Add new devices to the system. Use rescan-scsi-bus.sh to scan for new devices or restart the system to get the new devices Create LVM Physical Volumes with the new devices # pvcreate /dev/sdxx Add the devices to the respective VGs # vgextend vgname /dev/sdxx Migrate the data from the existing PV to the new PV # pvmove /dev/sdxx o Where /dev/sdxx is the existing PV that needs to be removed from the VG List the PVs to make sure the PV that needs to be removed has no data on it # pvs –o+pv_used PV VG Fmt Attr PSize PFree Used /dev/sda2 rootvg lvm2 a- 39.51g 8.63g 30.88g /dev/sda log2vg lvm2 a- 30.00g 8.00g 0 /dev/sde log2vg lvm2 a- 30.00g 8.00g 22.00g /dev/sdf datavg lvm2 a- 100.00g 5.00g 95.00g /dev/sdg log1vg lvm2 a- 30.00g 8.00g 22.00g In the above example, the data was moved from /dev/sda to /dev/sde (they reside in the same VG) Remove the PV from the VG # vgreduce vgname /dev/sdxx Remove LVM PV inf...
Learn all you can from the mistakes of others. You won't have time to make them all yourself
~Alfred Sheinwold