIOS and add Intel NICs instead. YMMV, but please consider ditching Realtek altogether. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Software RAID1 with CentOS-6.2

2012-03-01 Thread Chuck Munro
e drives. Having said that, I have a pair of 1TB Green drives in RAID-1 for the TimeMachine backups on my Mac, and they've been spinning 24x7 non-stop for 3 years without failure. I'm almost afraid to switch them off. Now, if WD can just get their post-flood production back in gear so prices can drop. My 2c, FWIW :-) Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Connecting ethX devices directly to a KVM/QEMU guest OS (SOLVED)

2012-01-20 Thread Chuck Munro
heck, I configured the WAN-side bridge to use DHCP and that >> > worked, but it's the m0n0wall VM guest that needs to make the request, >> > not the CentOS host. >> > >> > Suggestions anyone? In the mean time, I'll keep looking for a solution. >

Re: [CentOS] Connecting ethX devices directly to a KVM/QEMU guest OS (no bridging)

2012-01-19 Thread Chuck Munro
hen it asks for an IP on its WAN side, the result is 0.0.0.0/8 so it would appear the request never makes it to the ISP. As a sanity check, I configured the WAN-side bridge to use DHCP and that worked, but it's the m0n0wall VM guest that needs to make the request, not the CentOS host. Suggestions anyone? In the mean time, I'll keep looking for a solution. Thanks, Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

[CentOS] Connecting ethX devices directly to a KVM/QEMU guest OS (no bridging)

2012-01-18 Thread Chuck Munro
I don't mind using the command-line to create the VMs but the docs aren’t totally clear (to me, at least) regarding NIC assignment. Thanking you in advance for your suggestions, Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] EL 6 rollout strategies? (Scientific Linux)

2011-05-07 Thread Chuck Munro
5 to C6. There are some under-the-hood differences that must be taken into account, which I haven't looked into. YMMV, Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

[CentOS] A round of applause!

2011-04-10 Thread Chuck Munro
e!) wasn't aimed at CentOS, but it has significantly increased the workload the team faces. Let's be patient and let them get the job done. Kudos to the CentOS team! Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] ZFS @ centOS

2011-04-05 Thread Chuck Munro
s for a GByte of RAM per TByte of storage just for the metadata, which can add up. Maybe cache memory starvation is one reason why so many disappointing test results are showing up. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] CentOS Digest, Vol 75, Issue 5

2011-04-05 Thread Chuck Munro
elease and has some potential issues, so I'm reluctant to try it. It won't have RAID-6-like parity for a while. The fact that Oracle has both ZFS and Btrfs under its wing is, um, "interesting". I'm only asking for the world :-) Chuck

Re: [CentOS] KVM Host Disk Performance

2011-04-04 Thread Chuck Munro
are RAID users think, especially regarding large-capacity drives. It's rare for a modern drive to hand out bad data without an accompanying error condition (which the md driver should handle), but I have read that uncaught bad data is possible and would not be flagged in RA

[CentOS] KVM Host Disk Performance

2011-04-03 Thread Chuck Munro
M disk methodology, but I have the luxury of trying various disk configurations until I get a reasonable balance between performance and reliability with these large drives. So many questions ... so much to learn. Lots of Googling around is quite us

Re: [CentOS] Virtualization platform choice

2011-03-27 Thread Chuck Munro
e rather than using the 'filesystem-in-a-file' method. It seems to be a bit faster, but there's a learning curve to understanding how it works. One thing I found a bit annoying is the very long time it takes for a Guest to format its filesystems on the RAID-6 md device assigned to it. That's mostly due to array checksum overhead. RAID-10 would be a *lot* faster but somewhat less robust ... you pick what's best for your own situation. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Race condition with mdadm at boot

2011-03-12 Thread Chuck Munro
parameter in place, so there may be some other cause of the failure to bind some of the partitions. FWIW, in more than 10 system boots, there has never been any consistent pattern to these failures. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Race condition with mdadm at boot [still mystifying]

2011-03-11 Thread Chuck Munro
On 03/11/2011 09:00 AM, Les Mikesell wrote: > > On 3/10/11 9:25 PM, Chuck Munro wrote: > >> > However, on close examination of dmesg, I found something very >> > interesting. There were missing 'bind' statements for one or the >> > other hot spar

[CentOS] Race condition with mdadm at boot [still mystifying]

2011-03-10 Thread Chuck Munro
ff chance they might respond fast enough before the drivers move on to other duties. That didn't help either. Each group of arrays uses completely drivers (mptsas and sata_mv) but both exhibit the same problem, so I'm mystified as to where the real issue lies. Anyone car

[CentOS] Race condition with mdadm at bootup?

