Discuss July 2005

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CentOS-announce Digest, Vol 5, Issue 15
by centos-announce-request＠centos.org 30 Jul '05

30 Jul '05

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-2005:612 Moderate CentOS 4 ia64 kdelibs - security update (Pasi Pirhonen) 2. CESA-2005:612 Moderate CentOS 4 s390(x) kdelibs - security update (Pasi Pirhonen) ---------------------------------------------------------------------- Message: 1 Date: Sat, 30 Jul 2005 02:59:37 +0300 From: Pasi Pirhonen <upi(a)papat.org> Subject: [CentOS-announce] CESA-2005:612 Moderate CentOS 4 ia64 kdelibs - security update To: centos-announce(a)centos.org Message-ID: <20050729235937.GP1134(a)core.upi.iki.fi> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory 2005:621 https://rhn.redhat.com/errata/RHSA-2005-612.html The following updated files have been uploaded and are currently syncing to the mirrors: files: updates/ia64/RPMS/kdelibs-3.3.1-3.11.ia64.rpm updates/ia64/RPMS/kdelibs-devel-3.3.1-3.11.ia64.rpm -- Pasi Pirhonen - upi(a)iki.fi - http://iki.fi/upi/

1 0

NFS and Linux Firewall Conflict
by John Hinton 30 Jul '05

30 Jul '05

If I run showmount -e <my_server_ip> from the client, with the firewall set to on on the server, I get rpc mount export: RPC: Unable to receive; errno = No route to host If I turn it off, I can connect. So far, I have 111 and 2049 tcp and udp open and 4002 udp open. Anybody know what I'm missing? Best, John Hinton

2 1

CentOS 4 install DVD
by Robert Hanson 29 Jul '05

29 Jul '05

greetings when CentOS 4 first came out i downloaded the DVD and installed from it several times just fine. should i continue to use it? OR, is there a "newer" one? where on the mirros should i snag it "the best" new one if it exists please? thank you and kind regards, - rh

10 27

filesystem corruption: resize inode not valid
by dan1 29 Jul '05

29 Jul '05

Hello. I am having a problem with one CentOS 4 box I have installed. It worked perfectly for several days, was used as a gateway on my LAN. After having reached the limit of the disk size by copying stuff from a windows box to a samba shared drive on the centOS box, and after making a reboot, the server didn't come up anymore. Looking at it I was thrown to the repair console and when doing an 'e2fsck /dev/md1' there was the following message: "resize inode not valid". >From there on, I can answer to the repair questions, but after finishing the filesystem repair, and redoing a filesystem check (after reboot or not) the same error message comes up. I cannot go out of it and the ext3 filesystem (in software raid 1) seems completely mixed up. Did somebody else have this problem already ? I had a look around the internet and I have seen several people having had this problem these last months. I was using the e2fsck verison 1.35 (current version of CentOS). Thanks for any help one could provide. Daniel

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clamav and centos
by Carlos Arellano 29 Jul '05

29 Jul '05

I am trying to install clamav in centos ia64. Descompresed the file, I run configure but I can get the daemon running (clamd and freshclam). Any one knows how can I install clamav on linux. Este correo fue escaneado y se encuentra libre de virus. Este correo fue escaneado y se encuentra libre de virus.

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RE: [CentOS] NFS and Linux Firewall Conflict
by Brian Bartlett 29 Jul '05

29 Jul '05

Good luck! Many ports are used for NFS and many are continuously changing. I ran into this problem and found this article to be very handy. http://www.lowth.com/LinWiz/nfs_help.html Good luck Brian -----Original Message----- From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of John Hinton Sent: Friday, July 29, 2005 10:45 AM To: CentOS Subject: [CentOS] NFS and Linux Firewall Conflict If I run showmount -e <my_server_ip> from the client, with the firewall set to on on the server, I get rpc mount export: RPC: Unable to receive; errno = No route to host If I turn it off, I can connect. So far, I have 111 and 2049 tcp and udp open and 4002 udp open. Anybody know what I'm missing? Best, John Hinton _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

4 3

Changing from IDE to SCSI
by Ugo Bellavance 29 Jul '05

29 Jul '05

Hi, If I clone one IDE-equipped server to a SCSI-equipped server, what do I have to do? re-do the label then fstab in rescue mode? Is that all? -- Ugo -> Please don't send a copy of your reply by e-mail. I read the list. -> Please avoid top-posting, long signatures and HTML, and cut the irrelevant parts in your replies.

