[Gluster-users] [Gluster-devel] Messup with peer status!!

Atin Mukherjee amukherj at redhat.com
Mon Mar 14 10:13:45 UTC 2016



On 03/14/2016 02:18 PM, ABHISHEK PALIWAL wrote:
> 
> 
> On Mon, Mar 14, 2016 at 12:12 PM, Atin Mukherjee <amukherj at redhat.com
> <mailto:amukherj at redhat.com>> wrote:
> 
> 
> 
>     On 03/14/2016 10:52 AM, ABHISHEK PALIWAL wrote:
>     > Hi Team,
>     >
>     > I am facing some issue with peer status and because of that remove-brick
>     > on replica volume is getting failed.
>     >
>     > Here. is the scenario what I am doing with gluster:
>     >
>     > 1. I have two boards A & B and gluster is running on both of the boards.
>     > 2. On  board I have created a replicated volume with one brick on each
>     > board.
>     > 3. Created one glusterfs mount point where both of brick are mounted.
>     > 4. start the volume with nfs.disable=true.
>     > 5. Till now everything is in sync between both of bricks.
>     >
>     > Now when I manually plug-out the board B from the slot and plug-in it again.
>     >
>     > 1. After bootup the board B I have started the glusted on the board B.
>     >
>     > Following are the some gluster command output on Board B after the step 1.
>     >
>     > # gluster peer status
>     > Number of Peers: 2
>     >
>     > Hostname: 10.32.0.48
>     > Uuid: f4ebe3c5-b6a4-4795-98e0-732337f76faf
>     > State: Accepted peer request (Connected)
>     >
>     > Hostname: 10.32.0.48
>     > Uuid: 4bf982c0-b21b-415c-b870-e72f36c7f2e7
>     > State: Peer is connected and Accepted (Connected)
>     >
>     > Why this peer status is showing two peer with different UUID?
>     GlusterD doesn't generate a new UUID on init if it has already generated
>     an UUID earlier. This clearly indicates that on reboot of board B
>     content of /var/lib/glusterd were wiped off. I've asked this question to
>     you multiple times that is it the case?
> 
> 
> Yes I am following the same which is mentioned in the link:
> 
> http://www.gluster.org/community/documentation/index.php/Resolving_Peer_Rejected
> 
> but why it is showing two peer enteries?
> 
>     >
>     > # gluster volume info
>     >
>     > Volume Name: c_glusterfs
>     > Type: Replicate
>     > Volume ID: c11f1f13-64a0-4aca-98b5-91d609a4a18d
>     > Status: Started
>     > Number of Bricks: 1 x 2 = 2
>     > Transport-type: tcp
>     > Bricks:
>     > Brick1: 10.32.0.48:/opt/lvmdir/c2/brick
>     > Brick2: 10.32.1.144:/opt/lvmdir/c2/brick
>     > Options Reconfigured:
>     > performance.readdir-ahead: on
>     > network.ping-timeout: 4
>     > nfs.disable: on
>     > # gluster volume heal c_glusterfs info
>     > c_glusterfs: Not able to fetch volfile from glusterd
>     > Volume heal failed.
>     > # gluster volume status c_glusterfs
>     > Status of volume: c_glusterfs
>     > Gluster process                             TCP Port  RDMA Port 
>     Online
>     > Pid
>     >
>     ------------------------------------------------------------------------------
>     >
>     > Brick 10.32.1.144:/opt/lvmdir/c2/brick      N/A       N/A        N
>     > N/A
>     > Self-heal Daemon on localhost               N/A       N/A        Y
>     > 3922
>     >
>     > Task Status of Volume c_glusterfs
>     >
>     ------------------------------------------------------------------------------
>     >
>     > There are no active volume tasks
>     > --
>     >
>     > At the same time Board A have the following gluster commands outcome:
>     >
>     > # gluster peer status
>     > Number of Peers: 1
>     >
>     > Hostname: 10.32.1.144
>     > Uuid: c6b64e36-76da-4e98-a616-48e0e52c7006
>     > State: Peer in Cluster (Connected)
>     >
>     > Why it is showing the older UUID of host 10.32.1.144 when this
>     UUID has
>     > been changed and new UUID is 267a92c3-fd28-4811-903c-c1d54854bda9
>     >
>     >
>     > # gluster volume heal c_glusterfs info
>     > c_glusterfs: Not able to fetch volfile from glusterd
>     > Volume heal failed.
>     > # gluster volume status c_glusterfs
>     > Status of volume: c_glusterfs
>     > Gluster process                             TCP Port  RDMA Port 
>     Online
>     > Pid
>     >
>     ------------------------------------------------------------------------------
>     >
>     > Brick 10.32.0.48:/opt/lvmdir/c2/brick       49169     0          Y
>     > 2427
>     > Brick 10.32.1.144:/opt/lvmdir/c2/brick      N/A       N/A        N
>     > N/A
>     > Self-heal Daemon on localhost               N/A       N/A        Y
>     > 3388
>     > Self-heal Daemon on 10.32.1.144             N/A       N/A        Y
>     > 3922
>     >
>     > Task Status of Volume c_glusterfs
>     >
>     ------------------------------------------------------------------------------
>     >
>     > There are no active volume tasks
>     >
>     > As you see in the "gluster volume status" showing that Brick
>     > "10.32.1.144:/opt/lvmdir/c2/brick " is offline so We have tried to
>     > remove it but getting "volume remove-brick c_glusterfs replica 1
>     > 10.32.1.144:/opt/lvmdir/c2/brick force : FAILED : Incorrect brick
>     > 10.32.1.144:/opt/lvmdir/c2/brick for volume c_glusterfs" error on the
>     > Board A.
>     >
>     > Please reply on this post because I am always getting this error
>     in this
>     > scenario.
>     >
>     > For more detail I am also adding the logs of both of the board which
>     > having some manual created file in which you can find the output of
>     > glulster command from both of the boards
>     >
>     > in logs
>     > 00030 is board A
>     > 00250 is board B.
>     This attachment doesn't help much. Could you attach full glusterd log
>     files from both the nodes?
>     >
> 
> inside this attachment you will found full glusterd log file
> 00300/glusterd/ and 002500/glusterd/
No, that contains the configuration files.
> 
>     > Thanks in advance waiting for the reply.
>     >
>     > Regards,
>     > Abhishek
>     >
>     >
>     > Regards
>     > Abhishek Paliwal
>     >
>     >
>     > _______________________________________________
>     > Gluster-devel mailing list
>     > Gluster-devel at gluster.org <mailto:Gluster-devel at gluster.org>
>     > http://www.gluster.org/mailman/listinfo/gluster-devel
>     >
> 
> 
> 
> 
> -- 
> 
> 
> 
> 
> Regards
> Abhishek Paliwal


More information about the Gluster-users mailing list