Hi, I have a powerpath device that I want to encapsulate in LVM so that I can grow it in the future but when I try and create the physical volume, I get an error: [root@ricserver ~]# powermt display dev=emcpowera Pseudo name=emcpowera CLARiiON ID=29R231J [Ricardo] Logical device ID=600601604EC01000E0FC2ED6AAF5DA11 [5FCALRAID5] state=alive; policy=CLAROpt; priority=0; queued-IOs=0 Owner: default=SP B, current=SP B ============================================================================== ---------------- Host --------------- - Stor - -- I/O Path - -- Stats --- ### HW Path I/O Paths Interf. Mode State Q-IOs Errors ============================================================================== 1 lpfc sde SP B0 active alive 0 0 2 lpfc sdi SP A1 active alive 0 0 3 lpfc sdm SP A0 active alive 0 0 4 lpfc sdq SP B1 active alive 0 0 When I try to create the physical volume: [root@ricserver ~]# pvcreate /dev/emcpowera1 Physical volume "/dev/emcpowera1" successfully created [root@ricserver ~]# pvscan Found duplicate PV QwbwqAi02sELEsEpefW6PNZ53XY8Wgo0: using /dev/emcpowera1 not /dev/sdq1 Found duplicate PV QwbwqAi02sELEsEpefW6PNZ53XY8Wgo0: using /dev/sde1 not /dev/sdq1 Found duplicate PV QwbwqAi02sELEsEpefW6PNZ53XY8Wgo0: using /dev/sdi1 not /dev/sdq1 Found duplicate PV QwbwqAi02sELEsEpefW6PNZ53XY8Wgo0: using /dev/sdm1 not /dev/sdq1 PV /dev/sda2 VG VolGroup00 lvm2 [33.75 GB / 32.00 MB free] PV /dev/sdq1 lvm2 [266.42 GB] Total: 2 [300.17 GB] / in use: 1 [33.75 GB] / in no VG: 1 [266.42 GB] What am I doing wrong? Any help gladly recieved Regards Gary Mansell -- This e-mail and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this e-mail in error please notify the sender immediately and delete this e-mail from your system. Please note that any views or opinions presented in this e-mail are solely those of the author and do not necessarily represent those of Ricardo (save for reports and other documentation formally approved and signed for release to the intended recipient). Only Directors or Duly Authorised Officers are authorised to enter into legally binding obligations on behalf of Ricardo unless the obligation is contained within a Ricardo Purchase Order. Ricardo may monitor outgoing and incoming e-mails and other telecommunications on its e-mail and telecommunications systems. By replying to this e-mail you give consent to such monitoring. The recipient should check this e-mail and any attachments for the presence of viruses. Ricardo accepts no liability for any damage caused by any virus transmitted by this e-mail. "Ricardo" means Ricardo plc and its subsidiary companies. Ricardo plc is a public limited company registered in England with registered number 00222915. The registered office of Ricardo plc is Shoreham Technical Centre, Shoreham-by Sea, West Sussex, BN43 5FG. _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/