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From: Chrissie Caulfield <ccaulfie@redhat.com>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] unfencing (cman startup)
Date: Fri, 27 Feb 2009 16:27:18 +0000	[thread overview]
Message-ID: <49A81466.8090403@redhat.com> (raw)
In-Reply-To: <20090227155209.GB1181@redhat.com>

David Teigland wrote:
> On Fri, Feb 27, 2009 at 12:54:20PM +0000, Chrissie Caulfield wrote:
>>>>> Given the time at which fence_node -U will fire, you probably want to
>>>>> add a cman_init + cman_is_active + cman_finish loop in fence_node to
>>>>> make sure cman is ready to reply to our ccs queries, otherwise we might
>>>>> have a race condition at boot time (it might be already there.. didn't
>>>>> really check the code). All our daemons do that to give cman time to
>>>>> bootstrap.
>>>> Yes, good point.  I wonder if we'd be better off having cman_tool join
>>>> effectively do an is_active wait before exiting?  Then we could probably
>>>> avoid doing it many other places.  (It's also annoying when corosync crashes
>>>> after is_active completes, but before I've read what I need from cman/ccs.)
>> Err, cman_tool already does this with the -w switch, and the init script
>> uses it.
> 
> Great, so the constant flogging to add cman_is_active checks everywhere will
> end!?  Can I remove all my cman_is_active loops?

Yes.

And if it doesn't work, file a bug :)

Chrissie



  reply	other threads:[~2009-02-27 16:27 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-20 21:44 [Cluster-devel] unfencing David Teigland
2009-02-23  6:27 ` Fabio M. Di Nitto
2009-02-23 18:15   ` David Teigland
2009-02-23 18:31     ` Fabio M. Di Nitto
2009-02-23 18:40       ` David Teigland
2009-02-23 18:52         ` Fabio M. Di Nitto
2009-02-23 19:09           ` David Teigland
2009-02-23 19:22             ` Ryan O'Hara
2009-02-23 19:27               ` David Teigland
2009-02-23 20:24             ` Ryan O'Hara
2009-02-23 20:28               ` David Teigland
2009-02-26  6:51             ` Fabio M. Di Nitto
2009-02-26 14:33               ` David Teigland
2009-02-26 18:06                 ` [Cluster-devel] unfencing (cman startup) Fabio M. Di Nitto
2009-02-27 12:54                   ` Chrissie Caulfield
2009-02-27 15:52                     ` David Teigland
2009-02-27 16:27                       ` Chrissie Caulfield [this message]
2009-02-27 17:46                       ` Fabio M. Di Nitto
2009-03-02  7:59                         ` Chrissie Caulfield
2009-02-23 19:36 ` [Cluster-devel] unfencing Ryan O'Hara
2009-02-23 19:44   ` David Teigland
2009-02-26 21:35 ` David Teigland
2009-02-27  7:04   ` Fabio M. Di Nitto

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