From: Martin George <marting@netapp.com>
Date: Tue, 26 Apr 2011 12:57:05 +0000 (+0530)
Subject: [SCSI] scsi_dh_alua: Attach to UNAVAILABLE/OFFLINE AAS devices
X-Git-Tag: v3.0-rc1~383^2~47
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c0d289b3e59577532c45ee9110ef81bd7b341272;p=pandora-kernel.git

[SCSI] scsi_dh_alua: Attach to UNAVAILABLE/OFFLINE AAS devices

The SCSI ALUA handler currently fails to attach to devices
reporting an UNAVAILABLE/OFFLINE AAS. But given that an
UNAVAILABLE/OFFLINE AAS can transition to other states
like ACTIVE/OPTIMIZED, ACTIVE/NON-OPTIMIZED, etc. as per
SPC4, this ALUA handler behavior should be rectified so
as to attach to devices which also report an
UNAVAILABLE/OFFLINE AAS.

Signed-off-by: Martin George <marting@netapp.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---

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