I did do this, and noting in particular stands out. I'll exercise it some more, and see if we can get something that will at least point in the proper direction. I suspect that another reboot of the affected machine will fix this condition - but it won't help me understand the root problem the next time this happens. Thanks, James -----Original Message----- From: Mohit Anchlia [mailto:mohitanchlia at gmail.com] Sent: Monday, March 21, 2011 12:40 PM To: Burnash, James Cc: gluster-users at gluster.org Subject: Re: What does this error mean? Can you turn on DEBUG and see if there is something that stands out? On Mon, Mar 21, 2011 at 9:34 AM, Burnash, James <jburnash at knight.com> wrote: > Does anybody have any clue as to why this is happening? The problem has persisted for several days now, but I can't find anything at all in the logs to possibly explain why this is so. > > -----Original Message----- > From: gluster-users-bounces at gluster.org [mailto:gluster-users-bounces at gluster.org] On Behalf Of Burnash, James > Sent: Wednesday, March 16, 2011 9:10 AM > To: gluster-users at gluster.org > Subject: [SPAM?] What does this error mean? > Importance: Low > > Hello. > > After purposely crashing (via ' echo b>/proc/sysrq-trigger ) node jc1letgfs6 to test mirroring, even after the node has rebooted and is back online I am still seeing the statement "Disconnected" for that node when I execute the following command on the first storage node: > > root at jc1letgfs5:/etc/glusterd/vols# gluster peer status > Number of Peers: 3 > > Hostname: jc1letgfs6 > Uuid: cd590fad-022c-4b9a-97f5-3262080d772d > State: Peer in Cluster (Disconnected) > > Hostname: jc1letgfs7 > Uuid: c5f40de4-9bb1-47ad-93b6-d52c6689ee29 > State: Peer in Cluster (Disconnected) > > Hostname: jc1letgfs8 > Uuid: 13f4ce3f-042e-4144-a76c-d2b1b91676bd > State: Peer in Cluster (Connected) > > This is running on 4 servers with CentOS 5.5 (x86_64), GlusterFS 3.1.1 > > Here is the volume info: > > # gluster volume info > > Volume Name: test-pfs-ro1 > Type: Distributed-Replicate > Status: Started > Number of Bricks: 4 x 2 = 8 > Transport-type: tcp > Bricks: > Brick1: jc1letgfs5:/export/read-only/g01 > Brick2: jc1letgfs6:/export/read-only/g01 > Brick3: jc1letgfs5:/export/read-only/g02 > Brick4: jc1letgfs6:/export/read-only/g02 > Brick5: jc1letgfs7:/export/read-only/g01 > Brick6: jc1letgfs8:/export/read-only/g01 > Brick7: jc1letgfs7:/export/read-only/g02 > Brick8: jc1letgfs8:/export/read-only/g02 > Options Reconfigured: > performance.stat-prefetch: on > performance.cache-size: 2GB > network.ping-timeout: 10 > > Even with this error, mirroring functions as expected, and the node is recognized and utilized, as can be seen in this log fragment from jc1letgfs5: /var/log/glusterfs/etc-glusterfs-glusterd.vol.log > > [2011-03-13 23:51:31.458329] E [socket.c:1656:socket_connect_finish] management: connection to 10.20.72.157:24007 failed (No route to ho > st) > [2011-03-13 23:53:49.42170] I [glusterd3_1-mops.c:172:glusterd3_1_friend_add_cbk] glusterd: Received ACC from uuid: cd590fad-022c-4b9a-9 > 7f5-3262080d772d, host: jc1letgfs6, port: 0 > [2011-03-13 23:53:49.42204] I [glusterd-utils.c:2062:glusterd_friend_find_by_uuid] glusterd: Friend found.. state: Peer in Cluster > [2011-03-13 23:53:49.42320] I [glusterd-utils.c:2062:glusterd_friend_find_by_uuid] glusterd: Friend found.. state: Peer in Cluster > [2011-03-13 23:53:49.42336] I [glusterd-handler.c:2267:glusterd_handle_friend_update] glusterd: Received friend update from uuid: cd590f > ad-022c-4b9a-97f5-3262080d772d > [2011-03-13 23:53:49.42359] I [glusterd-handler.c:2312:glusterd_handle_friend_update] : Received uuid: 95e1d79a-632a-4774-9d7e-a7234cb08 > 4ca, hostname:10.20.72.156 > [2011-03-13 23:53:49.42412] I [glusterd-handler.c:2315:glusterd_handle_friend_update] : Received my uuid as Friend > > > Any pointers or help would be appreciated. > > James Burnash, Unix Engineering > > > DISCLAIMER: > This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. 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