Re: OCFS2 Filesystem inconsistency across nodes

[Claudio Martins <ctpm@rnl.ist.utl.pt>]

On Monday 13 February 2006 22:26, Mark Fasheh wrote:
> On Sat, Feb 11, 2006 at 05:40:57AM +0000, Claudio Martins wrote:
> > This is my /etc/ocfs2/cluster.conf on every node:
>
> Hi Claudio,
> 	Thanks for sending me your config files. Everything seems in order.
> I was easily able to reproduce your problem on my cluster and was able to
> git-bisect my way to some JBD changes which seem to be causing the issue.
> Reverting those patches fixes things. Can you apply the attached patch and
> confirm that it also fixes this particular problem for you? You'll have to
> apply to all kernels in your cluster and either run fsck.ocfs2 or create a
> new file system before testing again.

 Hi Mark,

 I'll apply the patch and rebuild my kernels and filesystem. Will be reporting 
the results ASAP.

Thanks

Claudio

>
> Linus, Andrew, Jan,
> 	OCFS2 uses journal_flush() to sync metadata out to disk when another
> node wants to obtain a lock on an inode which has pending journaled
> changes. Something in Jan Kara's patch titled "jbd: split checkpoint lists"
> broke this for OCFS2 (and I suspect for other users of JBD as well). As a
> result metadata is not always completely flushed to disk by the end of the
> journal_flush() call.

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