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Bug 1905077 - Support for cloud-init config modules for PowerVM Hypervisor in Red Hat cloud-init
Summary: Support for cloud-init config modules for PowerVM Hypervisor in Red Hat cloud...
Keywords:
Status: CLOSED DUPLICATE of bug 1908322
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: cloud-init
Version: 8.3
Hardware: Unspecified
OS: Unspecified
unspecified
high
Target Milestone: rc
: ---
Assignee: Eduardo Otubo
QA Contact: xiachen
URL:
Whiteboard:
: 1905080 (view as bug list)
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-12-07 13:08 UTC by Divya
Modified: 2024-11-20 07:49 UTC (History)
9 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2020-12-16 12:33:57 UTC
Type: Bug
Target Upstream Version:
Embargoed:
pm-rhel: mirror+

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System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-61243 0 None None None 2023-02-10 19:07:55 UTC

Description Divya 2020-12-07 13:08:28 UTC 
Linux Virtual Machines deployed (with ppcle architecture), using IBM PowerVM Hypervisor on IBM Power System hosts, need an additional component (referred to as RMC - Resource Monitoring and Control subsystem) to be installed and successfully running on the VM. This requires special configuration on these ppcle VMs. This RMC module/service must be installed and functioning on a ppcle VM, for the PowerVM Hypervisor to be able to communicate / manage these Virtual Machines. When a VM boots, there are some basic set of steps(generation of unique RMC node id; subsequent restart of the RMC service etc), that must be performed on a ppcle VM, to ensure that the communication of the VM and PowerVM Hypervisor is intact. RMC has to be active on the VM for the hypervisor to be able to perform many operations (specifically DLPAR related operations) successfully. Thus a healthy RMC is a prerequisite for a PowerVM hypervisor based VM.

More details about RMC and RSCT can be found at:
https://www.ibm.com/support/knowledgecenter/en/SGVKBA_3.2/admin/bl503_ovrv.htm
https://www.ibm.com/support/knowledgecenter/SGVKBA_3.2/admin/admin_pdf.pdf

To enable the healthy functioning of RMC services on ppcle Linux based VMs, there are couple of cloud-init config modules that we have been maintaining downstream. As part of the LP bug [1], these changes are being upstreamed.

[1]https://bugs.launchpad.net/cloud-init/+bug/1895979

This feature request is being opened to enable support for these PowerVM specific modules in community, to be included as part of Red Hat cloud-init.
Comment 1 Rick Barry 2020-12-15 15:30:52 UTC 
*** Bug 1905080 has been marked as a duplicate of this bug. ***
Comment 2 Rick Barry 2020-12-15 15:37:20 UTC 
The changes that were made for RHEL 8.3.z:

1894014 - Support for cloud-init config modules for PowerVM Hypervisor in Red Hat cloud-init [rhel-8.3.0.z]
1894015 - Add support for ipv6_autoconf on cloud-init-20.3 [rhel-8.3.0.z]

need to be back-ported for RHEL 8.2 and 8.1 (for SAP).
Comment 5 Yaju Cao 2020-12-16 12:33:16 UTC 
Thanks Rick for moving forward on this. I think it is better to use the original 8.4 ystream bug 1886430. I have done the clone from it, 8.1.z: bz 1908322, 8.2.z: bz 1908321.

Hi Divya, FYI about our zstream request process, we need to request in related ystream bug, and zstream bug have to be cloned from the ystream bug. So let's close this bz as duplicate of the new bug.
Comment 6 Yaju Cao 2020-12-16 12:33:57 UTC 

*** This bug has been marked as a duplicate of bug 1908322 ***
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