Bug 1810281

Summary:	[Test Only] Test 5 nodes Hybrid Cluster deployment
Product:	[Red Hat Storage] Red Hat Gluster Storage	Reporter:	Marina Kalinin <mkalinin>
Component:	rhhi	Assignee:	Sahina Bose <sabose>
Status:	CLOSED ERRATA	QA Contact:	SATHEESARAN <sasundar>
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	rhhiv-1.7	CC:	godas, jcall, mmuench, rhs-bugs
Target Milestone:	---	Keywords:	TestOnly
Target Release:	RHHI-V 1.8
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:	rhhiv, rhel8
Last Closed:	2020-08-04 14:51:37 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:	1779977

Description Marina Kalinin 2020-03-04 21:03:50 UTC

Please test the 5 nodes hybrid RHHI-V cluster configuration where 3 nodes are part of HCI, HE+gluster deployment, and the other two hosts added to the same cluster are plain RHV hypervisors, no gluster, no HE.

All the 5 hosts are part of a single RHV cluster and can run the same VMs. The non HCI hosts will access the gluster storage domain provided by the HCI nodes as a regular storage domain. 

I am on the border if this is a test only scenario or an actual RFE.

Comment 3 Sahina Bose 2020-03-05 05:33:07 UTC

(In reply to Marina Kalinin from comment #0)
> Please test the 5 nodes hybrid RHHI-V cluster configuration where 3 nodes
> are part of HCI, HE+gluster deployment, and the other two hosts added to the
> same cluster are plain RHV hypervisors, no gluster, no HE.

Clarification : the other 2 hosts added will have gluster services running, and will be part of gluster cluster. The only difference is they do not host any gluster volume bricks.

> 
> All the 5 hosts are part of a single RHV cluster and can run the same VMs.
> The non HCI hosts will access the gluster storage domain provided by the HCI
> nodes as a regular storage domain. 
> 
> I am on the border if this is a test only scenario or an actual RFE.

Comment 6 SATHEESARAN 2020-07-28 07:01:54 UTC

Tested with RHV 4.4.1 (RHVH-4.4-20200722.1-RHVH-x86_64-dvd1.iso) and RHGS 3.5.2-async (glusterfs-6.0-37.1)

1. Created a 3 node RHHI-V/Hyperconverged deployment
2. Create 20 VMs and started kernel untar workload on all the VMs.
3. Added a 2 more compute-only node, with no bricks, with 'hosted-engine --deploy'
4. Migrated the VMs to new node.
5. Created few more HA VMs and ran it on the newly added compute only nodes
6. Powered off 2 of the nodes in the cluster and observed that everything worked properly

Based on the above observations, verifying this bug

Comment 7 errata-xmlrpc 2020-08-04 14:51:37 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 (RHHI for Virtualization 1.8 bug fix and enhancement update), 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-2020:3314