[ale] Examining pre-existing LVM

[Jeff Hubbs]

I think you mean "vgchange -a y".  The output is:

  0 logical volume(s) in volume group "vgf" now active
  0 logical volume(s) in volume group "vge" now active
  1 logical volume(s) in volume group "vg0" now active

Ignore vg0; that's a different volume group.

I'd already gone "vgcreate vge /dev/sde1" and "vgcreate vgf /dev/sdf1", 
hence the vge and vgf.  Where I seem to be stuck is getting LVM2 to 
"bring up" the LVs in the VGs.

Giulio (lists) wrote:
> On Thursday 20 March 2008, Jeff Hubbs wrote:
>   
>> I have two external SCSI enclosures, with one disk drive in each
>> one, that came from another system.  Each has a single partition,
>> type 8e (Linux LVM).  I want to bring those drives up to
>> examine/recover their contents.  I've successfully connected them
>> to a card on a server that is booted to a Gentoo liveCD and LVM is
>> up and working.
>>
>> Naturally, I want to be nondestructive (better still, read-only) in
>> anything I do.
>>
>> None of the LVM docs I've found deal with pre-existing LVM
>> partitions when the original arrangement isn't known.  Any tips on
>> how to proceed?
>>
>> - Jeff
>>     
>
> Jeff,
>
> Sorry if this sounds obvious, but have you tried:
>
> vgchange -a -y
>
> Here is a good article:
>
> http://www.linuxjournal.com/article/8874
>
> Giulio
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