Re: Can't start geo-replication with version 3.6.3

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I am only allowing port 22 inbound on the slave server , I thought that the traffic would be tunnelled over ssh, is this not the case ?

Thanks

J.


On Fri, Jul 3, 2015 at 12:09 PM, M S Vishwanath Bhat <msvbhat@xxxxxxxxx> wrote:


On 3 July 2015 at 15:54, John Ewing <johnewing1@xxxxxxxxx> wrote:
Hi Vishwanath,

The slave volume is definitely started

[root@ip-192-168-4-55 ~]# gluster volume start myvol start
volume start: myvol: failed: Volume myvol already started

IIRC geo-rep create first tries to mount the slave volume in master in some temporary location.

Can you try mounting the slave in master once manually? If the mount doesn't work, there might some firewall restrictions in the slave volume? Can you please check that as well?

Hope it helps...

Best Regards,
Vishwanath


[root@ip-192-168-4-55 ~]# gluster volume status
Status of volume: myvol
Gluster process                                         Port    Online  Pid
------------------------------------------------------------------------------
Brick 192.168.4.55:/export/xvdb1/brick                  49152   Y       9972
NFS Server on localhost                                 2049    Y       12238

Task Status of Volume myvol
------------------------------------------------------------------------------
There are no active volume tasks


Anyone have any debugging suggestions ?

Thanks

John.

On Thu, Jul 2, 2015 at 8:46 PM, M S Vishwanath Bhat <msvbhat@xxxxxxxxx> wrote:


On 2 July 2015 at 21:33, John Ewing <johnewing1@xxxxxxxxx> wrote:
Hi,

I'm trying to build a new geo-replicated cluster using Centos 6.6 and Gluster 3.6.3

I've got as far creating a replicated volume with two peers on site, and a slave volume in EC2.

I've set up passwordless ssh from one of the pair to the slave server, and I've run  

gluster system:: execute gsec_create


When I try and create the geo-replication relationship between the servers I get:


gluster volume geo-replication myvol X.X.X.X::myvol create  push-pem force
 
 Unable to fetch slave volume details. Please check the slave cluster and slave volume.
 geo-replication command failed

I remember seeing this error when the slave volume is either not created or not started or not present in your x.x.x.x host.

Can you check if the slave volume is started?

Best Regards,
Vishwanath
 


The geo-replication-slaves log file from the master looks like this


[2015-07-02 15:13:37.324823] I [rpc-clnt.c:1761:rpc_clnt_reconfig] 0-myvol-client-0: changing port to 49152 (from 0)
[2015-07-02 15:13:37.334874] I [client-handshake.c:1413:select_server_supported_programs] 0-myvol-client-0: Using Program GlusterFS 3.3, Num (1298437), Version (330)
[2015-07-02 15:13:37.335419] I [client-handshake.c:1200:client_setvolume_cbk] 0-myvol-client-0: Connected to myvol-client-0, attached to remote volume '/export/sdb1/brick,'.
[2015-07-02 15:13:37.335493] I [client-handshake.c:1210:client_setvolume_cbk] 0-myvol-client-0: Server and Client lk-version numbers are not same, reopening the fds
[2015-07-02 15:13:37.336050] I [MSGID: 108005] [afr-common.c:3669:afr_notify] 0-myvol-replicate-0: Subvolume 'myvol-client-0' came back up; going online.
[2015-07-02 15:13:37.336170] I [rpc-clnt.c:1761:rpc_clnt_reconfig] 0-myvol-client-1: changing port to 49152 (from 0)
[2015-07-02 15:13:37.336298] I [client-handshake.c:188:client_set_lk_version_cbk] 0-myvol-client-0: Server lk version = 1
[2015-07-02 15:13:37.343247] I [client-handshake.c:1413:select_server_supported_programs] 0-myvol-client-1: Using Program GlusterFS 3.3, Num (1298437), Version (330)
[2015-07-02 15:13:37.343964] I [client-handshake.c:1200:client_setvolume_cbk] 0-myvol-client-1: Connected to myvol-client-1, attached to remote volume '/export/sdb1/brick'.
[2015-07-02 15:13:37.344043] I [client-handshake.c:1210:client_setvolume_cbk] 0-myvol-client-1: Server and Client lk-version numbers are not same, reopening the fds
[2015-07-02 15:13:37.351151] I [fuse-bridge.c:5080:fuse_graph_setup] 0-fuse: switched to graph 0
[2015-07-02 15:13:37.351491] I [client-handshake.c:188:client_set_lk_version_cbk] 0-myvol-client-1: Server lk version = 1
[2015-07-02 15:13:37.352078] I [fuse-bridge.c:4009:fuse_init] 0-glusterfs-fuse: FUSE inited with protocol versions: glusterfs 7.22 kernel 7.14
[2015-07-02 15:13:37.355056] I [afr-common.c:1477:afr_local_discovery_cbk] 0-myvol-replicate-0: selecting local read_child myvol-client-0
[2015-07-02 15:13:37.396403] I [fuse-bridge.c:4921:fuse_thread_proc] 0-fuse: unmounting /tmp/tmp.NPixVv7xk9
[2015-07-02 15:13:37.396922] W [glusterfsd.c:1194:cleanup_and_exit] (--> 0-: received signum (15), shutting down
[2015-07-02 15:13:37.396970] I [fuse-bridge.c:5599:fini] 0-fuse: Unmounting '/tmp/tmp.NPixVv7xk9'.
[2015-07-02 15:13:37.412584] I [MSGID: 100030] [glusterfsd.c:2018:main] 0-glusterfs: Started running glusterfs version 3.6.3 (args: glusterfs --xlator-option=*dht.lookup-unhashed=off --volfile-server X.X.X.X --volfile-id myvol -l /var/log/glusterfs/geo-replication-slaves/slave.log /tmp/tmp.am6rnOYxE7)
[2015-07-02 15:14:40.423812] E [socket.c:2276:socket_connect_finish] 0-glusterfs: connection to X.X.X.X:24007 failed (Connection timed out)
[2015-07-02 15:14:40.424077] E [glusterfsd-mgmt.c:1811:mgmt_rpc_notify] 0-glusterfsd-mgmt: failed to connect with remote-host: X.X.X.X (Transport endpoint is not connected)
[2015-07-02 15:14:40.424119] I [glusterfsd-mgmt.c:1817:mgmt_rpc_notify] 0-glusterfsd-mgmt: Exhausted all volfile servers
[2015-07-02 15:14:40.424557] W [glusterfsd.c:1194:cleanup_and_exit] (--> 0-: received signum (1), shutting down
[2015-07-02 15:14:40.424626] I [fuse-bridge.c:5599:fini] 0-fuse: Unmounting '/tmp/tmp.am6rnOYxE7'.


I'm confused by the error message about not being able to connect to the slave on port 24007. Should it not be connecting over ssh ?

Thanks

John.

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