[linux-lvm] Serious LVM Problem

Josef Whiter jwhiter at redhat.com
Wed Oct 4 15:54:53 UTC 2006

Usually the best thing to do in this case is to try and restore the LV's back
the way they were when you created them.  You wouldn't happen to know exactly
how you created them in the first place would you?  If you do you can try and
recreate the LV's exactly the way they were before and it should show up, kind
of like if your partition table eats it and you have the exact geometry of the
partition tables before they disappeared.  Thank you,


On Wed, Oct 04, 2006 at 08:48:58AM -0700, TNJazzGrass wrote:
> Hi all,
> This is my first post here and I'm fairly
> inexperienced with Linux, so please be gentle!
> OK, here's the deal:  a couple of years ago I read
> about LVM and decided to try it out under Fedora Core
> 3 as a music file server.  Had a few minor corruption
> issues over the years, but nothing really serious.  I
> just let the system rebuild itself on bootup and that
> was that.  A few lost clusters here and there, but
> nothing too bad.  The box was soon a "turn it on and
> forget about it" kind of thing for me, as my primary
> working environment is on a Mac these days.
> Recently, I tried to install a wireless Linksys card,
> as the box was going to end up in a room upstairs
> where there was no internet access available.  Well,
> the install completely hosed Core 3, and in doing some
> followup I actually found a post that stated the
> package I used often did that to Core 3!
> This made me decide to upgrade to Core 5.  Like an
> idiot, I tried to "upgrade" and I unchecked the LVM
> drives for formatting when I did.  In hindsight I
> should have removed them completely, but I didn't. 
> Now I've got a fully functional Core 5, but I can't
> find my LVM array anywhere on the box!  So I have no
> idea if the data is still there, or if it has been
> wiped clean by my rampant stupidity.
> There is an LVM management in the GUI, but it doesn't
> really help.  At this point all I want to do is
> recover the data from the drives, if in fact it's
> still there.
> We're talking about an LVM of 5 x 250gb drives filled
> with music and other files, plus part of a 120gb drive
> that also contains the OS.
> I have about 80-85% of the contents backed up on
> optical media, so it's not really catastrophic if it
> all goes down the tubes, but to rebuild the file
> server from all those CDs and DVDs (over 400 of them!)
> would be a chore.
> Can anyone provide me some troubleshooting assistance
> so I can determine what to do next?  I'm not afraid of
> the command line, but I'm not all that skilled on it
> either (so I'd need instructions that are fairly
> straightforward).
> Thanks, and sorry for the long first post!
> Dirk
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