From: David Teigland <teigland@redhat.com>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] [DLM PATCH] dlm_controld: add option of enable_force_kick
Date: Mon, 16 May 2016 12:12:54 -0500 [thread overview]
Message-ID: <20160516171254.GC20979@redhat.com> (raw)
In-Reply-To: <1463386038-11341-1-git-send-email-zren@suse.com>
On Mon, May 16, 2016 at 04:07:18PM +0800, Eric Ren wrote:
> When there are 3 or more partitions that merge, none may see enough
> clean nodes. Therefore, DLM would be stuck there forever unitl administrator
> manually reset/restart enough nodes to produce sufficient clean nodes.
> However, sometimes people hope that DLM can automatically recover from "useless"
> state by forcing kick statefull merged nodes.
>
> The option of "enable_force_kick" defaults to "0"(disabled), which
> remains the old way. Note that, enable this option at your own risk
> because it's hard to predict which node (or none) will survive when both
> sides of the merged partitions are kicking the other out of the cluster
> at the same time.
This looks good. Would you still use this patch if we add the new
dlm_tool output from the other email?
Dave
next prev parent reply other threads:[~2016-05-16 17:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-16 8:07 [Cluster-devel] [DLM PATCH] dlm_controld: add option of enable_force_kick Eric Ren
2016-05-16 17:12 ` David Teigland [this message]
2016-05-17 12:16 ` Eric Ren
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