[Linux-cluster] Advice on Storage Hardware

[David Brieck Jr.]

On 11/11/05, Michael Will <mwill at penguincomputing.com> wrote:
> In our case there would be a serial and an ethernet heartbeat between
> the systems.
>
> If one system detects the lack of responsiveness of the other system, it
> shuts it down,
> does an IP takeover and mounts the partition that belonged to the other
> system and
> now offers it under the new IP address. When the other system has been
> brought up
> again, and has been considered stable, it is being advised to take back
> it's ressource,
> which does initiate the other system to release it and once that has
> been confirmed, it
> takes over the IP address and starts it's nfs service for that partition
> again.
>
> I have only configured this for active/passive setups with a single
> partition so far, but
> to extend that to two partitions and an active/active setup should not
> be too hard.
>
> Michael

Thanks Michael. We probably would need more than one partition,
probably somewhere around 5, just so we keep data segregated and
manageable. I still have yet to get my hands on a setup to test things
out, but from all the docs I've been reading the number of partitions
shouldn't be a problem.