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Bug 683426

Summary:	When creating MD RAID1 for a root fs and having no separate /boot, metadata 1.2 are used
Product:	Red Hat Enterprise Linux 6	Reporter:	Pavel Snajdr <psnajdr>
Component:	anaconda	Assignee:	David Lehman <dlehman>
Status:	CLOSED WORKSFORME	QA Contact:	Release Test Team <release-test-team-automation>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	6.0
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2011-03-16 19:26:45 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Pavel Snajdr 2011-03-09 12:00:14 UTC

When creating MD RAID1 for a root fs and having no separate /boot, metadata 1.2 are used.
But when having a separate RAID1 for /boot, anaconda automatically does it with older metadata.

This is a particular problem for GRUB, because it can't boot from RAID1 with new metadata (v 0.9 metadata are the last that work I think).

I filed a bug for GRUB, but I don't think they'll fix it (683421), so please take the need for older metadata in account even when having only one RAID1 with rootfs and no dedicated boot partition.

Comment 2 Chris Lumens 2011-03-09 15:15:19 UTC

anaconda really, really should not care about MD metadata version.

Comment 3 David Lehman 2011-03-09 16:47:55 UTC

Please attach /tmp/storage.log and /tmp/anaconda.log from the install. Post-install, they will be /var/log/anaconda.storage.log and /var/log/anaconda.log. Thanks.

Comment 4 David Lehman 2011-03-09 21:12:20 UTC

I tested this scenario with anaconda-13.21.100-1 and was unable to reproduce. My tests showed that anaconda correctly recognized the situation and created the array with version 1.0 metadata, which is what we are supposed to do. We use version 1.1 for all other new arrays.