[CentOS] mounting an lvm partition via a USB adapter
Robert Moskowitz
rgm at htt-consult.com
Mon Jun 18 14:07:02 UTC 2007
Luciano Rocha wrote:
> On Mon, Jun 18, 2007 at 08:10:28AM -0400, Robert Moskowitz wrote:
>
>> I am trying to mount this (my old hard drive) from my Centos 5 install as a
>> USB drive so I can copy files over.
>>
>> The second partition, /dev/sda2 is the one I really want and it is an lvm
>> partition. When I am booted from this drive (as the installed IDE drive,
>> not as a usb drive) has for its /etc/fstab:
>>
>> # This file is edited by fstab-sync - see 'man fstab-sync' for details
>> /dev/VolGroup00/LogVol01 / ext3 defaults 1 1
>> LABEL=/boot /boot ext3 defaults 1 2
>> none /dev/pts devpts gid=5,mode=620 0 0
>> none /dev/shm tmpfs defaults 0 0
>> /dev/VolGroup00/LogVol02 /home ext3 defaults 1 2
>> none /proc proc defaults 0 0
>> none /sys sysfs defaults 0 0
>> /dev/VolGroup00/LogVol00 swap swap defaults 0 0
>>
>>
>> But I do not see any /dev/Vol... when I boot from my Centos 5 drive (oh, I
>> have labeled the lvm partitions on that drive to start with Centos5 so that
>> its labels are different from my Centos 4 drive lablels).
>>
>
> vgscan ; vgchange -ay VolGroup00
>
I will give this a try, shortly.
> If the volume group happens to be the same as the one you're using on
> your new system,
I was careful to give the new drive a different name than the old
one.... So I suspect I am set for this.
> then that will probably fail, and I suggest renaming
> your current volume group using a rescue cd (don't forget to recreate
> the initrd, as it has the vg hardcoded).
>
>
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