I have a centos 5.6 server that has xen domUs installed on their on
logical volumes. These logical volumes contain their own volume groups
and again their own logical volumes. I want to access the domU logical
volumes and tried this:
[root@kr ~]# fdisk -l /dev/VolGroup00/LogVol02
Disk /dev/VolGroup00/LogVol02: 274.8 GB, 274877906944 bytes
255 heads, 63 sectors/track, 33418 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/VolGroup00/LogVol02p1 * 1 13 104391 83 Linux
/dev/VolGroup00/LogVol02p2 14 16709 134110620
8e Linux LVM
[root@kr ~]# kpartx -a /dev/VolGroup00/LogVol02
[root@kr ~]# ls -l /dev/mapper/
total 0
crw------- 1 root root 10, 62 Apr 26 02:19 control
brw-rw---- 1 root disk 253, 12 Apr 30 00:45 LogVol02p1
brw-rw---- 1 root disk 253, 13 Apr 30 00:45 LogVol02p2
But when I try make the domU volumegroup accessible I run into problems:
[root@kr ~]# vgscan
Reading all physical volumes. This may take a while...
WARNING: Duplicate VG name VolGroup00: Existing
hxNFYw-c1Z6-DB99-SiiK-yRas-eXiI-1w27Z0 (created here) takes precedence
over KmwQTQ-jT19-lvvu-H6d0-i4T3-s5Jw-JHnx0M
WARNING: Duplicate VG name VolGroup00: Existing
hxNFYw-c1Z6-DB99-SiiK-yRas-eXiI-1w27Z0 (created here) takes precedence
over KmwQTQ-jT19-lvvu-H6d0-i4T3-s5Jw-JHnx0M
Found volume group "VolGroup00" using metadata type lvm2
Found volume group "VolGroup00" using metadata type lvm2
How can I now vgchange to the domU volume group as vgchange does not
take the UUID as an argument, just the volume group name...?
Regards,
Peter
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