posix locking on OCFS2

[steve]

On 23/11/14 21:43, Michael Adam wrote:
> On 2014-11-23 at 21:30 +0100, steve wrote:
>> On 23/11/14 21:23, Michael Adam wrote:
>>> On 2014-11-23 at 18:23 +0000, Rowland Penny wrote:
>>>> All I want to do is get the documentation on the wiki updated correctly, so
>>>> that users can follow it and end up with the results they require.
>>>
>>> Right, but I think David was absolutely right in reverting
>>> your note on the wiki, since
>>> a) There was afaik no evidence/detail for ctdb not working on ocfs2.
>> What more evidence do you need?
>> 2014/07/11 08:18:28.865342 [set_recmode:27959]: ctdb_recovery_lock: Got
>> recovery lock on '/cluster/ctdb/lockfile'
>> 2014/07/11 08:18:28.871862 [set_recmode:27959]: ERROR: recovery lock
>> file /cluster/ctdb/lockfile not locked when recovering!
>
> That is no detailed evidence.
> We need to see the whole picture.
> If we don't know how your file system is configured
> it is just a black box and we can't imply anything
> from the message above.
>
> The first thing to test is the "ping_pong -rw" test.
> If that works and you still get the above error,
> I am inclinde to take a deeper look.
>
> Otherwise I'd still say there's probably a misconfiguration in
> your file system.
>
>> Chan has just reported the very same error.
>
> Ok, maybe the same maybe not. Not enough detail to really tell.
> So there are at least 2 problematic setups. Not a general
> statement of ctdb not working on ocfs2...
>
>>> b) The notice from the people that do run samba + ctdb + ocfs2
>>>     that it works as expected.
>> Where?
>
> E.g. David. I also heard from Jim McD. several years ago
> when OCFS2 started to work with ctdb.
>
>>> So, your effort to improve the wiki documentation is
>>> highly appreciated, Rowland, but in this case, I am
>>> afraid the change was premature.
>> We suggested someone added it in an effort to save others the time it takes
>> to realise something is wrong. He was right to add it to the wiki.
>
> Well, we can't just say on the wiki or elsewhere  that
> "ctdb does not work with ocfs2". This is simply not true.
> We can try to debug your setup. And maybe there is indeed
> a problem, or a bug. Them we can try to fix it.
>
>> Thanks,
>> José
>
> I am utterly confused. I thought I was talking to someone called
> "steve"... :-O
>
> Cheers - Michael
>
No need to be confused;)