WARNING : Rereading the partition table failed with error 22: Invalid argument. The kernel still uses the old table. The new table will be used at the next restart or after you run partprobe(8) or kpartx(8) Syncing disks. [root@LPARLINUX01 ~]#  partprobe [root@LPARLINUX01 ~]# ls -l  /dev/mapper/mpathg* lrwxrwxrwx. 1 root root 8 Nov 18 12:09  /dev/mapper/mpathg -> ../dm-11 lrwxrwxrwx. 1 root root 8 Nov 18 12:09  /dev/mapper/mpathg1 -> ../dm-20 [root@LPARLINUX01 ~]# [root@LPARLINUX01 ~]#  pvs PV VG Fmt Attr PSize PFree /dev/mapper/mpathd3 rootvg lvm2 a-- 49.49g 37.49g /dev/mapper/mpathh1 Datavg lvm2 a-- 100.00g 50.00g [root@LPARLINUX01 ~]#  pvcreate /dev/mapper/mpathg1 Physical volume "/dev/mapper/mpathg1" successfully created. [root@LPARLINUX01 ~]#  pvs PV VG Fmt Attr PSize PFree /dev/mapper/mpathd3 rootvg lvm2 a-- 49.49g 37.49g /dev/mapper/mpathg1 lvm2 --- 100.00g 100.00g /dev/mapper/mpathh1 Datavg lvm2 a-- 100.00g 50.00g [root@LPARLINUX01 ~]# [root@LPARLINUX01 ~]#  vgs VG #PV #LV #SN Attr VSize VFree Datavg 1 1 0 wz--n- 100.00g 50.00g rootvg 1 4 0 wz--n- 49.49g 37.49g [root@LPARLINUX01 ~]#  vgcreate filesvg /dev/mapper/mpathg1 Volume group "filesvg" successfully created [root@LPARLINUX01 ~]#  vgs VG #PV #LV #SN Attr VSize VFree Datavg 1 1 0 wz--n- 100.00g 50.00g filesvg 1 0 0 wz--n- 100.00g 100.00g rootvg 1 4 0 wz--n- 49.49g 37.49g [root@LPARLINUX01 ~]#  [root@LPARLINUX01 ~]#  lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync  Convert datalv Datavg -wi-ao---- 50.00g home rootvg -wi-ao---- 2.00g root rootvg -wi-ao---- 4.00g swap rootvg -wi-ao---- 2.00g var rootvg -wi-ao---- 4.00g [root@LPARLINUX01 ~]#  lvcreate -L 80G -n fileslv filesvg 3. Create a physical volume on the partition, as shown in Example 5-8. 4. Create a VG on the partition, as shown in Example 5-9. 5. Create a logical volume on the partition, as shown in Example 5-10. Example 5-8 Creating a physical volume on the partition Example 5-9 Creating a volume group on the partition Example 5-10 Creating a logical volume on the partition Chapter 5. PowerHA SystemMirror User Interface  151