[Gluster-users] The continuing story ...

[David Saez Padros]

Hi

It also hangs if there is no glusterfs server available

> We have logged the bug at
> http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=272
> 
> You can track the progress there.
> 
> Basically, when backend FS hangs because of lockups further access to
> that FS from the glusterfs mount point will return error (instead of
> hanging).
> 
> Thanks
> Krishna
> 
> On Mon, Sep 7, 2009 at 8:16 PM, Stephan von Krawczynski
> <skraw at ithnet.com> wrote:
>> Hello all,
>>
>> last week we saw our first try to enable something like a real-world
>> environment on glusterfs fail.
>> Nevertheless we managed to get a working combination of _one_ server and _one_
>> client (using a replicate setup with a missing second server).
>> This setup worked for about 4 days, so yesterday we tried to enable the second
>> server. Within minutes the first one crashed. Well, really we do not know if
>> it crashed in its true meaning, the situation looked like this:
>> - server was ping'able
>> - glusterfsd was disconnected by the client because of missing ping-pong
>> - no login possible
>> - no fs action (no lights on the hd-stack)
>> - no screen (was blank, stayed blank)
>>
>> This could also be a user-space hang or cpu busy/looping. We don't know.
>> The really interesting part is that the server worked for days being single,
>> but as soon as dual server fs action (obviously in combination with self
>> healing) started it did not survive 10 minutes.
>> Of course the second server went on, but we had to stop the whole thing
>> because the data was not completely healed, so it made no sense to go on with
>> old copies.
>> This was glusterfs 2.0.6 with a minimal server setup (storage/posix,
>> features/locks, performance/io-threads) on a linux kernel 2.6.25.2.
>> Is there someone out there that experienced something the like?
>> Any ideas?
>>
>> --
>> Regards,
>> Stephan
>>
>> _______________________________________________
>> Gluster-users mailing list
>> Gluster-users at gluster.org
>> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
>>
> _______________________________________________
> Gluster-users mailing list
> Gluster-users at gluster.org
> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
> 

-- 
Salu-2 y hasta pronto ...

----------------------------------------------------------------
    David Saez Padros                http://www.ols.es
    On-Line Services 2000 S.L.       telf    +34 902 50 29 75
----------------------------------------------------------------