Re: [Bugme-new] [Bug 9855] New: ext3 ACL corruption

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Andreas Dilger wrote:
> On Jan 30, 2008  14:49 -0800, Andrew Morton wrote:
>>> Problem Description:

>>> Inode size:               256     
> 
> This is a bit interesting, since it isn't very common to use large inodes.
> I suspect this relates to the problem.

I think it is somewhat common on samba servers, though.

And it's the new default in the latest e2fsprogs... maybe something will
shake out in the F9 development cycle.

>>> These are production Samba servers making fairly extensive use of file and
>>> directory ACLs. Thus far, I've only noticed the corruptions when it came time
>>> to upgrade to a new kernel and reboot (and the boot scripts then run fsck).
>>> Note that I've never noticed any issues at runtime because of this - only when
>>> I later realised that ACLs had been removed from random files and/or
>>> directories.
>>>
>>> I think I will implement some scripts to unmount and run fsck nightly from
>>> cron, so I can at least detect the corruption a little earlier. If there is
>>> some more helpful debugging output I can provide, please let me know.
> 
> There is just such a script in the thread "forced fsck (again?)".  Since you
> are using LVs for the filesystem.

Which is on the ext3-users list btw...

> If you are able to reproduce this, could you please dump the inode and EA
> block before fixing the problem.

Do you need instructions on doing that?

-Eric
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