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SubjectRe: same ext4 file system corruption on different machines
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Il giorno mer, 29/01/2014 alle 13.52 +0100, Luca Ognibene ha scritto:
> Hi, we are using ext4 as the root file system of some servers(~100, the
> first installed 5 months ago). We are starting to see corruption on
> these file systems, it already happened 3 times. All these servers have
> the same image copied on the 4GB disk-on-module sata disk. They don't
> write very much on the disk, only upgrades from time to time and
> configuration files written 3 times a day,a couple of MB each time. Logs
> are written on another partition. The faulty servers have different
> motherboard/cpu(intel 64bit). We are running ubuntu 12.04.2 with kernel
> 3.8.0-31-generic. We used the same dom with another image and ext3
> without problems for a couple of years so i don't think it's a dom's
> fault.

I've forgot the syslog error entry:

Jan 24 23:00:02 ay kernel: [371845.888834] EXT4-fs error (device sda2):
ext4_iget:3888: inode #127236: comm python-d: bad extra_isize (65663 !=
256)
Jan 24 23:00:02 ay kernel: [371845.888849] Aborting journal on device
sda2-8.
Jan 24 23:00:02 ay kernel: [371845.890819] EXT4-fs (sda2): Remounting
filesystem read-only
Jan 24 23:00:02 ay kernel: [371845.902919] EXT4-fs error (device sda2):
ext4_iget:3888: inode #127236: comm python-d: bad extra_isize (65663 !=
256)

I say "same ext4 file system corruption" because e2fsck reports errors
on inodes around 127233 on all file systems. I'm not sure about the
syslog errors because i have syslog logs for only the latest faulty
partition.

ciao
Luca




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