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...
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-cinder
Version: 13.0 (Queens)
Hardware: x86_64
OS: Linux
high
urgent
Target Milestone: ---
: ---
Assignee: Jon Bernard
QA Contact: Tzach Shefi
Kim Nylander
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-12-30 09:31 UTC by bkopilov
Modified: 2020-12-11 16:35 UTC (History)
7 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2020-12-11 16:34:34 UTC
Target Upstream Version:

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
Add an attachment (proposed patch, testcase, etc.)

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:


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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


Benny
Comment 4 bkopilov 2019-01-06 09:26:23 UTC 
Created attachment 1518757 [details]
controller0.tar.gz
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