[ovirt-users] Cannot mount gluster storage data

[Jean-Michel FRANCOIS]

Hi Ovirt users,

I'm running ovirt hosted 3.4 with gluster data storage.
When I add a new host (Centos 6.6) the data storage (as a glsuterfs) 
cannot be mount.
I have the following errors in gluster client log file :
[2015-09-24 12:27:22.636221] I [MSGID: 101190] 
[event-epoll.c:632:event_dispatch_epoll_worker] 0-epoll: Started thread 
with index 1
[2015-09-24 12:27:22.636588] W [socket.c:588:__socket_rwv] 0-glusterfs: 
readv on 172.16.0.5:24007 failed (No data available)
[2015-09-24 12:27:22.637307] E [rpc-clnt.c:362:saved_frames_unwind] (--> 
/usr/lib64/libglusterfs.so.0(_gf_log_callingfn+0x1eb)[0x7f427fb3063b] 
(--> /usr/lib64/libgfrpc.so.0(saved_frames_unwind+0x1e7)[0x7f427f8fc1d7] 
(--> /usr/lib64/libgfrpc.so.0(saved_frames_destroy+0xe)[0x7f427f8fc2ee] 
(--> 
/usr/lib64/libgfrpc.so.0(rpc_clnt_connection_cleanup+0xab)[0x7f427f8fc3bb] 
(--> /usr/lib64/libgfrpc.so.0(rpc_clnt_notify+0x1c2)[0x7f427f8fc9f2] 
))))) 0-glusterfs: forced unwinding frame type(GlusterFS Handshake) 
op(GETSPEC(2)) called at 2015-09-24 12:27:22.636344 (xid=0x1)
[2015-09-24 12:27:22.637333] E [glusterfsd-mgmt.c:1604:mgmt_getspec_cbk] 
0-mgmt: failed to fetch volume file (key:/data)
[2015-09-24 12:27:22.637360] W [glusterfsd.c:1219:cleanup_and_exit] 
(-->/usr/lib64/libgfrpc.so.0(saved_frames_unwind+0x20e) [0x7f427f8fc1fe] 
-->/usr/sbin/glusterfs(mgmt_getspec_cbk+0x3f2) [0x40d5d2] 
-->/usr/sbin/glusterfs(cleanup_and_exit+0x65) [0x4059b5] ) 0-: received 
signum (0), shutting down
[2015-09-24 12:27:22.637375] I [fuse-bridge.c:5595:fini] 0-fuse: 
Unmounting '/rhev/data-center/mnt/glusterSD/172.16.0.5:_data'.
[2015-09-24 12:27:22.646246] W [glusterfsd.c:1219:cleanup_and_exit] 
(-->/lib64/libpthread.so.0(+0x7a51) [0x7f427ec18a51] 
-->/usr/sbin/glusterfs(glusterfs_sigwaiter+0xcd) [0x405e4d] 
-->/usr/sbin/glusterfs(cleanup_and_exit+0x65) [0x4059b5] ) 0-: received 
signum (15), shutting down
[2015-09-24 12:27:22.646246] W [glusterfsd.c:1219:cleanup_and_exit] 
(-->/lib64/libpthread.so.0(+0x7a51) [0x7f427ec18a51] 
-->/usr/sbin/glusterfs(glusterfs_sigwaiter+0xcd) [0x405e4d] 
-->/usr/sbin/glusterfs(cleanup_and_exit+0x65) [0x4059b5] ) 0-: received 
signum (15), shutting down
And nothing server side.

I suppose it is a version issue since on server side I have
glusterfs-api-3.6.3-1.el6.x86_64
glusterfs-fuse-3.6.3-1.el6.x86_64
glusterfs-libs-3.6.3-1.el6.x86_64
glusterfs-3.6.3-1.el6.x86_64
glusterfs-cli-3.6.3-1.el6.x86_64
glusterfs-rdma-3.6.3-1.el6.x86_64
glusterfs-server-3.6.3-1.el6.x86_64

and on the new host :
glusterfs-3.7.4-2.el6.x86_64
glusterfs-api-3.7.4-2.el6.x86_64
glusterfs-libs-3.7.4-2.el6.x86_64
glusterfs-fuse-3.7.4-2.el6.x86_64
glusterfs-cli-3.7.4-2.el6.x86_64
glusterfs-server-3.7.4-2.el6.x86_64
glusterfs-client-xlators-3.7.4-2.el6.x86_64
glusterfs-rdma-3.7.4-2.el6.x86_64

But since it is a production system, i'm not confident about performing 
gluster server upgrade.
Mounting a gluster volume as NFS is possible (the engine data storage 
has been mounted succesfully).

I'm asking here because glusterfs comes from the ovirt3.4 rpm repository.

If anyone have a hint to this problem

thanks
Jean-Michel

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