[dm-devel] multipath prio issues

Bart Van Assche bvanassche at acm.org
Tue Mar 18 06:55:05 UTC 2014


On 03/18/14 00:51, Ross Anderson wrote:
> I would appreciate support correcting another issues. We have two scst
> storage arrays configured  with drbd replication and alua settings via
> targets. When we run sg_inq and sg_rtpg we see the preferred port.
> Multipath however doesn't seem to respect the priority path. We then
> tried setting active and nonoptimized on the two storage arrays without
> success. If I'm reading this correctly the devices are reporting their
> state to the multipath system however it's not respecting the values.
> I'd appreciate any assistance on the matter. Pastebin all the
> appropriate .conf and command outs.

Hello Ross,

Have you already tried to change "prio group_by_prio" into "prio alua" ?

Bart.




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