[mythtv-users] Migrating MythStore LVM to new system

Trey Thompson trey at verustech.com
Tue Sep 12 14:54:35 EDT 2006

This may help, someone may have more info...

I'm on FC5 now, and in /etc/lvm there is a sample conf file, and a
backup directory that has a file with the configuration for my Volume
Group in it.  I know that a bunch of the UUIDs are written to the
drives, so perhaps it's as easy as copying the config over, and mounting


Actually, now that I think about it, there's vgexport and vgimport, so
you might check out the man pages for that, I bet that will make it
simple.  Remember, they're tied to the /dev/hda1, /dev/hdb1, etc... so
the export/import will probably take care of all that.


Trey Thompson

Verus Technologies

(214) 432-5400

(214) 405-7155 mobile

(214) 853-4731 fax

trey at verustech.com



From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Bill Bradley
Sent: Tuesday, September 12, 2006 1:37 PM
To: Discussion about mythtv
Subject: [mythtv-users] Migrating MythStore LVM to new system


Hey All,

I am getting ready to upgrade to .20 and am considering blowing away my
debian install with a new one (possibly FC5) as it is getting old and is
full of non-needed cruft and screwed up dependencies.  I can handle all
the myth stuff for backing up the db but I have XFS LVM with 2 250gb
drives as my myth storage and want to be able to remount those on the
new box. Not having done much with LVM other than create this vg, I was
looking for advice on how to about this without hosing all of music,
videos, recordings, etc. 

Here is my lvdisplay output:
  --- Logical volume ---
  LV Name                /dev/vg/myth
  VG Name                vg
  LV UUID                rNm5uX-nAGl-Dcde-K0x1-0TqC-tyjh-tDraP2
  LV Write Access        read/write 
  LV Status              available
  # open                 1
  LV Size                469.36 GB
  Current LE             30039
  Segments               2
  Allocation             inherit
  Read ahead sectors     0 
  Block device           253:0


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