LVM is "inactive" on first reboot after installation

[David Magda]

On Tue, June 12, 2012 11:15, n43w79 wrote:
>> I'm trying to set up LVM with FAI 3.4.7 on Debian 6. The various
>> partitions are created, and things install fine, but on reboot all the
>> volume groups except the the one that has the root file system ("/") are
>> 'inactive'.
>>
> Please try:
> -   disk_config cciss/c0d0 disklabel:msdos fstabkey:uuid
> +   disk_config disk1 disklabel:msdos fstabkey:uuid
> ....
> -   vg              vgsys   cciss/c0d0p2
> +   vg              vgsys   disk1

"disk1" didn't work with the "vg" line; the correct value is "disk1.2".

Regardless, same result:

# lvscan
  inactive          '/dev/vgsys/var' [43.16 GiB] inherit
  inactive          '/dev/vgsys/swap' [8.00 GiB] inherit
  ACTIVE            '/dev/vgsys/root' [8.00 GiB] inherit
  inactive          '/dev/vgsys/tmp' [8.00 GiB] inherit
# vgscan
  Reading all physical volumes.  This may take a while...
  Found volume group "vgsys" using metadata type lvm2
# pvscan
  PV /dev/block/104:2   VG vgsys   lvm2 [67.83 GiB / 692.00 MiB free]
  Total: 1 [67.83 GiB] / in use: 1 [67.83 GiB] / in no VG: 0 [0   ]
# df -hP
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/vgsys-root  7.9G  534M  7.0G   7% /
tmpfs                 7.9G     0  7.9G   0% /lib/init/rw
udev                  7.9G   96K  7.9G   1% /dev
tmpfs                 7.9G  4.0K  7.9G   1% /dev/shm
# vgchange -a y vgsys
  4 logical volume(s) in volume group "vgsys" now active
root at hcn50:~# lvscan
  ACTIVE            '/dev/vgsys/var' [43.16 GiB] inherit
  ACTIVE            '/dev/vgsys/swap' [8.00 GiB] inherit
  ACTIVE            '/dev/vgsys/root' [8.00 GiB] inherit
  ACTIVE            '/dev/vgsys/tmp' [8.00 GiB] inherit
# mount -a
root at hcn50:~# df -hP
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/vgsys-root  7.9G  534M  7.0G   7% /
tmpfs                 7.9G     0  7.9G   0% /lib/init/rw
udev                  7.9G  108K  7.9G   1% /dev
tmpfs                 7.9G  4.0K  7.9G   1% /dev/shm
/dev/cciss/c0d0p1     494M   28M  441M   6% /boot
/dev/mapper/vgsys-tmp  7.9G  147M  7.4G   2% /tmp
/dev/mapper/vgsys-var   43G  325M   41G   1% /var

Then on reboot I get the same issue: "inactive" volumes. Is it something
with the FAI config I'm trying, or some 'trick' that needs to be done to
set up the initrd image so that LVM activate all the volumes?