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Re: [dm-devel] [PATCH] multipath-tools: Add preferred TPG prioritizer



Benjamin Marzinski wrote:
Instead of using the Target port's Asymmetric Access State to determine
priority, some users what to use the preferred port bit.  This patch makes
a new prioritizer, based off the ALUA prioritizer, but using the preferred
port bit instead.

Please, no.

This would mean that 'tpg_pref' would evaluate the PREF bit _only_,
with total disregard to the other settings.

We should be updating the existing 'alua' prioritizer to evaluate
the PREF bit together with the existing AAS status; then we could
be using it for all scenarios.

I think I got a patch somewhere ...

Cheers,

Hannes
--
Dr. Hannes Reinecke		      zSeries & Storage
hare suse de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Markus Rex, HRB 16746 (AG Nürnberg)


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