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Bug 1437341

Summary:	When MOM is missing, vdsm complains on MOM missing too frequently
Product:	[oVirt] vdsm	Reporter:	Yaniv Kaul <ykaul>
Component:	Core	Assignee:	Jenny Tokar <jtokar>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Shira Maximov <mshira>
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	4.19.11	CC:	bugs, dfediuck
Target Milestone:	ovirt-4.1.2	Flags:	dfediuck: ovirt-4.1? dfediuck: ovirt-4.2? dfediuck: planning_ack? dfediuck: devel_ack+ rule-engine: testing_ack+
Target Release:	4.19.12
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-05-23 08:14:37 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	SLA	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Yaniv Kaul 2017-03-30 06:54:06 UTC

Description of problem:
If MOM is disabled, no need to complain about it so frequently:
Mar 30 09:50:06 seal41 journal: vdsm MOM WARN MOM not available.
Mar 30 09:50:06 seal41 journal: vdsm MOM WARN MOM not available, KSM stats will be missing.
Mar 30 09:50:15 seal41 journal: vdsm MOM WARN MOM not available.
Mar 30 09:50:15 seal41 journal: vdsm MOM WARN MOM not available, KSM stats will be missing.
Mar 30 09:50:21 seal41 journal: vdsm MOM WARN MOM not available.
Mar 30 09:50:21 seal41 journal: vdsm MOM WARN MOM not available, KSM stats will be missing.
Mar 30 09:50:30 seal41 journal: vdsm MOM WARN MOM not available.
Mar 30 09:50:30 seal41 journal: vdsm MOM WARN MOM not available, KSM stats will be missing.
Mar 30 09:50:36 seal41 journal: vdsm MOM WARN MOM not available.
Mar 30 09:50:36 seal41 journal: vdsm MOM WARN MOM not available, KSM stats will be missing.
Mar 30 09:50:45 seal41 journal: vdsm MOM WARN MOM not available.
Mar 30 09:50:45 seal41 journal: vdsm MOM WARN MOM not available, KSM stats will be missing.
Mar 30 09:50:51 seal41 journal: vdsm MOM WARN MOM not available.
Mar 30 09:50:51 seal41 journal: vdsm MOM WARN MOM not available, KSM stats will be missing.


Version-Release number of selected component (if applicable):
vdsm-4.19.10-1.el7ev.x86_64

How reproducible:
Always

Steps to Reproduce:
1. Disable mom service
2. Look in journal log.

Comment 1 Shira Maximov 2017-05-08 14:25:33 UTC

Verified on : 
vdsm-4.19.12-1.el7ev.x86_64

Verification steps: 
1. Disable mom service
2. Look in journal log.

result:
May  8 17:23:08 mshira-nested-01 dbus-daemon: dbus[728]: [system] Successfully activated service 'org.freedesktop.problems'
May  8 17:23:26 mshira-nested-01 systemd: Stopping MOM instance configured for VDSM purposes...
May  8 17:23:36 mshira-nested-01 systemd: mom-vdsm.service stop-sigterm timed out. Killing.
May  8 17:23:36 mshira-nested-01 systemd: mom-vdsm.service: main process exited, code=killed, status=9/KILL
May  8 17:23:36 mshira-nested-01 systemd: Stopped MOM instance configured for VDSM purposes.
May  8 17:23:36 mshira-nested-01 systemd: Unit mom-vdsm.service entered failed state.
May  8 17:23:36 mshira-nested-01 systemd: mom-vdsm.service failed.
May  8 17:24:01 mshira-nested-01 systemd: Started Session 283 of user nobody.
May  8 17:24:01 mshira-nested-01 systemd: Starting Session 283 of user nobody.
q^C