To: gluster-users@xxxxxxxxxxx
Sent: Thursday, April 30, 2015 2:55:37 AM
Subject: VM hangs when one of the glusterfs server started
Hello guys
I’ve encountered a problem, i have a glusterfs cluster of 3 servers, 1 volume,which is a replicate volume:
[root@sy-host-1 ~]# gluster v info
Volume Name: img
Type: Replicate
Volume ID: 93e23097-1899-4396-9fca-cf592f4c7a25
Status: Started
Number of Bricks: 1 x 3 = 3
Transport-type: tcp
Bricks:
Brick1: 192.168.60.13:/ytxt/glusterfs
Brick2: 192.168.60.14:/ytxt/glusterfs
Brick3: 192.168.60.15:/ytxt/glusterfs
The volume is used as a shared filesystem for kvm, but when i was doing some maintenance work on one of the servers, say, sy-host-2, i stopped glusterd daemon, after the maintenance work done , i started glusterd daemon, but as soon as the process was up, some of the vm was hanging, can not ssh to the vm. I was thinking if there was something to do with glusterd daemon,so i tried to stop the daemon just started, bang~~, everything was back to normal
As soon as sy-host-2 started the glusterd daemon, sy-host-1 showed up something in the log(/var/log/glusterfs/glusterd.log):
[2015-04-28 06:08:35.342054] E [client-handshake.c:1496:client_query_portmap_cbk] 0-img-client-1: failed to get the port number for remote subvolume. Please run 'gluster volume status' on server to see if brick process is running.
[2015-04-28 06:08:35.342223] I [client.c:2215:client_rpc_notify] 0-img-client-1: disconnected from img-client-1. Client process will keep trying to connect to glusterd until brick's port is available
I ran the command “gluster volume status” on sy-host-2, nothing but normal
Any help is great appreciated
--
Jay
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