[Gluster-users] Lock error with mysql over gluster

Martí­n Eduardo Bradaschia martin.bradaschia at intercomgi.net
Tue Apr 6 17:00:39 UTC 2010


Amar, Christopher:

Thanx for your replies. I installed 3.0.3 and is working ok for the last 
2 weeks !



Amar Tumballi escribió:
>
>     volume locks1
>     type features/locks
>
>     whereas you have
>     > volume locks1
>     > type features/posix-locks
>
>     Perhaps try 3.x version? Looks like there have been some changes
>     made to locking. Not sure how 'posix-locks' became 'locks' but
>     clearly something is updated. I am not using DHT but that probably
>     should not matter for locks.
>
>
> To makes things clear about how glusterfs understand 'type' of a 
> volume defined in the vol file.
>
> GlusterFS does try to open a shared library file located at 
> "${XLATOR_DIR}/<given/type/in-vol-file>.so". Now, if you look at the 
> directory '${XLATOR_DIR}/features/', you can find that posix-locks.so 
> is a symlink to 'locks.so'. Hence they both are actually same library 
> (ie, same type in volume file).
>
> Other symlinks used are
>
> cluster/dht -> cluster/distribute
> cluster/afr  -> cluster/replicate
>
> -----
>
> Now coming to locks issues, yes, we did fix some issues with 'flock()' 
> in recent 3.0.x version. Please use 3.0.2+ version, and let us know 
> how it goes.
>
>
> Regards,
> Amar
>
>


-- 
Martin Eduardo Bradaschia
Intercomgi Argentina 
 



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