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Bug 2077971

Summary: lvm support broken due to missing support for system.devices
Product: Red Hat Enterprise Linux 9 Reporter: Christian Kellner <ckellner>
Component: osbuildAssignee: Christian Kellner <ckellner>
Status: CLOSED NEXTRELEASE QA Contact: Release Test Team <release-test-team-automation>
Severity: urgent Docs Contact:
Priority: unspecified    
Version: 9.0CC: akoutsou, jrusz, kanderso, obudai
Target Milestone: rcKeywords: Triaged, ZStream
Target Release: ---Flags: pm-rhel: mirror+
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of:
: 2079883 (view as bug list) Environment:
Last Closed: 2022-06-22 11:13:32 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: 2079883    

Description Christian Kellner 2022-04-22 18:19:47 UTC
LVM2 introduced system.devices as an alternative way to filter devices and it is enabled by default on RHEL9. osbuild currently does not have explicit support for this new mechanism. Since we create devices in a stage the devices won't be added to the /etc/lvm/devices/system.devices file since /etc/ is inside the container. As a result the `org.osbuild.lvm2.lv" devices host service won't see the newly created physical volume and its logical volumes and will fail with:
"Could not find parent device".

Comment 1 Christian Kellner 2022-04-27 11:55:46 UTC
The way to reproduce this bug is to touch the file /etc/lvm/devices/system.devices (can be empty) on a RHEL 9 system and then building a 9.0 image (e.g. the qcow2) with any file system customisation (e.g. /var as 2GiB); this will fail without the patch attached.

Comment 6 Ondřej Budai 2022-06-22 11:13:32 UTC
This was fixed in of the recent rebases.