[ale] Can't find LVM volumes on USB drive

[Jim Lynch]

On 11/29/2012 07:43 PM, Jim Kinney wrote:
> You can't mount an PV directly (sde3)
>
> run lvscan and look for the names to use from /dev/mapper :
>
> [root at scotty bin]# lvscan
>   ACTIVE            '/dev/vg_scotty/lv_swap' [9.77 GiB] inherit
>   ACTIVE            '/dev/vg_scotty/LogVol01' [104.78 GiB] inherit
> [root at scotty bin]# ls /dev/mapper/
> control  vg_scotty-LogVol01  vg_scotty-lv_swap
>
> You now mount /dev/mapper/vg_scotty-LogVol01 (in my case - user your 
> own name!)

[root at chinaberry media]# pvscan
   PV /dev/sda6   VG Vol-sda   lvm2 [436.70 GiB / 189.84 GiB free]
   PV /dev/sdb6   VG Vol-sda   lvm2 [9.31 GiB / 9.31 GiB free]
   Total: 2 [446.02 GiB] / in use: 2 [446.02 GiB] / in no VG: 0 [0 ]
[root at chinaberry media]# lvscan
   ACTIVE            '/dev/Vol-sda/Vsda-home' [49.54 GiB] inherit
   ACTIVE            '/dev/Vol-sda/Vsda-vz' [60.61 GiB] inherit
   ACTIVE            '/dev/Vol-sda/Vsda-backupmirror' [136.72 GiB] inherit
[root at chinaberry media]# vgscan
   Reading all physical volumes.  This may take a while...
   Found volume group "Vol-sda" using metadata type lvm2

Those work fine, however the one I'm trying to recover is on /dev/sde3

/dev/sde1               1        6079    48829536   83  Linux
/dev/sde2            6080       18238    97667167+  83  Linux
/dev/sde3           18239       60801   341887297+  8e  Linux LVM