[Ocfs2-users] ocfs2 configuration/performance questions...
Peter W. Morreale
pmorreale at novell.com
Mon Aug 3 17:52:43 PDT 2009
On Mon, 2009-08-03 at 17:20 -0700, Sunil Mushran wrote:
> Peter W. Morreale wrote:
>
> > 2) assume we create the fs instance with all 32 slots. I would assume
> > that HB is impacted since it would scan all 32 slots each iteration, is
> > that correct?
>
> No. heartbeat i/o depends on the number of nodes configured in
> cluster.conf. Take the largest node number configured - 1 and
> multiply with 512 bytes. That's the amount read every 2 secs.
> Either way, that size is negligible.
So, regardless of the blocksize the file system was configured with, HB
only looks at a sector per node, is that right?
Thanks for the quick response.
Best,
-PWM
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