[Gluster-users] autofs problem

[Brent A Nelson]

3.0.6 also appears to have fixed the autofs problem.

Thanks,

Brent

On Wed, 20 Oct 2010, Brent A Nelson wrote:

> On Wed, 20 Oct 2010, Amar Tumballi wrote:
>
>> Brent,
>> 
>> Can you please try with 3.1.0 ? (if its a new setup)
>> 
>> I remember seeing this issue long back when I was fixing 'autofs' issues
>> with 3.0.x release, and fixing it. Let me recheck it again.
>> 
>> Regards,
>> Amar
>
> It's not a new setup, but I went ahead and created an extremely simple 
> Gluster share in 3.0.5, confirmed that it still had the autofs issue, and 
> then did the same for a little 3.1.0 test.
>
> 3.1.0 did not have an autofs problem in this quick test, but 3.0.5 did. So, 
> it does look like 3.1 includes a fix for this issue.
>
> This makes me wonder how hard it would be to migrate my existing 3.0 setup to 
> 3.1.  My volume specs predate volgen, although they are pretty much 
> straightforward distributed replicate volumes; would my existing backend data 
> be picked up okay if I created fresh 3.1 volumes but used my existing backend 
> data areas? Or would there be some extended attributes in the data areas that 
> might not match up with the new situation and cause problems?
>
> Thanks,
>
> Brent
>
>> 
>> On Wed, Oct 20, 2010 at 1:06 AM, Brent A Nelson <brent at phys.ufl.edu> wrote:
>> 
>>> I'm working on replacing my Ubuntu 8.04 desktops with Ubuntu 10.04, but
>>> I've hit a snag.  Automount hangs on glusterfs (tried 3.0.4 and 3.0.5) in
>>> the same manner as described on the RedHat Bugzilla:
>>> https://bugzilla.redhat.com/show_bug.cgi?id=603378
>>> 
>>> So, it's apparently a problem in Fedora, too.
>>> 
>>> It also looks like Phil Packer reported the same issue in February and
>>> perhaps the same issue was also reported by Christopher Nelson in May.
>>> 
>>> mount -t glusterfs ... works just fine by hand, but when autofs calls it,
>>> the result is 5 lingering processes: the mount command, the 
>>> mount.glusterfs
>>> command that it called, a glusterfs command, a zombie glusterfs, and then
>>> another glusterfs.  It seems clear that autofs only called the mount 
>>> command
>>> once, and mount.glusterfs seesmt o have only called glusterfs once, but
>>> glusterfs somehow failed and respawned a couple of times...
>>> 
>>> Is there a fix or workaround (other than to not use autofs)? Ubuntu 8.04
>>> doesn't seem to have this issue, although I have had some machines hang up
>>> eventually (with heavy computing/network use), and the symptoms seem to
>>> match a hung-up autofs, so it's possible a similar issue is present but 
>>> much
>>> more subtle...
>>> 
>>> Thanks,
>>> 
>>> Brent Nelson
>>> Director of Computing
>>> Dept. of Physics
>>> University of Florida
>>> _______________________________________________
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
>>> 
>> 
>