Bug 1595531 – 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

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Bug 1595531 - 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

Summary:	With HA=3, in a 4 node cluster, for all block devices, a fixed set of 3 IPs/G...

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Gluster Storage
Classification:	Red Hat
Component:	heketi (Show other bugs)
Sub Component:
Version:	cns-3.10
Hardware:	Unspecified Unspecified

Priority	unspecified Severity high
Target Milestone:	---
Target Release:	CNS 3.10
Assigned To:	John Mulligan
QA Contact:	Neha Berry
Docs Contact:

URL:
Whiteboard:
Keywords:

Depends On:
Blocks:	1568862
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Reported:	2018-06-27 01:05 EDT by Neha Berry
Modified:	2018-09-12 05:24 EDT (History)
CC List:	11 users (show)

See Also:
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 05:23:45 EDT
Type:	Bug
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHEA-2018:2686	None	None	None	2018-09-12 05:24 EDT

Groups: None (edit)

Comment 8 Raghavendra Talur 2018-07-09 22:34:44 EDT

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 00:58:49 EDT

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

Comment 21 Anjana 2018-08-30 19:58:47 EDT

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

Comment 22 Anjana 2018-09-07 04:14:47 EDT

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

Comment 23 John Mulligan 2018-09-07 13:41:35 EDT

Doc Text looks OK

Comment 25 errata-xmlrpc 2018-09-12 05:23:45 EDT

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

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