similar to: ext3 usage guidance

Peter Kjellstr?m wrote: > On Monday 23 January 2006 16:46, Plant, Dean wrote: >> I need to downgrade a system from Centos x4.2 to v3.6 (x86) due to >> performance problems with Arkeia Network Backup and AIT-4 tape >> drives. The backup database is stored on a v4.2 created ext3 >> partition. When accessing this partition after the downgrade, Centos >> complains on

I decided that I would try out 2.5.44, and I noticed that htree was merged. If I don't do the tune2fs -O dir_index, and e2fsck -D, the (exisintg) fs won't use htree, right? Once I do the tune2fs and e2fsck, will I still be able to go back to a non-htree kernel if needed? (Will a htree-ized fs work on a non-htree kernel?) I'm guessing that it won't. I've seen a 2.4 htree

I had a rather large ext4 partition on an Areca RAID shut down uncleanly while it was writing. When I mount it again, it recommends fsck, which I do, and I get the following error: Failed to optimize directory ... EXT2 directory corrupted This error shows up every time I run fsck.ext4 on this partition. How can I fix this? The file system seems to work ok otherwise, I can mount it and it

Hi Guys, I am planning on upgrading an existing NFS exported filesystem to the ext3 htree patch on kernel v2.4.23. Will the patch index directories automatically after tune2fs -O dir_index or should I do an e2fsck -Dfy on the filesystem before remounting?

I've been thinking recently that we should re-enable DIR_INDEX in mke2fs by default. When it first came out, we had done this and were bitten by a few bugs in the code. However, this code has been in heavy use for several thousand filesystem years in Lustre, if not elsewhere, and I'm inclined to think it is pretty safe these days. Likewise, RHEL/FC have had RESIZE_INODE as a standard

This may or may not be ext3 related but I am trying to find any pointers which might help me. I got a number of HP Proliant DL380 g5 with a P400 controller and also two qla2400 cards. The OS is RedHat EL4 U5 x86_64. Every time during reboot these systems panic after the last umount and I believe before the cciss driver is getting unloaded. The last messages I am able to see are: md: stopping

What will be the correct way to migrate ext3 to ext4 going from 5.5 to 5.6? Will something after the update ask if you want to migrate the file systems? Looking forward to some file system speed ups with large files. Thanks Jerry

Hi all, I issued the commands on a single disk system: with two partitions / is linux sda1 and /home is sda3 yum -y update yum -y install e4fsprogs reboot umount /home tune2fs -O extents,uninit_bg,dir_index /dev/sda3 e2fsck -yfDC0 /dev/sda3 That worked just fine. I then had a different system that is software raid. where / is linux and md0 and /home is md1 yum -y update yum -y

Hi, I've run many time e2fsck, but in a special dir ls tells me: ls: r?cksendung-wlan.dvi: No such file or directory ls: baf?g_r?ckmeldung.latex: No such file or directory ls: finpr?f.pdf: No such file or directory $ cat finpr?f.pdf cat: finpr?f.pdf: Datei oder Verzeichnis nicht gefunden I don't know what to do? How can I find the failure? If I cat the files with debugfs, I see the

i posted on rhel list about proper creating of 6tb ext3 filesystem and tuning here.......http://www.redhat.com/archives/nahant-list/2006-November/msg00239.html i am reading lots of ext3 links like...... http://www.redhat.com/support/wpapers/redhat/ext3/ http://lists.centos.org/pipermail/centos/2005-September/052533.html http://batleth.sapienti-sat.org/projects/FAQs/ext3-faq.html ............but

I need to downgrade a system from Centos x4.2 to v3.6 (x86) due to performance problems with Arkeia Network Backup and AIT-4 tape drives. The backup database is stored on a v4.2 created ext3 partition. When accessing this partition after the downgrade, Centos complains on boot that fsck.ext3: Filesystem has unsupported feature(s) (/dev/sda5) *fsck: Get a newer version of e2fsck! [fail] If I

Hi, Fedora Core ext3 file systems newbie questions: Just interested in the Linux ext3 features but got confused with "large_file" and "ext_attr". First, what's the "large_file" feature REALLY means? For file systems created with same commands and options some file systems have it on while some not. It is said that the feature is automatic -- If there is a

I am running into performance issues with ext3. Historically we had our image files (pictures of cars, currently 5.3 million) sub divided into a directory structure [0-9]/[0-9]/[0-9]/[0-9], where we would take the first 4 letters/numbers of the file name and use that to put it into this structure. Letters [a-cA-C] would become a 0, [d-fD-F] a 1, etc. As the file names used to be based on VIN

My UPS failed and my server took an 'unscheduled outage' a few weeks ago. The only casualty appears to be a volume I used for backup. I usually maintain data on multiple hard disks, but in this case I errantly had some data (of marginal value) on this file system. At this point, the data is not worth enough for me to send the drive out for data recovery, but it's worth enough to

Hello, I have 2 boxes with 1.5TB storage with ext3 fs, and the kernel is 2.6.11.8. I'm using E2fsprogs 1.37 for FS creation. And, Filesystem revision #: 1 (dynamic) There are 2 scenarios: 1. All SATA drives, RAID5 2. All PATA drives, RAID5 and wrapped in log volumes. I'm having lots of issues with fsck. I did search, but somehow not getting the right information. needs_recovery

Apologies for the newbie question: I have a (stock) 2.4.20 build (*not* -ac), and I'm trying to work with large ext3 directories. By large, I mean 160,000 files per directory. (Yes, I know it would be better in nested directories but such is life). I feel htree would benefit me. Close reading of the 2.4 changelog suggests that htree isn't in there - only a patch to prevent non-htree

Hello guys, I have some difficulties to understand what really are the numbers behing "df" and tune2fs. You'll find the output of tune2fs and df below, on which my maths are based. Here are my maths: A tune2fs on an ext3 FS tell me the FS size is 3284992 block large. It also tell me that the size of one block is 4096 (bytes if I'm not wrong?). So my maths tell me that the disk

We are having problems remounting an ext3 filesystem using an external journal device. The filesystem in question was working fine until the server was rebooted. This is what we see on dmesg when trying to mount: EXT3: failed to claim external journal device. The external journal lives on a LVM2 logical volume and it seems to be accessible ( we can dumpe2fs and see filesystem information).

A few days ago I installed dovecot stable to replace uw-imap. The install went well and all boxes were converted ok. When accessing the new imap server though, certain operations seem much slower, in particular, moving mail between boxes is very slow, and I have received several complaints from users that the mail server has slowed down. I can't figure out what the slow point is as maildir

hi I read ( I think in dovecot wiki) that ext2 or ext3 fs on a 2.4 kernel can get slow due to the number of files in a directory. Does anyone know if kernel 2.6 has similar limitation? I'm not at that point now, but before the box goes live, I'm wondering if I should resolve that. Glenn