[Snip] >> Roger > OK I transposed the letters in the command it is vgdisplay, what are the > values of Cur PV and Act PV? Something tells me that they are '1' > [/snip] Sorry, here again for the community, the output from pvdisplay either. [root@frodo ~]# pvdisplay --- Physical volume --- PV Name /dev/sda2 VG Name VolGroup00 PV Size 8,34 GB / not usable 0 Allocatable yes PE Size (KByte) 32768 Total PE 267 Free PE 1 Allocated PE 266 PV UUID Jcory5-DIqB-Mq1d-Ag43-3hSB-COlD-NB5QMI --- NEW Physical volume --- PV Name /dev/sdb1 VG Name PV Size 16,94 GB Allocatable NO PE Size (KByte) 0 Total PE 0 Free PE 0 Allocated PE 0 PV UUID WyCdOD-T3fq-r7gc-pFon-e3C1-Ay8n-EdGyEE