Comment 2 for bug 1585940

Reviewed: https://review.openstack.org/324248
Committed: https://git.openstack.org/cgit/openstack/os-brick/commit/?id=30f4fc763ea5c7298cd51398fa7464524531140b
Submitter: Jenkins
Branch: master

commit 30f4fc763ea5c7298cd51398fa7464524531140b
Author: Peter Wang <email address hidden>
Date: Thu Jun 2 01:57:01 2016 +0000

    Fix wrong path used in iscsi "multipath -l"

    When iSCSI multipath device path was not found via LUN wwn,
    os-brick would use device path like below:
    /dev/disk/by-path/ip-192.168.3.52:3260-iscsi-iqn.1992-04.com.emc:cx.apm00153906536.b5-lun-155
    to detch multipath id via 'multipath -l'.
    This causes error: "can't get udev device"

    This fix will use path like '/dev/sda' to discover mpath id.

    Change-Id: I1177d846a9f6f28b2276aae2ff91af9d4ea5849e
    Closes-bug: #1585940