The problem seems to be (and I believe GRUB had the same problem) that the device name for DAC960 changed from rd to dac960 in 2.4. This patch fixes the partition checking code :- --- tools/lib/lvm_check_partitioned_dev.c.orig Tue Nov 27 09:16:03 2001 +++ tools/lib/lvm_check_partitioned_dev.c Tue Nov 27 09:42:38 2001 @@ -140,7 +140,8 @@ "md", /* Multiple Disk driver (SoftRAID) */ "loop", /* Loop device */ "dasd", /* DASD disk (IBM S/390, zSeries) */ - "dac960", /* DAC960 */ + "rd", /* DAC960 2.2 */ + "dac960", /* DAC960 2.4 */ "nbd", /* Network Block Device */ "ida", /* Compaq SMART2 */ "cciss", /* Compaq CCISS array */ Sincerely, Adrian Phillips -- Your mouse has moved. Windows NT must be restarted for the change to take effect. Reboot now? [OK]