To mount LVM Volume Group with similar name on same system
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If we have to mount two volume groups with same name (say VolGroup00) on same system then we will face problems. To solve this problem use
- Find out UUID of Volume Group using
- lvm vgdisplay
- Then rename the volume group to something new using
- lvm vgrename NP3zDl-Bm2v-HAEq-xpba-1Yaa-p1us-TZmUWg www_volgroup00
- Now you can activate the VolGroup using
- lvm vgchange -a y www_volgroup00
- And now mount the Logical Volumes using
- mount /dev/www_volgroup00/LogVol00 server_root/home
This is particularly important if we have mounted virtual hosts hard-disk using kpartx -va <raw_image_file> and now we want to use guest hosts Volume Group, and unfortunately it has same name as base OS.
Read LVM - tips on problem associated with using above technique on original / production systems.
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