Preliminary success with OCFS2 and CTDB 2.5.4

[Richard Sharpe]

On Tue, Dec 2, 2014 at 1:38 PM, Richard Sharpe
<realrichardsharpe at gmail.com> wrote:
> Hi folks,
>
> Despite the vehement statements by some people on this list, I have
> gotten the ctdb ping_pong test to work with OCFS2 and CTDB 2.5.4 on
> CentOS 6.6.
>
> On one member:
>
>     [root at ocfs2-1 rsharpe]# ping_pong -rw /shared/ctdb/reclock 3
>     data increment = 1
>     ^C  3079 locks/sec
>     [root at ocfs2-1 rsharpe]# ping_pong -rw /shared/ctdb/reclock 3
>     data increment = 2
>     ^C   277 locks/sec
>
> One the other member:
>
>     [root at ocfs2-2 ~]# ping_pong -rw /shared/ctdb/reclock 3
>     data increment = 1
>     data increment = 2
>     data increment = 1
>     ^C  3150 locks/sec
>
> The last lock rate was after I stopped the ping_pong command on the
> first member. I was getting around 270 when ping_pong was running on
> both nodes.
>
> Do those locking rates look reasonable?

Further to my earlier email:

    [root at ocfs2-1 rsharpe]# ctdb status
    Number of nodes:2
    pnn:0 192.168.122.10   OK (THIS NODE)
    pnn:1 192.168.122.11   DISCONNECTED|UNHEALTHY|INACTIVE
    Generation:618266000
    Size:1
    hash:0 lmaster:0
    Recovery mode:NORMAL (0)
    Recovery master:0
    [root at ocfs2-1 rsharpe]# ctdb status
    Number of nodes:2
    pnn:0 192.168.122.10   OK (THIS NODE)
    pnn:1 192.168.122.11   UNHEALTHY
    Generation:618266000
    Size:1
    hash:0 lmaster:0
    Recovery mode:NORMAL (0)
    Recovery master:0
    [root at ocfs2-1 rsharpe]# ctdb status
    Number of nodes:2
    pnn:0 192.168.122.10   OK (THIS NODE)
    pnn:1 192.168.122.11   OK
    Generation:1054141258
    Size:2
    hash:0 lmaster:0
    hash:1 lmaster:1
    Recovery mode:NORMAL (0)
    Recovery master:0

Houston, we do NOT have a problem.

-- 
Regards,
Richard Sharpe
(何以解憂？唯有杜康。--曹操)