[Linux-cluster] qdisk best practices

[Juan Ramon Martin Blanco]

On Wed, Jul 1, 2009 at 8:24 PM, Luis Cerezo <Luis.Cerezo at pgs.com> wrote:

> Hi all-
>
> i've got a RHEL 5.3 cluster, 2node with qdisk. All works fine, but the
> qdisk seems to beat on the SAN (I/Ops) I adjusted the interval from the
> default of 1 to 5 and it is still high (san admin is crying)
>
> does anyone have best practices for this? its an LSI san and both nodes are
> mulitpathed to it via 4G FC.
>
If it's really a big problem for the SAN, consider adding a third node to
the cluster and get rid of the qdisk.

Greetings,
Juanra

>
> thanks!
>
>
>
> Luis E. Cerezo
> PGS
> Global IT
>
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