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lvm2 upstream is constantly fixing bugs, so we should move to the latest version.
Lvm2 releases should be compatible with previous versions, except where:
- operations not working correctly are disabled,
- confirm is required for certain dangerous actions.
There are two new features though:
- default use of device file for filtering devices for PVs.
- metadata based auto activation.
Anything else will be treated as a bug.
*Device file*
When on devices file is used to filter devices which are scanned for PVs.
Devices file can be overridden by --devicesfile on command line.
Two new commands to manipulate devices file - lvmdevices(8) and
vgimportdevices(8), and new configuration options in devices section:
use_devicesfile, devicesfile and search_for_devnames.
When devices file is used for filtering the filters in lvm.conf are not used - the exact device list is used.
*Metadata based autoactivation*
Auto activation based on metadata property for LVs and VGs set in lvcreate/vgcreate using --setautoactivation option and modified by lvchange/vgchange.
This allows skipping auto-activation for whole VG or particular LVs.
Marking Verified:Tested,SanityOnly based on current cursory rhel9 beta regression testing.
kernel-5.14.0-0.rc7.54.el9 BUILT: Tue Aug 24 02:54:42 PM CDT 2021
lvm2-2.03.13-1.el9 BUILT: Thu Aug 12 10:44:54 AM CDT 2021
lvm2-libs-2.03.13-1.el9 BUILT: Thu Aug 12 10:44:54 AM CDT 2021