[Gluster-users] Issues with SSL connections

[tommy.yardley at baesystems.com]

Hi all,

I posted earlier concerning rolling back on the version of gluster we are using.

After being successful in doing so I've come to realise the issue we were facing may not have been introduced by the latest versions of gluster but are instead an issue with configuration.

We haven't changed how we were installing and setting up glusterFS but recently we are having issues with SSL, NFS and in turn the log file filling up the root partition.

I've attached some relevant extracts from logs below of the issue we are facing (some may not be relevant) - I haven't been able to find anything in the mailing list that solves the issue.


>From glusterd log:

```
[2016-07-20 10:25:31.700017] I [rpc-clnt.c:1004:rpc_clnt_connection_init] 0-snapd: setting frame-timeout to 600
[2016-07-20 10:25:31.700076] I [socket.c:3927:socket_init] 0-snapd: SSL support for glusterd is ENABLED
[2016-07-20 10:25:31.700191] E [socket.c:4005:socket_init] 0-snapd: failed to open /etc/ssl/dhparam.pem, DH ciphers are disabled
```
```
[2016-07-20 10:25:31.742672] W [socket.c:589:__socket_rwv] 0-socket.management: writev on 127.0.0.1:65510 failed (No data available)
[2016-07-20 10:25:31.742715] E [socket.c:2497:socket_poller] 0-socket.management: poll error on socket
```
```
[2016-07-20 10:25:31.777638] I [MSGID: 106502] [glusterd-handler.c:2821:__glusterd_handle_friend_update] 0-management: Received my uuid as Friend
[2016-07-20 10:25:31.777925] I [MSGID: 106006] [glusterd-svc-mgmt.c:323:glusterd_svc_common_rpc_notify] 0-management: nfs has disconnected from glusterd.
[2016-07-20 10:25:31.777974] I [MSGID: 106006] [glusterd-svc-mgmt.c:323:glusterd_svc_common_rpc_notify] 0-management: glustershd has disconnected from glusterd.
[2016-07-20 10:25:31.778527] E [socket.c:2502:socket_poller] 0-socket.management: error in polling loop
```
And then the following streams and fills up the log file ~GBs in the matter of hours
```
[2016-07-20 10:25:31.865991] E [socket.c:2502:socket_poller] 0-socket.management: error in polling loop
[2016-07-20 10:25:32.670678] E [socket.c:352:ssl_setup_connection] 0-socket.management: SSL connect error
[2016-07-20 10:25:32.670726] E [socket.c:206:ssl_dump_error_stack] 0-socket.management:   error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number
[2016-07-20 10:25:32.670744] E [socket.c:2389:socket_poller] 0-socket.management: server setup failed
[2016-07-20 10:25:34.217120] I [MSGID: 106006] [glusterd-svc-mgmt.c:323:glusterd_svc_common_rpc_notify] 0-management: nfs has disconnected from glusterd.
[2016-07-20 10:25:34.301599] I [socket.c:347:ssl_setup_connection] 0-socket.management: peer CN = ip-172-31-169-227
[2016-07-20 10:25:34.303179] E [socket.c:2502:socket_poller] 0-socket.management: error in polling loop
[2016-07-20 10:25:34.378333] I [socket.c:347:ssl_setup_connection] 0-socket.management: peer CN = ip-172-31-169-165
[2016-07-20 10:25:34.379965] E [socket.c:2502:socket_poller] 0-socket.management: error in polling loop
[2016-07-20 10:25:35.389754] I [socket.c:347:ssl_setup_connection] 0-socket.management: peer CN = ip-172-31-169-65
[2016-07-20 10:25:35.390996] E [socket.c:2502:socket_poller] 0-socket.management: error in polling loop
[2016-07-20 10:25:35.642357] I [socket.c:347:ssl_setup_connection] 0-socket.management: peer CN = ip-172-31-169-59
[2016-07-20 10:25:35.642815] E [socket.c:2502:socket_poller] 0-socket.management: error in polling loop
[2016-07-20 10:25:35.671336] E [socket.c:352:ssl_setup_connection] 0-socket.management: SSL connect error
[2016-07-20 10:25:35.671376] E [socket.c:206:ssl_dump_error_stack] 0-socket.management:   error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number
```

I have also attached nfs.log and glustershd.log

Thanks in advance for all the help!
Tommy
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