This bug was fixed in the package lvm2 - 2.03.02-2ubuntu6.1
---------------
lvm2 (2.03.02-2ubuntu6.1) eoan; urgency=medium
[ Steve Langasek ]
* Include raid1 in the list of modules installed by the initramfs hook,
as this is not a kernel module dependency of dm-raid but if the user's
root disk is configured as RAID1 it is definitely required.
Closes: #841423, LP: #1509717.
-- Julian Andres Klode <juli...@ubuntu.com> Thu, 23 Jan 2020 16:41:24
+0100
** Changed in: lvm2 (Ubuntu Eoan)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1509717
Title:
Wily LVM-RAID1 – md: personality for level 1 is not loaded
Status in linux package in Ubuntu:
Invalid
Status in lvm2 package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Invalid
Status in lvm2 source package in Bionic:
Fix Released
Status in linux source package in Cosmic:
Invalid
Status in lvm2 source package in Cosmic:
Won't Fix
Status in linux source package in Disco:
Invalid
Status in lvm2 source package in Disco:
Won't Fix
Status in linux source package in Eoan:
Invalid
Status in lvm2 source package in Eoan:
Fix Released
Status in lvm2 package in Debian:
Incomplete
Bug description:
[Impact]
system does not boot after converting lvm volume to raid1 w/o having mdadm
installed.
[Test case]
1. Install server with subiquity to LVM
2. Add second disk to it
3. Run pvcreate /dev/vdb
4. Run vgextend ubuntu-vg /dev/vdb
5. Run lvconvert -m1 --type raid1 ubuntu-vg/lv
Reboot and check that it still boots.
6. Remove mdadm
7. Upgrade to lvm2 from proposed
Reboot and check that it still boots.
8. Downgrade lvm2 to release
Reboot and check that it fails to boot
[Regression potential]
Not really anything, we just add the raid1 module to initramfs, so it might
be loaded during boot, and raid1 logical volumes might appear earlier.
[Original bug report]
After upgrading to Wily, raid1 LVs don't activate during the initrd phase.
Since the root LV is also RAID1-mirrored, the system doesn't boot.
I get the following message each time LVM tries to activate a raid1 LV:
md: personality for level 1 is not loaded!
Everything was fine with Vivid. I had to downgrade to Vivid kernel
(3.19.0-30) to get my system to a usable state. I pretty much hope it
to be a temporary workaround and I'll get the new 4.2.0 kernel work
with Wily in days.
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