Re: Gluster 3.6.4 peer rejected while doing probe

Davy Croonen <davy.croonen@xxxxxxxxxxx> · Fri, 11 Sep 2015 11:20:22 +0000

Thanks for your quick respons.

As reported in the log the checksums are indeed not the same. On gfs01a-dcg it is 'info=1266454712’ and on gfs02a-dcg it is 'info=2613085848’. Of course my next question is how can I fix this?

I already tried by stopping the gluster daemon on gfs02a-dcg, deleting the entire vols directory and starting the gluster daemon again. On the gfs01a-dcg host I now did a gluster peer status which shows:

Hostname: gfs02a-dcg.intnet.be
Uuid: 29592d5b-242b-43b5-afc5-5f9a1496d59f
State: Peer in Cluster (Connected)

But, the checksum of the public volume is still not the same on gfs01a-dcg and gfs02a-dcg and also running a gluster peer status on gfs01b-dcg (the replica of gfs01a-dcg) gives me:

Hostname: gfs02a-dcg.intnet.be
Uuid: 29592d5b-242b-43b5-afc5-5f9a1496d59f
State: Peer Rejected (Connected)

So my question remains any way to fix this?

Kind regards

Davy

On 11 Sep 2015, at 12:39, Mohammed Rafi K C <rkavunga@xxxxxxxxxx> wrote:

Can you check the checksum of the volume "public" in both of the current nodes. Checksums are located in (/var/lib/glusterd/vols/public/cksum).

Regards

Rafi KC

On 09/11/2015 03:24 PM, Davy Croonen wrote:

Hi all

We have a production cluster with 2 nodes (gfs01a and gfs01b) in a distributed replicate setup with glusterfs 3.6.4. We want to expand the volume with 2 extra nodes (gfs02a and gfs02b) because we are running out of diskspace. Therefor we deployed
 2 extra nodes with glusterfs 3.6.4.

Now, while probing the 2 new nodes from a node in the existing cluster we got the following error:

root@gfs01a-dcg:~# gluster peer probe 
gfs02a-dcg.intnet.be
peer probe: success.
root@gfs01a-dcg:~# gluster peer status
Number of Peers: 2

Hostname: 
gfs01b-dcg.intnet.be
Uuid: cfc83cf2-b719-40c7-afea-b23accc714c3
State: Peer in Cluster (Connected)

Hostname: 
gfs02a-dcg.intnet.be
Uuid: 29592d5b-242b-43b5-afc5-5f9a1496d59f
State: Peer Rejected (Connected)

In the log file /var/log/glusterfs/etc-glusterfs-glusterd.vol.log the following entries are written:

[2015-09-11 09:37:49.405906] I [glusterd-handler.c:1031:__glusterd_handle_cli_probe] 0-glusterd: Received CLI probe req
gfs02a-dcg.intnet.be 24007
[2015-09-11 09:37:49.428630] I [glusterd-handler.c:3198:glusterd_probe_begin] 0-glusterd: Unable to find peerinfo for host:
gfs02a-dcg.intnet.be (24007)
[2015-09-11 09:37:49.438636] I [rpc-clnt.c:969:rpc_clnt_connection_init] 0-management: setting frame-timeout to 600
[2015-09-11 09:37:49.440513] I [glusterd-handler.c:3131:glusterd_friend_add] 0-management: connect returned 0
[2015-09-11 09:37:49.474316] I [glusterd-rpc-ops.c:245:__glusterd_probe_cbk] 0-management: Received probe resp from uuid: 29592d5b-242b-43b5-afc5-5f9a1496d59f, host:
gfs02a-dcg.intnet.be
[2015-09-11 09:37:49.481801] I [glusterd-rpc-ops.c:387:__glusterd_probe_cbk] 0-glusterd: Received resp to probe req
[2015-09-11 09:37:51.650265] I [glusterd-rpc-ops.c:437:__glusterd_friend_add_cbk] 0-glusterd: Received ACC from uuid: 29592d5b-242b-43b5-afc5-5f9a1496d59f, host:
gfs02a-dcg.intnet.be, port: 0
[2015-09-11 09:37:51.665861] I [glusterd-handshake.c:1119:__glusterd_mgmt_hndsk_versions_ack] 0-management: using the op-version 30603
[2015-09-11 09:37:51.690170] I [glusterd-handler.c:2543:__glusterd_handle_probe_query] 0-glusterd: Received probe from uuid: 29592d5b-242b-43b5-afc5-5f9a1496d59f
[2015-09-11 09:37:51.692652] I [glusterd-handler.c:2595:__glusterd_handle_probe_query] 0-glusterd: Responded to
gfs02a-dcg.intnet.be, op_ret: 0, op_errno: 0, ret: 0
[2015-09-11 09:37:51.706203] I [glusterd-handler.c:2232:__glusterd_handle_incoming_friend_req] 0-glusterd: Received probe from uuid: 29592d5b-242b-43b5-afc5-5f9a1496d59f
[2015-09-11 09:37:51.708909] E [MSGID: 106010] [glusterd-utils.c:3297:glusterd_compare_friend_volume] 0-management: Version of Cksums public differ. local cksum = 1932535021, remote cksum = 2474653383 on peer
gfs02a-dcg.intnet.be
[2015-09-11 09:37:51.709026] I [glusterd-handler.c:3367:glusterd_xfer_friend_add_resp] 0-glusterd: Responded to
gfs02a-dcg.intnet.be (0), ret: 0
[2015-09-11 09:37:55.537231] I [glusterd-handler.c:1241:__glusterd_handle_cli_list_friends] 0-glusterd: Received cli list req

The exact same error appears while probing the second node (gfs02b).

Anyone any idea how to solve this?

Thanks in advance.

Kind regards
Davy

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