Re: Two-node cluster GFS2 confusing

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The clustering will only works if you enable ssl between two nodes and allow root access persistent connection.

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From: Le Trung Kien <kienlt@xxxxxxxxxxxxx>;
To: linux clustering <linux-cluster@xxxxxxxxxx>;
Subject: Re: Two-node cluster GFS2 confusing
Sent: Tue, Jun 17, 2014 4:16:50 PM

Sorry, I reformat my log to easy for reading:


Jun 17 22:32:36 server2 fenced[6559]: fenced 3.0.12.1 started

Jun 17 22:32:36 server2 dlm_controld[6573]: dlm_controld 3.0.12.1 started

Jun 17 22:32:37 server2 gfs_controld[6634]: gfs_controld 3.0.12.1 started

Jun 17 22:33:29 server2 fenced[6559]: fencing node server1

Jun 17 22:33:29 server2 fenced[6559]: fence server1 dev 0.0 agent none result: error config agent

Jun 17 22:33:29 server2 fenced[6559]: fence server1 failed

Jun 17 22:33:32 server2 fenced[6559]: fencing node server1

Jun 17 22:33:32 server2 fenced[6559]: fence server1 dev 0.0 agent none result: error config agent

Jun 17 22:33:32 server2 fenced[6559]: fence server1 failed

Jun 17 22:33:35 server2 fenced[6559]: fencing node server1

Jun 17 22:33:35 server2 fenced[6559]: fence server1 dev 0.0 agent none result: error config agent

Jun 17 22:33:35 server2 fenced[6559]: fence server1 failed


-----Original Message-----
From: linux-cluster-bounces@xxxxxxxxxx [mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of Le Trung Kien
Sent: Tuesday, June 17, 2014 10:49 PM
To: linux clustering
Subject: Re: Two-node cluster GFS2 confusing

I reproduced my cluster problem again and got this error from /var/log/message

So, I think the reason is fencing wrongly configured. And I may have to focus on Configure Fencing Device.

Here is my log:

Jun 17 22:32:36 server2 fenced[6559]: fenced 3.0.12.1 started Jun 17 22:32:36 server2 dlm_controld[6573]: dlm_controld 3.0.12.1 started Jun 17 22:32:37 server2 gfs_controld[6634]: gfs_controld 3.0.12.1 started Jun 17 22:33:29 server2 fenced[6559]: fencing node server1 Jun 17 22:33:29 server2 fenced[6559]: fence server1 dev 0.0 agent none result: error config agent Jun 17 22:33:29 server2 fenced[6559]: fence server1 failed Jun 17 22:33:32 server2 fenced[6559]: fencing node server1 Jun 17 22:33:32 server2 fenced[6559]: fence server1 dev 0.0 agent none result: error config agent Jun 17 22:33:32 server2 fenced[6559]: fence server1 failed Jun 17 22:33:35 server2 fenced[6559]: fencing node server1 Jun 17 22:33:35 server2 fenced[6559]: fence server1 dev 0.0 agent none result: error config agent Jun 17 22:33:35 server2 fenced[6559]: fence server1 failed

-----Original Message-----
From: linux-cluster-bounces@xxxxxxxxxx [mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of Bob Peterson
Sent: Tuesday, June 17, 2014 7:09 PM
To: linux clustering
Subject: Re: Two-node cluster GFS2 confusing

----- Original Message -----
> Hi, here is my dmesg after failed:
>
> GFS2: fsid=: Trying to join cluster "lock_dlm", "mycluster:web"
> dlm: Using TCP for communications
> GFS2: fsid=mycluster:web.0: Joined cluster. Now mounting FS...
> GFS2: fsid=mycluster:web.0: jid=0, already locked for use
> GFS2: fsid=mycluster:web.0: jid=0: Looking at journal...
> GFS2: fsid=mycluster:web.0: jid=0: Acquiring the transaction lock...
> GFS2: fsid=mycluster:web.0: jid=0: Replaying journal...
> GFS2: fsid=mycluster:web.0: jid=0: Replayed 1 of 1 blocks
> GFS2: fsid=mycluster:web.0: jid=0: Found 0 revoke tags
> GFS2: fsid=mycluster:web.0: jid=0: Journal replayed in 1s
> GFS2: fsid=mycluster:web.0: jid=0: Done
> GFS2: fsid=mycluster:web.0: jid=1: Trying to acquire journal lock...
> GFS2: fsid=mycluster:web.0: jid=1: Looking at journal...
> GFS2: fsid=mycluster:web.0: jid=1: Done
> hrtimer: interrupt took 4149483 ns
> dlm: closing connection to node 2
> dlm: closing connection to node 1
> GFS2: fsid=: Trying to join cluster "lock_dlm", "mycluster:web"
> dlm: Using TCP for communications
>

Hi,

If there was a GFS2 problem, you would ordinarily see errors there, and these messages are all pretty normal.

Regards,

Bob Peterson
Red Hat File Systems

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