Bug 1384197

Summary:	Frequent heartbeat exceeded timeouts and hosts going non-responsive
Product:	Red Hat Enterprise Virtualization Manager	Reporter:	Gordon Watson <gwatson>
Component:	ovirt-engine	Assignee:	Piotr Kliczewski <pkliczew>
Status:	CLOSED NOTABUG	QA Contact:	meital avital <mavital>
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	4.0.3	CC:	gklein, lsurette, mperina, pkliczew, rbalakri, Rhev-m-bugs, srevivo, ykaul
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Hardware:	Unspecified
OS:	Linux
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Last Closed:	2016-10-18 09:16:36 UTC	Type:	Bug
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oVirt Team:	Infra	RHEL 7.3 requirements from Atomic Host:
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Description Gordon Watson 2016-10-12 19:16:38 UTC

Description of problem:

The customer has three hosts in the only cluster in this RHEV 4.0 environment. From time to time, all encounter "Heartbeat exeeded" timeouts and, within that time-frame, sometimes go non-responsive.

They have 'vdsHeartbeatInSeconds' currently set to 20.

The customer has disabled Power Management to prevent hosts from getting fenced.

RHEV-M runs inside a VM within a VMWare environment.


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

RHEV-M 4.0.3
RHVH-4.0 with vdsm-4.18.11-1.el7


How reproducible:

Not. It's random.


Steps to Reproduce:
1.
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Actual results:


Expected results:


Additional info:

Details to follow.