Neale Thanks, PVSCAN provides the first bit of info. "Would pvscan help? It would tell you the device path name and the volume group to which it belongs."
linxken:~ # df -h Filesystem Size Used Avail Use% Mounted on /dev/dasda1 200M 87M 113M 44% / /dev/vg3/tmp 200M 33M 167M 17% /tmp /dev/vg4/opt 400M 138M 262M 35% /opt /dev/vg1/usr 904M 597M 307M 66% /usr /dev/vg2/var 300M 103M 197M 35% /var /dev/vg5/afs1 2.3G 289M 2.0G 13% /vicepa shmfs 707M 0 707M 0% /dev/shm linxken:~ # pvscan pvscan -- reading all physical volumes (this may take a while...) pvscan -- ACTIVE PV "/dev/dasdb1" of VG "vg1" [904 MB / 0 free] pvscan -- ACTIVE PV "/dev/dasdc1" of VG "vg2" [300 MB / 0 free] pvscan -- ACTIVE PV "/dev/dasdd1" of VG "vg3" [200 MB / 0 free] pvscan -- ACTIVE PV "/dev/dasde1" of VG "vg4" [400 MB / 0 free] pvscan -- ACTIVE PV "/dev/dasdg1" of VG "vg5" [2.29 GB / 0 free] pvscan -- total: 5 [4.06 GB] / in use: 5 [4.06 GB] / in no VG: 0 [0] linxken:~ # hcp q v dasd DASD 0100 3390 VLX070 R/W 285 CYL ON DASD 1734 SUBCHANNEL = 0000 DASD 0101 3390 VLX071 R/W 1290 CYL ON DASD 1735 SUBCHANNEL = 0001 DASD 0102 3390 VLX072 R/W 430 CYL ON DASD 1736 SUBCHANNEL = 0002 DASD 0103 3390 VLX073 R/W 290 CYL ON DASD 1737 SUBCHANNEL = 0003 DASD 0104 3390 VLX074 R/W 570 CYL ON DASD 1335 SUBCHANNEL = 0004 DASD 0105 3390 VLX075 R/W 500 CYL ON DASD 1336 SUBCHANNEL = 0005 DASD 0106 3390 VLX076 R/W 3338 CYL ON DASD 1337 SUBCHANNEL = 0006 DASD 0190 3390 430RES R/O 107 CYL ON DASD 1720 SUBCHANNEL = 000F DASD 0191 3390 VLX06F R/W 30 CYL ON DASD 1733 SUBCHANNEL = 0007 DASD 019D 3390 430RES R/O 102 CYL ON DASD 1720 SUBCHANNEL = 0010 DASD 019E 3390 430RES R/O 175 CYL ON DASD 1720 SUBCHANNEL = 0011 How do map /dev/dasdb1 to mdisk 101? Phil
