[colug-432] Mounting Arbitrary Byte-Pools (File, Block Device, LVM partition, etc.)
joskra42.list at gmail.com
Tue Mar 13 21:25:33 EDT 2012
In my research on related to my previous question about "un-lvm-ifying" a
partition, I found these interesting articles.
1. Mount a disk image that exists as a file; in this case, a XEN xvda
device. We assume that, like a real disk, this file contains a partition
2. Take a disk image that exists as a file and contains LVM partitions,
activate the LVM partitions, and mount them accordingly:
In my case, I found sufficient storage elsewhere, to copy my 476MB LVM
partition into a file. Then, I reformatted the 500G disk with one ext3
partition. Using the second article I mounted the "LVM-on-a-file" and
copied all of my stuff back to the 500G disk.
Among this data, was a xvda file for my old mailserver. This file
contained two partitions, one being an LVM. I was able to setup the
LVM-containing partition as a loopback device, run _lvm pvscan_ and then
_lvm vgchange -ay_, and then mount the resulting volumes to copy over all
the data contained within. (The second article explains how to do this.)
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