Bug 1662574 - RHOS13-Multipath-switchover: Unable to re-attach volume or create volume from image after multipath switchover
Summary: RHOS13-Multipath-switchover: Unable to re-attach volume or create volume from...
Status: NEW
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-cinder
Version: 13.0 (Queens)
Hardware: x86_64
OS: Linux
Target Milestone: ---
: ---
Assignee: Jon Bernard
QA Contact: Tzach Shefi
Kim Nylander
Depends On:
TreeView+ depends on / blocked
Reported: 2018-12-30 09:31 UTC by bkopilov
Modified: 2020-02-24 05:02 UTC (History)
8 users (show)

Fixed In Version:
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Attachments (Terms of Use)
compute0 logs (32.38 KB, application/gzip)
2018-12-30 09:59 UTC, bkopilov
no flags Details
controller0.tar.gz (51.75 KB, application/gzip)
2019-01-06 09:26 UTC, bkopilov
no flags Details

Description bkopilov 2018-12-30 09:31:48 UTC
Description of problem:
RHOS13 , 3 controllers , 2 computes + netapp as storage backend.
Multipath enabled .

How to reproduce:
Create an instance
Creave a volume.
Attach the volume to the instance 
multipath -ll shows two path.

route the active path to l0 (black hole) and swichover occures , the path status changed to: failed faulty
and the other path comes to active.

detach existing volume - > works.
attach again - FAILS .

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:

Actual results:

Expected results:

Additional info:

Comment 1 bkopilov 2018-12-30 09:59:54 UTC
Created attachment 1517441 [details]
compute0 logs

Comment 3 bkopilov 2019-01-06 09:25:53 UTC
Hi , 
I tried another scenario :
On the controller side ,  route to l0 one of the active paths.

We have one of the path not usage , Tried to create a volume from image - Failed.
See attached logs - controller0.tar.gz


Comment 4 bkopilov 2019-01-06 09:26:23 UTC
Created attachment 1518757 [details]

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