Bug 1595531

Summary:	With HA=3, in a 4 node cluster, for all block devices, a fixed set of 3 IPs/Gluster Pods are used as targets, with 1 pod staying unused
Product:	[Red Hat Storage] Red Hat Gluster Storage	Reporter:	Neha Berry <nberry>
Component:	heketi	Assignee:	John Mulligan <jmulligan>
Status:	CLOSED ERRATA	QA Contact:	Neha Berry <nberry>
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	cns-3.10	CC:	akrishna, hchiramm, jmulligan, kramdoss, madam, msaini, rhs-bugs, rtalur, sankarshan, sarumuga, storage-qa-internal, xiubli
Target Milestone:	---
Target Release:	CNS 3.10
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	Previously, the same set of nodes were selected by Heketi as block volume targets when distributing block volumes across all available nodes. With this fix, Heketi shuffles the list of nodes such that different block volumes are distributed across different nodes.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-09-12 09:23:45 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1568862

Comment 8 Raghavendra Talur 2018-07-10 02:34:44 UTC

It has been found that heketi is erroneously passing 4 IPs where it should pass 3. That will be fixed in next build.

Also, to fix this bug, a simple patch that pseudo randomly selects n of Host IPs should be doable in this release. Providing acks.

Comment 17 Saravanakumar 2018-07-27 04:58:49 UTC

Build is provided now -  please check - rhgs3/rhgs-volmanager-rhel7:3.3.1-22

Comment 21 Anjana KD 2018-08-30 23:58:47 UTC

Updated doc text in the Doc Text field. Please review for technical accuracy.

Comment 22 Anjana KD 2018-09-07 08:14:47 UTC

Updated doc text in the Doc Text field. Please review for technical accuracy.

Comment 23 John Mulligan 2018-09-07 17:41:35 UTC

Doc Text looks OK

Comment 25 errata-xmlrpc 2018-09-12 09:23:45 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2018:2686