Am Samstag, 3. November 2007 schrieb ext Daniel Rose:
> Hi everyone,
>
> I have an LVM comprising 2 partitions on a drive I wish to read data
> from, and I have a 'main' file from somewhere in /etc/lvm from that old
> drive:
>
>
> main {
> id = "em7z2K-GhvB-mpW4-YNjE-SiZ7-zia2-PIObh2"
>
> [...]
> physical_volumes {
>
> pv0 {
> id = "6oVVgd-WIVK-qB0y-PXk2-Acu5-ZxcI-gMj5JD"
> device = "/dev/md2" # Hint only
> status = ["ALLOCATABLE"] # 74.4062 Gigabytes
> }
> }
>
> logical_volumes {
> root {
> id = "Cu9udo-QFcL-72XW-G1OU-1sQA-giBa-WASzs2"
> status = ["READ", "WRITE", "VISIBLE"] #
> 74.125Gigabytes }
> }
>
> swap {
> id = "aM7Jm4-QfMW-4y2c-zCv3-0O6f-CVzz-P3Ebg4"
> status = ["READ", "WRITE", "VISIBLE"] #256
> Megabytes }
>
> Anyway so the lone disk is in a separate box now:
>
> Device Boot Start End Blocks Id System
> /dev/hdd1 * 1 13 104391 fd Linux raid
> autodetect
> /dev/hdd2 14 9729 78043770 fd Linux raid
> autodetect
>
> As it turns out, I can run pvcreate and pvdisplay ok, but a second run
> of pvdisplay... and it's gone. vgcreate always fails.
>
> Any ideas anyone? I'm a little startled at how hard it seems to be to
> mount a 'foreign' LVM drive in Linux.
Looks like LVM is setup on top of a software RAID. Looks like you need to
use the sw raid tools first to bring up the RAID set.
Bye...
Dirk
--
Dirk Heinrichs | Tel: +49 (0)162 234 3408
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