[Gluster-users] ext4 issue explained

[John Mark Walker]

Just want to add that we are working on a fix, but some of the proposed patches cause regressions with NFS and a couple of other things. You can track progress on gerritt here: http://review.gluster.com/3679 and http://review.gluster.com/3756 

The bugzilla report (838784) is here: https://bugzilla.redhat.com/show_bug.cgi?id=838784 

We will let you know when patches are merged that resolve this issue. 

-JM 

----- Original Message -----

> Brian Candler asks:

> > On Tue, Aug 14, 2012 at 12:19:10AM -0700, Joe Julian wrote:
> 
> > > I'm betting that your bricks are formatted ext4. If they are, you
> > > have
> > 
> 
> > > a bug due to a recent structure change in ext4. If that is the
> > > problem,
> > 
> 
> > > you can downgrade your kernel to before they backported the
> > > change
> > > (not
> > 
> 
> > > sure which version that is though), or reformat your bricks xfs.
> > 
> 
> > Do you have a link to any info on that issue?
> 

> > Does it only affect RedHat, or does it also affect distros running
> > new
> 
> > kernels?
> 

> > I am using ext4 rather than xfs because I was reliably able to make
> > machines
> 
> > running xfs lock up (these are Ubuntu not RedHat BTW) just by
> > throwing
> 
> > bonnie++ load at them, but not when running the same test on ext4.
> 
> I have written up an article at
> http://joejulian.name/blog/glusterfs-bit-by-ext4-structure-change/

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