Arch Linux

Wojo

Member

Registered: 2010-02-12

Posts: 17

LVM2 VG residing on a software RAID is not being activated during boot

Hello there,

I've noticed that one of my LVM2 Volume Group is not being activated during boot procedure - what's weird is the fact that it does not happen every boot but rather just randomly, sometimes it boots just fine.

What I see in a journalctl:

Apr 24 19:33:10 cytron2 systemd[1]: Job dev-disk-by\x2duuid-ea4ae576\x2db519\x2d4744\x2d88f1\x2d05081db278ec.device/start timed out.
Apr 24 19:33:10 cytron2 systemd[1]: Timed out waiting for device dev-disk-by\x2duuid-ea4ae576\x2db519\x2d4744\x2d88f1\x2d05081db278ec.device.
-- Subject: Unit dev-disk-by\x2duuid-ea4ae576\x2db519\x2d4744\x2d88f1\x2d05081db278ec.device has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit dev-disk-by\x2duuid-ea4ae576\x2db519\x2d4744\x2d88f1\x2d05081db278ec.device has failed.
-- 
-- The result is timeout.
Apr 24 19:33:10 cytron2 systemd[1]: Dependency failed for /var.
-- Subject: Unit var.mount has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit var.mount has failed.
-- 
-- The result is dependency.

After it fails to recovery shell I can see that all LV from that particular VG that was not activated have 'not available status', for instance:

  --- Volume group ---
  VG Name               Mirroring1TB
  System ID             
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  4
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                3
  Open LV               0
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               931.51 GiB
  PE Size               4.00 MiB
  Total PE              238466
  Alloc PE / Size       238466 / 931.51 GiB
  Free  PE / Size       0 / 0   
  VG UUID               yGItRe-2DK3-qR01-N2eD-yNai-McgA-YRZZER

  --- Logical volume ---
  LV Path                /dev/Mirroring1TB/lvar
  LV Name                lvar
  VG Name                Mirroring1TB
  LV UUID                WDWAd6-HFK6-idM6-7oc9-oOmv-XF2K-D6QLIo
  LV Write Access        read/write
  LV Creation host, time , 
  LV Status              NOT available
  LV Size                15.00 GiB
  Current LE             3840
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto

After I run `vgchange -ay` and `mount -a` they appear online and I can move on with booting procedure.

My HOOKS:

HOOKS="base udev autodetect modconf block mdadm_udev filesystems keyboard lvm2 usr fsck shutdown"

System is up-to-date (lvm2 2.02.106-1) and lvm.conf has been merged to the latest one (there was important change in lvm.conf - use_lvmetad = 1).

I found similar issue at  Red Hat bugzilla - but I don't know how much it's relevant in Arch Linux's configuration.

Any word of advice? Thanks in advance.

EDIT
I also tried to use lvmwait= parameter in kernel, it did not help.

Last edited by Wojo (2014-04-24 18:46:51)

Darkimmortal

Member

Registered: 2012-01-04

Posts: 30

Re: LVM2 VG residing on a software RAID is not being activated during boot

Same issue as here: https://bbs.archlinux.org/viewtopic.php?pid=1404325

Downgrading to previous lvm2 fixed it for me

Last edited by Darkimmortal (2014-04-26 06:26:28)