The problem was solved by restarting the glusterd process on all gluster
peers.
Thanks to y4m4 on the Gluster Community forum for suggesting this solution.
Dmitry Kopelevich
Associate Professor
Chemical Engineering Department
University of Florida
Gainesville, FL 32611
Phone: (352)-392-4422
Fax: (352)-392-9513
E-mail: [email protected]
On 10/1/2011 9:55 AM, Dmitry Kopelevich wrote:
I cannot stop, delete, or shrink (i.e., remove bricks from) a
GlusterFS volume. I get an "operation failed" message when I try to do
it.
According to 'gluster peer status', all peers are connected. However,
I cannot add a new peer to the pool. When I issue the 'gluster peer
probe' command, the system does not issue any errors but the 'gluster
peer status' indicates that the new peer is disconnected (all old ones
are still connected).
The only clue regarding the cause of these problems that I was able to
find are the following messages in file
/var/log/glusterfs/etc-glusterfs-glusterd.vol.log:
[2011-09-28 20:50:12.128797] E
[glusterd-handler.c:1137:glusterd_handle_cli_stop_volume] 0-: Unable
to set cli op: 16
[2011-09-28 20:50:12.129604] W
[socket.c:1494:__socket_proto_state_machine] 0-socket.management:
reading from socket failed. Error (Transport endpoint is not
connected), peer (127.0.0.1:1008)
I am getting similar messages in response to the 'gluster volume
stop/delete/remove-brick' and 'gluster peer probe' commands.
It looks like the problem is caused by the "Transport endpoint is not
connected" error for a local host but I cannot figure out what is
causing this problem. Any suggestions would be greatly appreciated.
PS. The volume is a 16-brick distributed volume with infiniband
transport (one brick per node). The OS is CentOS 5.5.
--
Dmitry Kopelevich
Associate Professor
Chemical Engineering Department
University of Florida
Gainesville, FL 32611
Phone: (352)-392-4422
Fax: (352)-392-9513
E-mail: [email protected]
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