[Gluster-devel] bug with TLA 313?

[Anand Avati]

Brent,
very interesting diagnosis! is it possible for you to re-create the 'posix
only' setup (no server/client) and again do 'strace ls -ial /beast' ? we are
not able to reproduce this error at our setup.

thanks
avati

2007/7/17, Brent A Nelson <brent at phys.ufl.edu>:
>
> Just a quick note that this doesn't seem to be any sort of corruption
> issue.  I completely emptied all my shares (even removing lost+found) and
> my namespace and rsynced the corresponding AFR shares and namespace.  The
> only thing different between the AFRs would be ctimes.
>
> I restarted everything, and did:
> ls -al /beast
> ls: /beast: File exists
> ls: /beast/.: File exists
> total 8
> drwxr-xr-x  2 root root 4096 2007-07-17 09:27 .
> drwxr-xr-x 27 root root 4096 2007-07-02 10:18 ..
>
> I also tried disabling readahead and writebehind (my only performance
> translators).  It didn't help.  Changing the unify from alu to rr also
> didn't help.
>
> I then tried "glusterfs -f /etc/glusterfs/beast -n mirror0 /beast" to
> mount a single AFR, no unify.  It STILL produces the same messages.
>
> I then tried "glusterfs -f /etc/glusterfs/beast -n share0-0 /beast" to
> mount a simple, single share used as half of an AFR.  Same issue.
>
> I then stripped down a server to serve out one single storage/posix share,
> with no posix locks (I wasn't using any other translators on the server
> side, apart from protocol/server, of course).  I mounted that share as in
> the previous attempt.  No difference!
>
> So, this issue occurs even with just protocol/client, protocol/server, and
> storage/posix in use.  As barebones as you can get.  Almost.
>
> One more try.  No glusterfsd, and glusterfs accesses a single
> storage/posix directly:
>
> ls -al /beast
> ls: /beast: File exists
> ls: /beast/.: File exists
> total 8
> drwxr-xr-x  2 root root 4096 2007-07-17 09:27 .
> drwxr-xr-x 27 root root 4096 2007-07-02 10:18 ..
>
> No difference, even with just glusterfs directly accessing a single, local
> storage/posix, with no other translators.  Spec is simply:
>
> volume share0
>    type storage/posix                   # POSIX FS translator
>    option directory /share0             # Export this directory
> end-volume
>
> Ubuntu Feisty, Fuse 2.6.3.
>
> Any ideas?
>
> Thanks,
>
> Brent
>
>
> On Sat, 14 Jul 2007, Brent A Nelson wrote:
>
> > It's the same spec I was using previously (AFRed namespace cache,
> unified
> > AFRs spread across four servers, posix-locks, readahead, and
> writebehind).
> > It's not just the top-level directory; it's everywhere.
> >
> > Thanks,
> >
> > Brent
> >
> > On Sat, 14 Jul 2007, Anand Avati wrote:
> >
> >> Brent,
> >> this is strange, we are having patch-313 work pretty smooth so far. are
> >> there any changes in your spec? is this behaviour seen only in this
> >> particular directory or 'anywhere' in general? please attach your spec
> so
> >> that we can try to reproduce it in our labs.
> >>
> >> thanks,
> >> avati
> >>
> >> 2007/7/14, Brent A Nelson <brent at phys.ufl.edu>:
> >>>
> >>> Updating to the latest TLA patch, I got odd issues just with "ls":
> >>>
> >>> Example:
> >>>
> >>> ls -al /beast/
> >>> ls: /beast/: No such file or directory
> >>> ls: /beast/.: No such file or directory
> >>> ls: /beast/lost+found: No such file or directory
> >>> ls: /beast/usr0: No such file or directory
> >>> ls: /beast/usr: No such file or directory
> >>> total 32
> >>> drwxr-xr-x  5 root root  4096 2007-07-13 16:18 .
> >>> drwxr-xr-x 27 root root  4096 2007-06-25 18:34 ..
> >>> drwx------  2 root root 16384 2007-06-25 17:08 lost+found
> >>> drwxr-xr-x 10 root root  4096 2007-06-18 13:31 usr
> >>> drwxr-xr-x 10 root root  4096 2007-06-18 13:31 usr0
> >>>
> >>> I have one machine that is no longer returning from an "ls".  I get
> other
> >>> messages sometimes, not just "No such file or directory", but also
> "Bad
> >>> file descriptor" or even "File exists".  These extraneous messages are
> >>> also occurring when copying from the GlusterFS to the GlusterFS.  The
> >>> files and directories mentioned do, in fact, exist, no matter what the
> >>> extraneous error message says.
> >>>
> >>> Is there a known issue with the current patchset?
> >>>
> >>> Thanks,
> >>>
> >>> Brent
> >>>
> >>>
> >>> _______________________________________________
> >>> Gluster-devel mailing list
> >>> Gluster-devel at nongnu.org
> >>> http://lists.nongnu.org/mailman/listinfo/gluster-devel
> >>>
> >>
> >>
> >>
> >> --
> >> Anand V. Avati
> >>
> >
>



-- 
Anand V. Avati