[RFC][PATCH] Handle multipath paths in a path group properly during pg_init (was "RE: [dm-devel] DM does not activate the paths if there are more than one path in path group during failover")

Alasdair G Kergon agk at redhat.com
Fri Nov 14 00:12:05 UTC 2008


On Thu, Nov 13, 2008 at 03:48:58PM -0800, Chandra Seetharaman wrote:
> The problem reported by Moger Babu was caused due to the architectural
> change made when we moved from dm hardware handler to SCSI hardware
> handler.
 
pg_init is single initialisation for the group.
It only needs to happen on one path.

It sounds to me that what you're adding here is a *per-path* initialisation,
something *separate* from (and additional to) the existing *per-group* pg_init.

Has this patch been tested on EMC?

Alasdair
-- 
agk at redhat.com




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