2011-03-08 Thread Chuck Munro
d22 metadata=1.2 num-devices=5 spares=1 UUID=ebb4ea67:b31b2105:498d81af:9b4f45d3 ARRAY /dev/md/md_d23 metadata=1.2 num-devices=5 spares=1 UUID=da07407f:deeb8906:7a70ae82:6b1d8c4a ----- Your suggestions are most welcome ... thanks. Chuck _

Re: [CentOS] CentOS and Marvell SAS/SATA drivers

2011-03-07 Thread Chuck Munro
... make sure you install grub in the boot sector of at least two drives so you can boot from an alternate if necessary. CentOS/SL/RHEL doesn't do that for you, it only puts grub in the boot sector of the first drive in an array. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] CentOS and Marvell SAS/SATA drivers

2011-03-06 Thread Chuck Munro
ly 8 ports so I don't know which disk drive may or may not be causing problems. The SMART data on all disks shows no issues, although I tend to treat some SMART data with scepticism. I need to track this error down because my understanding is that the LSI controller chip has very good perform

Re: [CentOS] CentOS and Marvell SAS/SATA drivers

2011-03-05 Thread Chuck Munro
till empty :-) ). I think I'll stick with SL-6 as the VM host OS, but will use CentOS for the guest VMs. CentOS-5.x will do fine for now, and I'll have the luxury of upgrading guest OSs to CentOS-6 as the opportunity arises. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] CentOS and Marvell SAS/SATA drivers

2011-03-04 Thread Chuck Munro
On 03/04/2011 09:00 AM, Les Mikesell wrote: > > On 3/3/11 6:52 PM, Chuck Munro wrote: >> > >> > I've been on a real roller coaster ride getting a large virtual host up >> > and running. One troublesome thing I've discovered (the hard way) is >&g

[CentOS] CentOS and Marvell SAS/SATA drivers

2011-03-03 Thread Chuck Munro
would be nice to return to using what appear to be well-made controller cards. I understand that even Alan Cox has expressed some frustration with the current driver status. FWIW, I had similar problems under the RHEL-6 evaluation OS too. Chuck

Re: [CentOS] security cameras

2011-02-24 Thread Chuck Munro
lot of sense and saves a lot of trouble, but make sure your Ethernet cable installation is of high quality. Open-source software such as ZoneMinder works with cameras from several manufacturers, and runs on CentOS. I personally haven't tried it, but I understand it works well. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] CentOS Digest, Vol 73, Issue 12

2011-02-12 Thread Chuck Munro
solved. Now all I need to do is wait for CentOS-6 to see if it correctly assembles all members of the arrays at boot time. I suspect the evaluation copy of RHEL-6 is not really up to date, so there may be issues with mdadm. I did take a look around the RedHat bugzilla si

[CentOS] Some RAID-6 observations ... RHEL-6 vs CentOS-5.5

2011-02-10 Thread Chuck Munro
oesn't present me with the same problem. Because I'm not a registered RHEL user, I don't have the ability to submit a bug report at RedHat. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Fan speed control on Supermicro X8DAL board with CentOS

2011-02-08 Thread Chuck Munro
time. The exhaust air leaving the box is almost cool, so ambient temperature is ok. I'll give the Supermicro support folks some time to sort this out, since I'm still waiting for CentOS-6 anyway. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Fan speed control on Supermicro X8DAL board with CentOS

2011-02-06 Thread Chuck Munro
On Sun, 06 Feb 2011 12:09:12 + Ned Slider wrote: > > On 06/02/11 07:00, Chuck Munro wrote: >> > Hello folks, >> > >> > I'm having a difficult time trying to figure out why the CPU cooling >> > fans run at full speed on my Supermicro X8DAL-3

[CentOS] Fan speed control on Supermicro X8DAL board with CentOS

2011-02-05 Thread Chuck Munro
at chip in order to get control of the fans? The Supermicro web site and the board's manual aren't any help. Fresh installs of CentOS-5.5 and RHEL-6 don't exert any control by default. Installing the lm_sensors package and probing with the 'sensors' command didn

Re: [CentOS] CentOS Digest, Vol 73, Issue 3

2011-02-03 Thread Chuck Munro
h with its PHY number. Knowing that lets me use the GUI to clearly identify a failed drive, which shows up as a PHY#. I'm normally a command-line kinda guy but this utility is something I really like on RHEL-6. I hope it's the same on CentOS-6. I'll organize the disk arrays wit

Re: [CentOS] RHEL-6 vs. CentOS-5.5 (was: Static assignment of SCSI device names?)

