Discuss April 2008

discuss@lists.centos.org

252 participants
275 discussions

ext3 errors
by Les Mikesell 17 May '08

17 May '08

I recently set up a new system to run backuppc on centOS 5 with the archive stored on a raid1 of 750 gig SATA drives created with 3 members with one specified as "missing". Once a week I add the 3rd partition, let it sync, then remove it. I've had a similar system working for a long time using a firewire drive as the 3rd member, so I don't think the raid setup is the cause of the problem. I may have had problems with the drive power connectors initially but I think that is fixed now and I can't see any hardware errors being logged (the system/log files are on different drives). About once a week, I get an error like this, and the partition switches to read-only. --- Feb 24 04:48:20 linbackup1 kernel: EXT3-fs error (device md3): htree_dirblock_to_tree: bad entry in directory #869973: directory entry across bloc ks - offset=0, inode=3915132787, rec_len=42464, name_len=11 Feb 24 04:48:20 linbackup1 kernel: Aborting journal on device md3. Feb 24 04:48:20 linbackup1 kernel: ext3_abort called. Feb 24 04:48:20 linbackup1 kernel: EXT3-fs error (device md3): ext3_journal_start_sb: Detected aborted journal Feb 24 04:48:20 linbackup1 kernel: Remounting filesystem read-only Feb 24 04:48:33 linbackup1 kernel: EXT3-fs error (device md3): htree_dirblock_to_tree: bad entry in directory #4212181: rec_len % 4 != 0 - offse t=0, inode=4054525677, rec_len=1183, name_len=121 ---- 'fsck -y' seems to fix it up, but it keeps happening. Is this likely to be leftover cruft from the hardware issues or are there problems in ext3/raid1/sata drivers? The way backuppc stores data with millions of hardlinks in the archive it isn't really practical to copy it off, reformat, and start over. -- Les Mikesell lesmikesell(a)gmail.com

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Centosplus kernel does not have framebuffer support?
by Alfred von Campe 14 May '08

14 May '08

I'm still using CentOS 4.6, but have been planning an upgrade to CentOS 5 for quite a while. One of the things that was holding me back is that the CentOS 5.0 kernel did not have the framebuffer support enabled by default. So I waited for CentOS 5.1. However, on one of my test systems I ran into the bad NFS performance issue (see CentOS bug 2635), so I plan to use the centosplus kernel. However, it appears that this kernel does not have the framebuffer support enabled -- arrgghhh! So, is this just an oversight or is there a reason for not enabling the framebuffer support on the centosplus kernel? Alfred (who really wants to upgrade to CentOS 5 but cannot live with the NFS performance issue and does not want to build his own kernel RPMs)

3 10

CentOS5.1 PHP 5.2 RPMs?
by James Fidell 06 May '08

06 May '08

Is there a PHP 5.2 build for CentOS5.1 anywhere? Unfortunately I need a fix for a SOAP bug that is present in the current 5.1.6 release. James

4 10

CentOS Forums
by Johnny Hughes 02 May '08

02 May '08

We have CentOS Forums here: http://www.centos.org/modules/newbb/ Akemi Yagi (toracat on IRC) and Fabian Arrotin (arrfab on IRC) are the Forum Moderators. There are a lot of posts there that I find helpful when doing web searches ... but we could use more people answering questions there. Also, we specifically need some people to answer questions concerning Oracle database deployment in the CentOS4 and CentOS5 oracle forums: CentOS 5 Oracle: http://www.centos.org/modules/newbb/viewforum.php?forum=49 CentOS 4 Oracle: http://www.centos.org/modules/newbb/viewforum.php?forum=35 If we have anyone out there who likes the forum format for tech support, is fairly knowledgeable and would like to help out, we would greatly appreciate help in our CentOS Forums. Thanks, Johnny Hughes

2 1

case insensitive file system
by Ruslan Sivak 02 May '08

02 May '08

We have an application that was build on a windows platform that expects a case insensitive file system. Is there a way to set one up in CentOS? NTFS should work, I think, but I feel uneasy using that under Linux. Russ

