Re: [GIT PULL] Btrfs updates for 2.6.35

From: Ed Tomlinson
Date: Tue Jun 15 2010 - 07:17:28 EST


On Monday 14 June 2010 20:47:35 Chris Mason wrote:
> On Mon, Jun 14, 2010 at 03:24:19PM -0400, Ed Tomlinson wrote:
> > On Friday 11 June 2010 15:37:31 Chris Mason wrote:
> > > Hello everyone,
> > >
> > > The master branch of the btrfs-unstable tree is a collection of fixes
> > > and cleanups, including two btrfs regressions from rc1:
> > >
> > > git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable.git master
> > >
> > > One is an freeing blocks on an FS converted from ext34 to btrfs,
> > > and the other is a fallocate fix.
> > >
> > > The rest are the usual small bug fixes.
> >
> > Looks like this still misses any fix for the oops I reported May 8th in thread:
> > "[OPPS] btrfs on 33-3 with latest from btrfs-unstable.git master"
> >
> > Any chance this could be looked into? I've kept the fs just in case.
>
> The oops shows a crc failure and then we were not able to read the tree
> block. Yan Zheng is working on an fsck that can repair things now.
> Until then the best I can do is help copy things off.
>
> Would you rather save the FS to test fsck?

I can hang on to the FS for a while longer. One interesting point. The FS
has both both meta-data and data mirroring enabled. I gather the oops is
implying that both versions are corrupt. Btw the fs problem occured after
heavy vm activity caused by running too many kvm(s).

Thanks
Ed
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