Discuss September 2009

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300 participants
293 discussions

/etc/sysconfig/autofsck
by Agile Aspect 10 Sep '09

10 Sep '09

Hi - I've been asked to turn on autofsck on ext3 filesystems for CentOS 4 and 5 servers on reboot after a crash by adding AUTOFSCK_TIMEOUT=5 AUTOFSCK_DEF_CHECK=yes to the file /etc/sysconfig/autofsck Is this necessary for ext3 filesystems? Is this a safe thing to do for a ext3 filesystems? I haven't used autofsck since the ext2 days. -- Agile -- "We are drowning in information and starving for knowledge." -- Rutherford D. Roger

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Centos 4.7 supports two CPUs?
by Luis campo 10 Sep '09

10 Sep '09

Hello people I currently have a ML370 G4 server with a CPU in centos 4.7, this server has the ability to add another CPU. the question is, Centos can recognize the second CPU? and if so, is there any special configuration to be performed. A forward to your comments Greetings _________________________________________________________________ News, entertainment and everything you care about at Live.com. Get it now! http://www.live.com/getstarted.aspx

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waiting IOs...
by John Doe 10 Sep '09

10 Sep '09

Hi, We have a storage server (HP DL360G5 + MSA20 (12 disks in RAID 6) on a SmartArray6400). 10 directories are exported through nfs to 10 clients (rsize=32768,wsize=32768,soft,intr,nosuid,proto=udp,vers=3). The server is apparently not doing much but... we have very high waiting IOs. dstat show very little activity, but high 'wai'... # dstat ----total-cpu-usage---- -dsk/total- -net/total- ---paging-- ---system-- usr sys idl wai hiq siq| read writ| recv send| in out | int csw 0 0 88 12 0 0| 413k 98k| 0 0 | 0 0 | 188 132 0 1 46 53 0 0| 716k 48k| 19k 420k| 0 0 |1345 476 0 1 49 50 0 1| 492k 32k| 12k 181k| 0 0 |1269 482 0 1 63 37 0 0| 316k 159k| 58k 278k| 0 0 |1789 1562 0 0 74 26 0 0| 84k 512k|1937B 6680B| 0 0 |1200 106 0 1 44 55 0 1| 612k 80k| 14k 221k| 0 0 |1378 538 1 1 52 47 0 0| 628k 0 | 17k 318k| 0 0 |1327 520 0 1 50 49 0 0| 484k 60k| 14k 178k| 0 0 |1303 494 0 0 87 13 0 0| 124k 0 |7745B 116k| 0 0 |1083 139 0 1 59 41 0 0| 316k 60k|4828B 67k| 0 0 |1179 346 top shows that one nfsd is usualy in state 'D' (waiting). # top -i (sorted by cpu usage) top - 18:11:28 up 207 days, 7:13, 2 users, load average: 0.99, 1.07, 1.00 Tasks: 124 total, 1 running, 123 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.2%sy, 0.0%ni, 54.3%id, 45.3%wa, 0.2%hi, 0.0%si, 0.0%st Mem: 3089252k total, 3068112k used, 21140k free, 928468k buffers Swap: 2008116k total, 164k used, 2007952k free, 293716k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 16571 root 15 0 12708 1076 788 R 1 0.0 0:00.02 top 2580 root 15 0 0 0 0 D 0 0.0 2:36.70 nfsd # cat /proc/net/rpc/nfsd rc 8872 34768207 38630969 fh 142 0 0 0 0 io 2432226534 884662242 th 32 394 4851.311 2437.416 370.949 238.432 542.241 4.942 2.239 1.000 0.427 0.541 ra 64 3876274 5025 3724 2551 2030 2036 1506 1607 1219 1154 1136249 net 73410453 73261524 0 0 rpc 73408119 0 0 0 0 proc2 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 proc3 22 33 9503937 1315066 11670859 7139862 0 5033349 28129122 3729031 0 0 0 487614 0 1116215 0 0 2054329 21225 66 0 2351744 proc4 2 0 0 proc4ops 40 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Do you think nfs is the problem here? If so, is there something wrong with our config? Is it too much to have 10 dir x 10 clients, even if there is almost no traffic? Thx, JD

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CentOS-announce Digest, Vol 55, Issue 5
by centos-announce-request＠centos.org 10 Sep '09