2 1

Tyan Thunder K8SE S2892 Report
by Kirk Bocek 29 Jul '05

29 Jul '05

I had my eye on the Tyan dual-Opteron mobos for awhile. I tried to find a posting *anywhere* sharing experiences with these boards under Linux. No such luck. So placing myself under the heading "Where Angles Fear to Tread," I went ahead and built a system anyway. Here's what I've learned. The specs: Tyan Thunder K8SE S2892, BIOS 1.01 2x Opteron 270, 2Ghz Dual-Core, retail package with fan 2GB RAM (4x SuperTalent 512MB P/N D32RB12P3) 3Ware 9500S-4LP 4 port SATA controller 4x 200GB Segate ST3200826AS 7200.8 SATA (attached to 3Ware controller) 1x 80GB Wester Digital WD800JD-00LSA0 SATA (attached to onboard controller) Antec Truepower 2.0 550W PSU Chenming 901A-0-0 RTL Case Supermicro 5-drive SATA HD Cage CentOS 4.1 x86_64 I thought I bought a plenty large case. Turns out the CPU heat sink at the front of the motherboard sticks up far enough to interfere with the drive bays at the bottom of the case. I had carefully mounted the CPUs, heat sinks and memory before mounting the motherboard. When I tried to insert the motherboard, the front heat sink hit the shelf that supports one of the two internal hard drive cages that come with the Chenming case. I had to peel off the heat sink to get the board in then reinstall it -- something I didn't want to do. If the case was 9" wide instead of 8", this probably wouldn't be an issue. The heat sink sticks up far enough to keep me from reinstalling the internal hard drive cages. Not a problem since I'm using the Supermicro SATA cage, but it bugs me to lose expansion possibilities. Can anyone recommend a "low-rise" Opteron heat sink? I hadn't yet purchased an optical drive and so was planning on booting the install program from a USB key. However I could not get the BIOS to recognize the key. I put 'removable drives' at the top of the boot preferences but it refused to recognize the key. I ended up doing a PXE boot install instead. The install hung once forcing me to restart. But after that the install process was the fastest I've ever seen, taking about seven minutes to copy everything. Booting the first time, I was happy to see that everything was recognized by the system, all three network ports, the Nvidia SATA controller and even the 3Ware controller. However, the boot messages showed: warning: many lost ticks. Your time source seems to be instable or some driver is hogging interrupts and several repeating messages: powernow-k8: error - out of sync... Also, /proc/cpuinfo showed each cpu as running at about 1004Mhz with about 900 bogomips. Not what I expected. I decided to press ahead and added a couple of drives the the 3Ware, created a unit, formatted it and began benchmarking the array. The "powernow" messages continued to occur and then the 3Ware driver started issuing error messages. Eventually the system crashed and stopped responding. Googling on the powernow error message let me know that the kernel wizards had started to fix some powernow bugs starting with about kernel 2.6.10. Of course the stock CentOS 4.1 kernel is 2.6.9-11. So I downloaded, compiled and installed kernel 2.6.12.3. On rebooting, the error messages went away and the 3Ware worked without complaint. Now /proc/cpuinfo showed each cpu running at 2009.267 Mhz with 4014.08 bogomips. Ah, much better! In addition, the system came up in with NUMA enabled. Looks like the Red Hat kernel had it turned off by default. I benchmarked disk array performance using Bonnie++ version 1.03a. I ran six benchmarks using 50GB of data, three using 16k blocks and three using 64k blocks. During the raid 0 testing I had two instances of Setiathome running. During the raid 5 testing I had three instances of Setiathome running. Here are the results: Raid 0, 64k Stripes: bonnie++ 1.03a ------Sequential Output------ --Sequential Input- --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP Tyan 50G:16k 49317 99 138307 62 +++++ +++ 46765 80 183180 22 88.9 0 Tyan 50G:16k 48911 98 148421 67 77099 21 46018 79 182136 21 89.8 0 Tyan 50G:16k 49188 98 143615 65 77381 21 46158 78 181181 21 90.5 0 Tyan 50G:64k 49372 99 146417 67 77185 21 45828 78 179758 21 76.7 0 Tyan 50G:64k 48585 98 145376 66 76580 21 45609 78 171888 21 76.3 0 Tyan 50G:64k 46093 92 