2011-02-02 Thread Chuck Munro
On 02/02/2011 09:00 AM, Lamar Owen wrote: > > On Wednesday, February 02, 2011 02:06:15 am Chuck Munro wrote: >> > The real key is to carefully label each SATA cable and its associated >> > drive. Then the little mapping script can be used to identify the >> >

Re: [CentOS] RHEL-6 vs. CentOS-5.5 (was: Static assignment of, SCSI device names?)

2011-02-01 Thread Chuck Munro
Les Mikesell wrote: > > On 1/30/11 1:37 PM, Chuck Munro wrote: >> > Hello list members, >> > >> > My adventure into udev rules has taken an interesting turn. I did >> > discover a stupid error in the way I was attempting to assign static >> > di

[CentOS] RHEL-6 vs. CentOS-5.5 (was: Static assignment of SCSI device names?)

2011-01-30 Thread Chuck Munro
r-written admin scripts could break depending on the system commands they use. I look forward to CentOS-6 and all the goodies we can expect, and I'm quite happy to wait until the CentOS crew does their thing before releasing it ... they deserve a lot of credit for doing

Re: [CentOS] Static assignment of SCSI device names?

2011-01-28 Thread Chuck Munro
ng minds need to know why I suddenly can't get any rules to work. Maybe I need to re-install. I have just downloaded a trial version of RHEL-6 which I should try, to see if it handles this stuff more gracefully. It'll do for experimentation until CentOS-6 arrives. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

[CentOS] Static assignment of SCSI device names?

2011-01-27 Thread Chuck Munro
e problem doesn't radically change when I install CentOS-6 on this box. I'm using CentOS-5 just to get practice in using KVM and RAID-60. Thanks for any advice you can offer. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Problem with SSHD update.

2011-01-07 Thread chuck s
Frank Cox writes: > > > On Mon, 2010-09-13 at 12:59 -0400, James B. Byrne wrote: > > What is the procedure to remove the latest openssh packages and > > replace them with the previous ones? > > I'm not sure you can do that directly with yum (though someone can > correct me there) but you could

[CentOS] Disk array format for CentOS virtual host

2010-12-18 Thread Chuck Munro
e. Either way would probably take the same amount of time (long!) to rebuild an array, if I understand this correctly. The collective wisdom of this list is most welcome. Thanks muchly, Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

[CentOS] A question about DRBD and nfs

2010-09-28 Thread Chuck Payne
Hi, I been working on for about a month and half on setup drbd and nfs. I keep running into issue with the way heartbeat/pacemaker handles nfs. Does anyone know a good way to set up a HA NFS server with DRBD and Heartbeat and NFS. I am willing to share my pain in setting it up. Chuck Payne

Re: [CentOS] Anyone Having Any Luck Downloaing the DVD ISO?

2010-09-06 Thread Chuck
Yep.. I've tried numerous speed test and at my slowest it was 19m down and 768k up. On Mon, Sep 6, 2010 at 9:35 AM, Robert wrote: > On 09/05/2010 05:01 PM, Chuck informed us: > > > > I've been trying for 2 weeks to download the dvd iso torrent... Shows > > a to

Re: [CentOS] Anyone Having Any Luck Downloaing the DVD ISO?

2010-09-06 Thread Chuck
cle 11g in ~90 minutes) -Chuck On Sun, Sep 5, 2010 at 4:44 PM, Robert Heller wrote: > At Sun, 5 Sep 2010 15:01:06 -0700 CentOS mailing list > wrote: > > > > > > > > > I've been trying for 2 weeks to download the dvd iso torrent... Shows a > ton > > o

[CentOS] Anyone Having Any Luck Downloaing the DVD ISO?

2010-09-05 Thread Chuck
I've been trying for 2 weeks to download the dvd iso torrent... Shows a ton of seeders, few leechers, but very poor performance.. (I'm correctly setup for torrents and get fast downloads normally) Only like 4% downloaded and crawling. I've tried the trackers from every one of the mirror sites. I ca

Re: [CentOS] how to check the number of thread on apache server

2010-08-22 Thread Chuck Munro
g Wieers' rpmforge repository for CentOS. The suggestions offered in this discussion are all very useful with regard to tuning Apache. Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

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