10 Sep '09

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2009:1432 Critical CentOS 3 i386 seamonkey - security update (Tru Huynh) 2. CESA-2009:1432 Critical CentOS 3 x86_64 seamonkey - security update (Tru Huynh) ---------------------------------------------------------------------- Message: 1 Date: Thu, 10 Sep 2009 13:03:30 +0200 From: Tru Huynh <tru(a)centos.org> Subject: [CentOS-announce] CESA-2009:1432 Critical CentOS 3 i386 seamonkey - security update To: centos-announce(a)centos.org Message-ID: <20090910110330.GA4133(a)sillage.bis.pasteur.fr> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory CESA-2009:1432 seamonkey security update for CentOS 3 i386: https://rhn.redhat.com/errata/RHSA-2009-1432.html The following updated file has been uploaded and is currently syncing to the mirrors: i386: updates/i386/RPMS/seamonkey-1.0.9-0.45.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-chat-1.0.9-0.45.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-devel-1.0.9-0.45.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-dom-inspector-1.0.9-0.45.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-js-debugger-1.0.9-0.45.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-mail-1.0.9-0.45.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-nspr-1.0.9-0.45.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-nspr-devel-1.0.9-0.45.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-nss-1.0.9-0.45.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-nss-devel-1.0.9-0.45.el3.centos3.i386.rpm source: updates/SRPMS/seamonkey-1.0.9-0.45.el3.centos3.src.rpm You may update your CentOS-3 i386 installations by running the command: yum update seamonkey\* Tru -- Tru Huynh (mirrors, CentOS-3 i386/x86_64 Package Maintenance) http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B

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SIGSEGV at kickstart
by Adrian Sevcenco 10 Sep '09

10 Sep '09

Hi! I have a problem that i dont know how to tackle ... i have done kickstarting many times but know it seems i hit an wall ... i try to kickstart through nfs an 64 bit centos .. just after taking ip trough dhcp i receive an SIGSEGV ! i dont know what to do anymore as the same ks.cfg worked very well until now .. Many thanks! Adrian

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RHEL 5.4 is out!
by Christopher Chan 10 Sep '09

10 Sep '09

Obligatory: When will Centos 5.4 be ready? /me goes down into reinforced concrete bunker and locks all hatches and doors.

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Problem kernel module DRBD on CentOS 5.3
by David Suhendrik 10 Sep '09

10 Sep '09

5 16

Compiling NTFS support in the kernel
by Kaplan, Andrew H. 09 Sep '09

09 Sep '09

Hi there -- I am running CentOS 5.3, and I need to have NTFS filesystem support as part of the kernel. Can someone direct me to the correct location for the file(s) and procedure necessary to download and compile? Thanks. The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.

2 1

bonding driver with arp detection
by nate 09 Sep '09

09 Sep '09

Hello - Was wondering if anyone is running the bonding network driver in active/backup mode using arp_validate? I'm trying to deal with really crappy network switches from Dell and I thought I could work around their faults in the short term by switching from link monitoring to arp monitoring. But I ran into a situation just now that seems even arp monitoring isn't enough. This is my config for the system: CentOS 5.2 base 2.6.18-128.1.10.el5 kernel (I think it's a 5.3 kernel) Ethernet Channel Bonding Driver: v3.2.4 (January 28, 2008) Bonding Mode: fault-tolerance (active-backup) Primary Slave: None Currently Active Slave: eth1 MII Status: up MII Polling Interval (ms): 0 Up Delay (ms): 0 Down Delay (ms): 0 ARP Polling Interval (ms): 1000 ARP IP target/s (n.n.n.n form): 10.16.1.1, 10.16.1.254 Slave Interface: eth0 MII Status: up Link Failure Count: 2 Permanent HW addr: 00:21:9b:8d:f1:0c Slave Interface: eth1 MII Status: up Link Failure Count: 1 -- Both IPs are supposed to be redundant, .1 is a pair of stacked piece of shit Dell gigabit switches, the other is a pair of F5 LTM load balancers. System had been running fine for about the past 9 days since I enabled this stuff, and then for some reason could no longer talk to 10.16.1.254, looking at tcpdump I saw the system almost flooding the link for arp requests for that address and maybe getting one in 10 answered. Communication with 10.16.1.1 was fine by contrast. 40 other systems on the same LAN communicate with both addresses constantly so I know both were more or less OK, it was something with the switch itself(have seen behavior on multiple Dell switches where they decide to stop forwarding traffic, which is what prompted me to switch from link monitoring to arp monitoring) At the time the system was running on eth0, so I brought that interface down and it immediately failed over to eth1 and things were ok again. I have since failed it back to eth0 and things are still fine. What I'd like to do if possible is configure the bonding driver to fail if either of the arp attempts fails, as far as I can see the default is even if 1 succeeds then the driver thinks it's ok. Looking at the arp_validate option it seems it only applies to slaves, not to the active link. Is there any thing I can do to make the driver fail if even one of the two addresses is not responding? I have noticed that in some cases the fail over does work, checking several systems they all have at least 1 link failure detected for each interface. Longer term my goal is to replace the switches entirely, been pushing that for about a month now. just goes to show you get what you pay for when you buy crap equipment(wasn't my idea), sigh. thanks nate

1 0

help with bonobo
by Jerry Geis 09 Sep '09

09 Sep '09

This morning I am getting a message on my screen that: There was a problem registering the panel with the bonobo-activation server error code is 1 It further suggests run bonobo-slay to perhaps take care of the situation. When I run bonobo-slay it says: bonobo-slay Can not open directory /usr/lib/bonobo/servers No such file or directory What do I do now? Thanks, Jerry

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Discuss September 2009