[dm-devel] DS4000 with multipath-tools 0.4.5

[Benjamin Marzinski]

On Thu, Jan 11, 2007 at 09:28:07AM -0500, TGrozev at mohegansun.com wrote:
>    Hi, all!
> 
>    I've been trying to get dm-multipath working with an IBM DS4800
>    (previously IBM FAStT) for some time now, and I'm still having some
>    issues. The main problem is the lack of a suitable prioritizer. I've read
>    that the recommended prioritizer for DS4000 is pp_tpc, which, however,
>    appears in 0.4.7. I'm kinda stuck with 0.4.5, though, since I'm using
>    RHEL4 (2.6.9) with RedHat Cluster.
>    Is there a way to use pp_tpc with 0.4.5? I'd really like to use
>    dm-multipath instead of the IBM RDAC multipath.

The path prioritizer is simply a external program that is called by
dm-multipath. All you need  to do is compile and install pp_tpc, and add a
configuration for your device that uses it to /etc/multipath.conf

 
>    Thanks much,
>    Tenyo
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