Change LVM name

zio budda ziobudda at gmail.com
Mon Jul 18 10:44:39 CDT 2005


Hi. I have an old server and a new server with LVM support.

Now, I have installed the hardisk of old-server into new-server, so
now I have new-server with two HD and one problem: the same name for
LVM.

# pvscan
 PV /dev/sda2   VG VolGroup00   lvm2 [76.22 GB / 32.00 MB free]
 Total: 1 [76.22 GB] / in use: 1 [76.22 GB] / in no VG: 0 [0   ]
[root at zeus ~]# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
                     76635192   2086296  70656060   3% /

# pvdisplay /dev/sdb2
 --- Physical volume ---
 PV Name               /dev/sdb2
 VG Name               VolGroup00
 PV Size               76.22 GB / not usable 0
 Allocatable           yes
 PE Size (KByte)       32768
 Total PE              2439
 Free PE               1
 Allocated PE          2438
 PV UUID               UN100g-qxdP-Ha2S-Ko9F-5a5q-F2f7-PRvg6K

Now, I must to access to the data contained into /dev/sdb2 LVM but I
haven't found any solution. I can not chage the VG Name   of /dev/sdb2
because the cgrename program cannot give me the possibility to change
it.

Any help ?



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