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copying lvm with the same name



One of my computers died and, of course, there is un-backed-up data on there
that I want to recover if I can.  The hard drive seems to be in good shape so I
took it out of the dead box and installed it on this computer (my main desktop
machine.)

I have been doing a bunch of reading about logical volumes and some of what
I've found is  self-contradictory, incomplete and stuff that I just don't
really understand (yet.)  And, as you can imagine, since this is my main
desktop machine I'm not terribly anxious to just start playing around with
the lvm configuration without knowing what I'm doing.

Here are my findings so far:

[root mutt ~]# pvscan
  PV /dev/sdb2   VG VolGroup00   lvm2 [279.25 GB / 32.00 MB free]
  PV /dev/sda2   VG VolGroup00   lvm2 [465.56 GB / 32.00 MB free]
  Total: 2 [744.81 GB] / in use: 2 [744.81 GB] / in no VG: 0 [0   ]
[root mutt ~]# lvscan
  ACTIVE            '/dev/VolGroup00/LogVol00' [277.28 GB] inherit
  ACTIVE            '/dev/VolGroup00/LogVol01' [1.94 GB] inherit

It looks like the machine can see the second drive and the lvm that's on it
/dev/sdb2, but it has the same VolGroup name as /dev/sda2.

What I would like to do is twofold:  First, and most importantly, I would like
to mount it as-is so I can copy my data off of there.  Second, I would like to
re-format it and add it to the storage capacity that I already have on this
machine. Heck, if it's still a good drive I might as well put it to use.

So, how can I mount VolGroup00 that's on /dev/sdb2?  The vgchange command
followed by a simple mount command looks like what I want to do, but what's the
syntax?  As I said, I really don't want to bugger up my primary hard drive....

-- 
MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com


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