> you probably goofed the VG or LV definitions. post output of vgdisplay and > lvdisplay Ah, so many things to learn... all at once no less :). # vgdisplay|more --- Volume group --- VG Name storec System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 6 VG Access read/write VG Status resizable Clustered yes Shared no MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 745.76 GB PE Size 4.00 MB Total PE 190914 Alloc PE / Size 190914 / 745.76 GB Free PE / Size 0 / 0 VG UUID iovndV-jXr1-amlr-zVsD-Ili2-h2y5-6RxHwa --- Volume group --- VG Name storeb System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 7 VG Access read/write VG Status resizable Clustered yes Shared no MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 745.76 GB PE Size 4.00 MB Total PE 190914 Alloc PE / Size 190914 / 745.76 GB Free PE / Size 0 / 0 VG UUID q9aS3c-jOVn-ih9N-tTnl-ufvy-y0NR-t1RFDa --- Volume group --- VG Name rimfire System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 2 VG Access read/write VG Status resizable Clustered yes Shared no MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 572.72 GB PE Size 4.00 MB Total PE 146616 Alloc PE / Size 146616 / 572.72 GB Free PE / Size 0 / 0 VG UUID meTNO2-CDAL-GZ8w-J7Hv-FuG2-ysfu-Hy3iQc # lvdisplay|more --- Logical volume --- LV Name /dev/storec/web VG Name storec LV UUID uosGKp-PlY4-Z83y-343h-VBo5-ATL3-08qf3C LV Write Access read/write LV Status available # open 0 LV Size 745.76 GB Current LE 190914 Segments 1 Allocation inherit Read ahead sectors 0 Block device 253:0 --- Logical volume --- LV Name /dev/storeb/qm VG Name storeb LV UUID Tbcyi3-6iBd-ND2W-lEFQ-Whp5-asJ1-Q3lMSI LV Write Access read/write LV Status available # open 0 LV Size 745.76 GB Current LE 190914 Segments 1 Allocation inherit Read ahead sectors 0 Block device 253:1 --- Logical volume --- LV Name /dev/rimfire/rimfire VG Name rimfire LV UUID tHbr02-iWJF-F9NY-Ix5z-3csX-pX0G-35wrOy LV Write Access read/write LV Status available # open 0 LV Size 572.72 GB Current LE 146616 Segments 1 Allocation inherit Read ahead sectors 0 Block device 253:2 -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster