[GEDI] Strange data corruption issue with gluster (libgfapi) and ZFS

Kevin Wolf kwolf at redhat.com
Fri Feb 28 12:56:05 UTC 2020

Am 28.02.2020 um 13:50 hat Stefan Ring geschrieben:
> On Fri, Feb 28, 2020 at 12:41 PM Stefan Ring <stefanrin at gmail.com> wrote:
> >
> > On Fri, Feb 28, 2020 at 12:10 PM Kevin Wolf <kwolf at redhat.com> wrote:
> > >
> > > This sounds almost like two other bugs we got fixed recently (in the
> > > QEMU file-posix driver and in the XFS kernel driver) where two write
> > > extending the file size were in flight in parallel, but if the shorter
> > > one completed last, instead extending the file, it would end up
> > > truncating it.
> >
> > Hmm, XFS is used on the gluster server, with a CentOS 7 kernel. I can
> > switch to ext4 and check if it changes anything.
> The same thing happens on ext4.

I actually just meant that gluster might have a similar bug because it
seems to be something that's easy to get wrong if it already happened

But it's good to know that we're not hitting this specific XFS bug then.


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