13 20

Re: [CentOS] DVD reader: Hardware problem or OS glitch?
by Lanny Marcus 01 May '08

01 May '08

On 29 April 2008, "Alan Bartlett" <ajb.stxsl at googlemail.com> wrote: > Message: 38 > Date: Tue, 29 Apr 2008 22:18:00 +0100 > From: "Alan Bartlett" <ajb.stxsl(a)googlemail.com> > Subject: Re: [CentOS] DVD reader: Hardware problem or OS glitch? > Message-ID: > <4e2e72e80804291418v5053fc45j4a56b111168e662b(a)mail.gmail.com> <snip> > Lanny or Bill - Sorry I'm loosing track. One of you has three boxes; > in boxes #1 & #2 the drives behaves as you want, in box #3 the drive > misbehaves. Have you tried the test of swapping the drives in - say - > boxes #2 & #3 and seeing if the problem moves with the optical drive > or stays with box, #3? Alan: Today, I removed the Teac DV-516D DVD/CD reader, manufactured October 2004, in Japan, from my daughters box. I temporarily hooked it up in my box. The exact same problem! I could not see the contents of a DVD-R, but, I was able to see the contents of my Knoppix Live CD, without any problem. So, I did not bother with the PITA of removing the DVD/CD reader from my box, and trying that one in my daughters box. I booted my daughters box with my Knoppix Live CD V. 5.1.1 and it also showed the FC6 Install DVD to be blank. I suspect: (a) The Teac DV-516D DVD/CD reader is not supported in this kernel or somewhere else in CentOS 5. or (b) The DVD/CD reader is somewhat faulty. (c) However, Windows XP shows it to be "OK" and I can see the contents of the FC6 install DVD OK, in Windoze. Also, I can boot from the CentOS5 and FC6 Install DVD's, without any problem. And, I was able to mount the FC6 Install DVD, in a terminal and install the RPM I wanted to install, without any problems. Thank you, very much, for your time and ideas! Lanny

