[Ocfs2-devel] [PATCH 2/3] ocfs2/cluster: Increase the live threshold
Joel Becker
jlbec at evilplan.org
Thu Apr 21 16:39:48 PDT 2011
On Thu, Apr 21, 2011 at 03:13:46PM -0700, Sunil Mushran wrote:
> We have seen isolated cases (very few, I might add) of o2hb not
> detecting all live nodes on startup. One plausible reasoning for it
> is that other node had a hb io delay at the same time. The live
> threshold currently is 2. That's as low as it can be. As we set it to
> that because we start the heartbeat on mount.
>
> With global heartbeat we can afford to increase that timeout. The
> patch increases it for only global heartbeat and that too only for
> the first heartbeat region.
>
> Makes sense?
I think Mark wants this in the patch description. We won't find
this email a year from now ;-)
Joel
--
Bram's Law:
The easier a piece of software is to write, the worse it's
implemented in practice.
http://www.jlbec.org/
jlbec at evilplan.org
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