Re: [Gluster-devel] glusterfs on cluster

[Székelyi Szabolcs]

Albert Shih wrote:
> Hi all
> 
> I'm totaly newbie on glusterfs.
> 
> Well I've a cluster (for computation) (with ~30 nodes). On each node I've a
> free disk.
> 
> What's I want is to have a unify glusterfs (aggregation of all 30 nodes
> disk). 

[...]

> But now I want to unify two space and it's not working 
> 
> I made this configuration file 
> 
> ******************************88
> 
> volume noeud01
>   type protocol/client
>   option transport-type tcp/client     # for TCP/IP transport
>   option remote-host noeud01
>   option transport-timeout 30
>   option remote-subvolume brick
> end-volume
> volume noeud02
>   type protocol/client
>   option transport-type tcp/client     # for TCP/IP transport
>   option remote-host noeud02
>   option transport-timeout 30
>   option remote-subvolume brick
> end-volume
> volume unify
>   type cluster/unify
>   subvolumes noeud01 noeud02
> end-volume
> 
> and nothing happen when I'm try to mount this unify volume.
> 
> What's wrong ? 

To use unify, you need a namespace brick. You should use an AFR volume
for this.

You can also start glusterfs with logging enabled, for example

# glusterfs -f /etc/glusterfs/glusterfs-client.vol -l \
/tmp/glusterfs-debug.log -L DEBUG /mnt

and look near the end of the log file.

HTH,
--
Szabolcs