Major alarm 200.006 storage-0 is degraded due to the failure of its 'isolcpu_plugin' process

[Alexandru Dimofte]

Brief Description
-----------------
Two major alarms are visible related to isolcpu plugin.

Severity
--------
<Major: System/Feature is usable but degraded>

Steps to Reproduce
------------------
Install 20210401T221102Z and then check: watch fm alarm-list

Expected Behavior
------------------
This alarms should not appear

Actual Behavior
----------------
Every 2.0s: fm alarm-list Tue Apr 6 11:22:51 2021

+-------+------------------------------------------------------------------------+---------------------------------------+----------+----------------+
| Alarm | Reason Text | Entity ID | Severity | Time Stamp |
| ID | | | | |
+-------+------------------------------------------------------------------------+---------------------------------------+----------+----------------+
| 200. | storage-0 is degraded due to the failure of its 'isolcpu_plugin' | host=storage-0.process=isolcpu_plugin | major | 2021-04-06T11: |
| 006 | process. Auto recovery of this major process is in progress. | | | 22:49.969350 |
| | | | | |
| 200. | storage-1 is degraded due to the failure of its 'isolcpu_plugin' | host=storage-1.process=isolcpu_plugin | major | 2021-04-06T11: |
| 006 | process. Auto recovery of this major process is in progress. | | | 22:21.151677 |

Reproducibility
---------------
100% reproducible

System Configuration
--------------------
Multi-node system

Branch/Pull Time/Commit
-----------------------
master

Last Pass
---------
20210401T032802Z

Timestamp/Logs
--------------
will be attached

Test Activity
-------------
Sanity

Workaround
----------
-

[Alexandru Dimofte (adimofte)]

Suspected change: ./cgcs-root/stx/config bb6e8db56979f4ff741d6d7fe3304d1f9c45a99c 2021-04-01 09:47:29 -0600 Chris Friesen <email address hidden> Add sysinv support for kubernetes to ignore isolcpus

https://review.opendev.org/c/starlingx/integ/+/783730

[Alexandru Dimofte (adimofte)]

Uploaded logs to Collect Filesystem:
https://files.starlingx.cengn.ca/download_file/2

[Frank Miller (sensfan22)]

This issue has been fixed with the following commit:
https://review.opendev.org/c/starlingx/metal/+/784175

[Alexandru Dimofte (adimofte)]

This issue is solved now. I don't see it on 20210408T015657Z.