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[Launchpad Bug Tracker <1943977@xxxxxxxxxxxxxxxxxx>]

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When attempting to live migrate and VM to a new compute node it fails
and remains on the original compute node.

Reviewing the logs I can see the iscsi session is currently not
connected and needs to be brought up but it then fails with "ERROR
oslo_messaging.rpc.server TargetPortalNotFound: Unable to find target
portal 1.1.1.1:3260".

With "iser_use_multipath" and "iscsi_use_multipath" set false in
nova.conf I can see the initial os_bricks fails with "No Active
sessions" as iscsid has yet to bring up the session but the second try
from os_bricks then succeeds as by this time iscsid has brought the
session up.

With "iser_use_multipath" and "iscsi_use_multipath" set true in
nova.conf I can see the initial os_bricks fails with "No Active
sessions" as iscsid has yet to bring up the session but no second
attempt from os_bricks leads to the "TargetPortalNotFound".

I'm running "os_brick-2.5.10". should os_bricks retry when using
multipath in nova.conf?

** Affects: nova
     Importance: Undecided
         Status: New

-- 
os_bricks fails to rerty "iscsiadm -m session" when iser_use_multipath and iscsi_use_multipath are set in nova.conf
https://bugs.launchpad.net/bugs/1943977
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