134903 58 67851 18 45200 77 172103 21 75.6 0 ------Sequential Create------ --------Random Create-------- -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files:max:min /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP Tyan 16 2524 97 +++++ +++ +++++ +++ 2542 97 +++++ +++ 8670 99 Tyan 16 2385 98 +++++ +++ +++++ +++ 2579 97 +++++ +++ 8408 98 Tyan 16 2627 97 +++++ +++ +++++ +++ 2437 92 +++++ +++ 8671 100 Tyan 16 1582 98 +++++ +++ +++++ +++ 1647 98 +++++ +++ 8488 100 Tyan 16 1399 85 +++++ +++ +++++ +++ 1632 98 +++++ +++ 8476 99 Tyan 16 1654 95 +++++ +++ +++++ +++ 1636 98 +++++ +++ 8405 99 Writes at about 140MB/Sec, reads at about 180MB/Sec. Very nice. Raid 5, 64k Stripes: bonnie++ 1.03a ------Sequential Output------ --Sequential Input- --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP Tyan 50G:16k 33394 68 35889 16 26513 7 44096 75 157248 19 84.1 0 Tyan 50G:16k 32601 67 36058 16 26623 7 43964 75 156970 19 83.3 0 Tyan 50G:16k 37892 77 35702 16 26960 7 44390 75 157084 19 83.5 0 Tyan 50G:64k 36168 74 35560 17 27003 8 43463 75 155179 20 69.1 0 Tyan 50G:64k 32713 68 36187 16 26580 7 43922 76 156752 20 69.2 0 ------Sequential Create------ --------Random Create-------- -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files:max:min /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP Tyan 16 1561 98 +++++ +++ +++++ +++ 1694 97 +++++ +++ 8428 97 Tyan 16 1672 98 +++++ +++ +++++ +++ 1712 97 +++++ +++ 8751 99 Tyan 16 1542 98 +++++ +++ +++++ +++ 1355 81 +++++ +++ 8986 100 Tyan 16 2534 96 +++++ +++ +++++ +++ 2408 96 +++++ +++ 7945 98 Tyan 16 2382 97 +++++ +++ +++++ +++ 2380 97 +++++ +++ 7989 99 Whoa! Writes drop to about 35MB/Sec under raid 5, about 25% of the raid 0 performance. In fact, it was taking so long that I aborted the last test. Just to be sure that setiathome wasn't interfering, I killed seti and reran a smaller test. Writes increased to about 50MB/Sec without seti running. I was expecting some hit for raid 5 but not this much. Guess I'll stick with the hot rsync backups to other hosts scheme that I'm using now. As a final test, I restarted the 50GB benchmark under raid5 and popped out one of the drives. There was a pause while I guess the 3Ware controller decided that the drive actually went off-line. The writing then continued to the remaining three disks. Checking the controller showed that both the drive and the unit were 'DEGRADED.' After popping the disk back in, I had to remove and re-add the drive to the array configuration then start the rebuild process. At this point the drive showed 'DEGRADED' and the unit showed 'REBUILDING.' The 3Ware drive logged appropriate messages when the disk was removed and replaced. I didn't bother finishing the rebuild, but it looked like it would take a couple of hours to finish if I let the benchmark continue to run. The 3Ware controller is pretty cool. As I said, the driver (3w-9xxx) is included in the 2.6 kernel. 3Ware provides a simple CLI utility for management. They also have a GUI tool but I didn't bother running it. You can create, remove and verify 'units' on a running system. The associated /dev entries are dynamically added and removed as you make changes. Very nice. In summary, the Tyan S2892 plus the 3Ware controller runs well under CentOS 4.1 although you will have to update to a more current kernel than the one provided by Red Hat. Watch your clearance at the front of the motherboard when selecting a case. Comments and corrections are encouraged. Kirk Bocek

5 15

Using CentOS as a file server on a win2K domain
by Ugo Bellavance 29 Jul '05

29 Jul '05

Hi, What I have: - One Win2K server (Exchange, Print and File sharing). - One CentOS server I'd like to transfer the "Print and File sharing" task from the Win2K server to -- Ugo -> Please don't send a copy of your reply by e-mail. I read the list. -> Please avoid top-posting, long signatures and HTML, and cut the irrelevant parts in your replies.

9 32

out of office replies
by Raghavendra Moktali 29 Jul '05

29 Jul '05

hi, i just posted a few mins before and got two out of office replies. 1. they were direct from people to me. 2. how to deal with this? (delete them without any noise?) :) thanks Raghavendra

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Discuss July 2005