2 1

X just died then restarted
by fred smith 01 May '08

01 May '08

Just had a weird thing happen that I've never encountered before. Running Centos 5.x (updated) on 32-bit (Athlon XP). Was going along in Firefox when suddenly my screen went black and the hard drive light came on mostly steady for several seconds. After a little bit I got back the X login screen. It normally comes up on F7, but F7 was dead (with some text I'll paste in below in case it means anything to someone) and (since I have another dedicated app on F8) it came up on F9. The last few entries in /var/log/messages, which are about the right time, are: Apr 30 18:34:44 hostname restorecond: Will not restore a file with more than one hard link (/etc/resolv.conf) No such file or directory Apr 30 18:34:52 hostname kernel: NVRM: not using NVAGP, an AGPGART backend is loaded! Apr 30 18:35:10 hostname gconfd (username-32302): GConf server is not in use, shutting down. Apr 30 18:35:10 hostname gconfd (username-32302): Exiting Apr 30 18:36:59 hostname restorecond: Will not restore a file with more than one hard link (/etc/resolv.conf) No such file or directory Apr 30 18:37:22 hostname gconfd (username-8990): starting (version 2.14.0), pid 8990 user 'username' Apr 30 18:37:22 hostname gconfd (username-8990): Resolved address "xml:readonly:/etc/gconf/gconf.xml.mandatory" to a read-only configuration source at position 0 Apr 30 18:37:22 hostname gconfd (username-8990): Resolved address "xml:readwrite:/home/username/.gconf" to a writable configuration source at position 1 Apr 30 18:37:22 hostname gconfd (username-8990): Resolved address "xml:readonly:/etc/gconf/gconf.xml.defaults" to a read-only configuration source at position 2 Apr 30 18:37:27 hostname pcscd: winscard.c:219:SCardConnect() Reader E-Gate 0 0 Not Found Apr 30 18:37:27 hostname last message repeated 4 times Apr 30 18:37:30 hostname gconfd (username-8990): Resolved address "xml:readwrite:/home/username/.gconf" to a writable configuration source at position 0 and the stuff on the F7 screen is (hard to read and surely incomplete): b7913000-b7a52000 rw-p b7913000 00:00 0 b7a52000-b7a7c000 rw-s 00000000 00:08 192315392 /SYSV00000000 (deleted) b7a7c000-b7abc000 rw-s d3f90000 00:10 6900 /dev/nvidia0 b7abc000-b7ac0000 rw-s d0500000 00:10 6900 /dev/nvidia0 b7ac0000-b7fc0000 rw-s d0000000 00:10 6900 /dev/nvidia0 b7fc0000-b7fd0000 rw-s e4800000 00:10 6900 /dev/nvidia0 b7fd0000-b7fd4000 rw-p b7fd0000 00:00 0 b7fd4000-b7fd5000 rw-s e4682000 00:10 6900 /dev/nvidia0 b7fd5000-b7fd6000 rw-s e4680000 00:10 6900 /dev/nvidia0 b7fd6000-b7fde000 rw-s 240bb000 00:10 6900 /dev/nvidia0 b7fde000-b7fdf000 rw-s 1dc43000 00:10 6900 /dev/nvidia0 b7fdf000-b7fef000 rw-s 24730000 00:10 6900 /dev/nvidia0 bf864000-bf87f000 rwxp bf864000 00:00 0 [stack] bf87f000-bf881000 rw-p bf87f000 00:00 0 So since the stuff from /var/log/messages mentions agpgart and this stuff from F7 mentions /dev/nvidia, I'm guessing the nvidia drivers had some kind of brain fart (:) ?? FWIW, I'm running the Nvidia 96.43.01 drivers, direct from Nvidia and not any repository. Any ideas? Thanks! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- "Not everyone who says to me, 'Lord, Lord,' will enter the kingdom of heaven, but only he who does the will of my Father who is in heaven." ------------------------------ Matthew 7:21 (niv) -----------------------------

2 1

determining correct size for LV copy operations
by Kai Schaetzl 01 May '08

01 May '08

I have some problems with copying LV volumes and determining correct size. For instance, if I want to copy an LV from one machine to another. I dd the LV to a file on the other machine, then dd the file to the new LV. That fails, because a few MB are missing. source: LV Name /dev/VolGroup01/LogVol01 LV Size 4.62 GB target: LV Name /dev/xenvm/lvmtest1 LV Size 4.62 GB Both were created with lvcreate -L 4.62GB, but there's obviously a small rounding or whatever difference. The size of the physical extents seems to be different. I can determine the size of the output file -rw-r--r-- 1 root root 4966055936 Apr 30 21:19 lvmtest1.img That is 4849664K which is the smallest size unit that lvcreate accepts. lvcreate -L 4849664K --name lvmtest1 xenvm - and then it fits. But I hope there's a better way to determine the *exact* size? Kai -- Kai Schätzl, Berlin, Germany Get your web at Conactive Internet Services: http://www.conactive.com

2 2

kickstart question
by Jerry Geis 01 May '08

01 May '08

I have a couple lines like: part / --ondisk=sda --fstype ext3 --size=20000 --asprimary part swap --ondisk=sda --size=4000 --asprimary part /home --ondisk=sda --fstype ext3 --size=1 --asprimary --grow in my kickstart file. Is there a way to have 1 kickstart file that works for hda and sda both??? So I would like to have 1 kickstart file that works for either a hda install or sda install. Thanks, Jerry

3 4

Turning off Win2008 machines from a CentOS box
by Joseph L. Casale 01 May '08

01 May '08

I understand this may be able to be done with Samba? Anyone know the syntax for a CentOS 5.1 Samba client and what needs to be done to Windows 2008 Server to allow this (I suspect out of the box it wouldn't allow it)? I was hoping to use SSH with keys and script the login and execution of the native win shutdown command, but I have had troubles making any of the usual win SSH Daemons work under Windows 2008 Server x64. Any ideas would be appreciated! jlc

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Discuss April 2008