Amatuar LVM creation and activation

[Jim Cornette]

Since there were discussions regarding problems with LVMs, I decided to 
create one on a USB drive. I was able to create, format and activate it 
using system-config-lvm. Anyway, the order for the commands to activate, 
find out what to mount the volume as is a bit out of order than what I 
posted before. My shell commands are posted below. Test data was loaded 
after system-config-lvm  selected the volume name and lvm parameters, 
drive was formatted and mounted on selected mountpoint. After rebooting 
the below steps were needed.

Step 1: - activate all lvm partitions.
 vgchange -ay
  1 logical volume(s) in volume group "vgpicts" now active

Step 2: - scan to find out what the volume is called so it can b 
mounted, pictures was what I decided to go with.
[root at cornette-lt ~]# lvscan
  ACTIVE            '/dev/vgpicts/pictures' [37.00 GB] inherit

Step 3: - take the information from the output of lvscan and use it to 
mount it on your desired location. I picked /home/jim/lvm-test
[root at cornette-lt ~]# mount /dev/vgpicts/pictures /home/jim/lvm-test

Step 4: change to where lvm was mounted, check for data contained on 
lvm. Information confirms lvm is accessible on reboot.
 ~]# cd /home/jim/lvm-test
lvm-test]# ls
jim  lost+found
[ lvm-test]# cd jim
 jim]# ls
nomad-firmware  pe-build  pfd  realplayer-rpm

To recover data from systems previously on LVM, I hope this helps out.

Jim

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