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Bug 2081800

Summary:	[QE] 13 -> 16 FFU impact from default of [libvirt]sysinfo_serial changing
Product:	Red Hat OpenStack	Reporter:	Artom Lifshitz <alifshit>
Component:	documentation	Assignee:	Irina <igallagh>
Status:	CLOSED CURRENTRELEASE	QA Contact:	RHOS Documentation Team <rhos-docs>
Severity:	medium	Docs Contact:
Priority:	high
Version:	17.0 (Wallaby)	CC:	igallagh, jparker, kgilliga, smooney
Target Milestone:	---	Keywords:	Regression, Triaged
Target Release:	---
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:	2022-10-03 09:46:21 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:	2078991
Bug Blocks:

Description Artom Lifshitz 2022-05-04 16:20:05 UTC

13 -> 16 FFU impact of https://bugzilla.redhat.com/show_bug.cgi?id=2078991

tl;dr Nova changed the default of [libvirt]sysinfo_serial from `auto` to `unique` between queens/13 and train/16. We need to make customers aware of the impact, and explain how to handle this config option during FFU.

Comment 7 Irina 2022-10-03 09:46:21 UTC

Updated content available on the Customer Portal:

https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/16.1/html/framework_for_upgrades_13_to_16.1/updating-composable-services-and-parameters_preparing-overcloud#proc_configuring-the-instance-serial-number_composable-services

https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/16.2/html/framework_for_upgrades_13_to_16.2/updating-composable-services-and-parameters_preparing-overcloud#proc_configuring-the-instance-serial-number_composable-services