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[Launchpad Bug Tracker <1184861@xxxxxxxxxxxxxxxxxx>]

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For FC attached volumes from IBM SVC or DS8000 subsystems the existing code to find the corresponding multipath devices fails with an error.
This is caused by a different output format of the multpath command which is not parsed correctly.

An example output of 'multipath -l' would be:

36005076da00638089c000000000004cf dm-2 IBM,2145
size=954M features='1 queue_if_no_path' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=-1 status=active
| |- 6:0:0:0 sdc 8:32  active undef  running
| |- 6:0:4:0 sdg 8:96  active undef  running
| |- 6:0:2:0 sde 8:64  active undef  running
| `- 6:0:6:0 sdi 8:128 active undef  running
`-+- policy='round-robin 0' prio=-1 status=enabled
  |- 6:0:1:0 sdd 8:48  active undef  running
  |- 6:0:5:0 sdh 8:112 active undef  running
  |- 6:0:3:0 sdf 8:80  active undef  running
  `- 6:0:7:0 sdj 8:144 active undef  running

This issue exists in the Grizzly release of Nova  (2013.1)

** Affects: nova
     Importance: Undecided
     Assignee: Patrick Schaefer (pschaef)
         Status: In Progress


** Tags: attach fc multipath
-- 
FC attach fails to find multipath devices
https://bugs.launchpad.net/bugs/1184861
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