Hi again, Some more playing around led me to discover that 'lvmdiskscan' is also not recognizing my software RAID metadisks correctly. Here's what I think are the relevant portions of the ~5600 lines of output from the 'lvmdiskscan -d -v' command: <1> lvm_dir_cache -- CALLED <22> lvm_add_dir_cache -- CALLED with /dev/md3 ... <22> lvm_add_dir_cache -- CALLED with /dev/md7 <333> lvm_check_dev -- CALLED <4444> lvm_check_partitioned_dev -- CALLED <55555> lvm_get_device_type called <55555> lvm_get_device_type leaving with 2 <4444> lvm_check_partitioned_dev -- LEAVING with ret: TRUE <333> lvm_check_dev -- LEAVING with ret: 1 <22> lvm_add_dir_cache -- LEAVING with ret: ADDED ... <1> pv_get_size -- CALLED with /dev/md7 and 0xbffff8ac <22> lvm_dir_cache -- CALLED <22> lvm_dir_cache -- LEAVING with ret: 50 <22> lvm_dir_cache_find -- CALLED with /dev/md7 <333> pv_check_name -- CALLED with "/dev/md7" <4444> lvm_check_chars -- CALLED with name: "/dev/md7" <4444> lvm_check_chars -- LEAVING with ret: 0 <4444> lvm_check_dev -- CALLED <55555> lvm_check_partitioned_dev -- CALLED <666666> lvm_get_device_type called <666666> lvm_get_device_type leaving with 2 <55555> lvm_check_partitioned_dev -- LEAVING with ret: TRUE <4444> lvm_check_dev -- LEAVING with ret: 1 <333> pv_check_name -- LEAVING with ret: 0 <333> lvm_dir_cache -- CALLED <333> lvm_dir_cache -- LEAVING with ret: 50 <22> lvm_dir_cache_find -- LEAVING with entry: 4 <22> lvm_check_partitioned_dev -- CALLED <333> lvm_get_device_type called <333> lvm_get_device_type leaving with 2 <22> lvm_check_partitioned_dev -- LEAVING with ret: TRUE <22> lvm_partition_count -- CALLED for 0x907 <333> lvm_get_device_type called <333> lvm_get_device_type leaving with 2 <22> lvm_partition_count -- LEAVING with ret: 16 <1> pv_get_size -- LEAVING with ret: 0 ... lvmdiskscan -- reading all disks / partitions (this may take a while...) lvmdiskscan -- filling directory cache... lvmdiskscan -- walking through all found disks / partitions lvmdiskscan -- /dev/md3 [ 0] Primary [0x07] lvmdiskscan -- /dev/md4 [ 0] Primary [0x07] lvmdiskscan -- /dev/md5 [ 0] Extended [0x07] lvmdiskscan -- /dev/md6 [ 0] Extended [0x07] lvmdiskscan -- /dev/md7 [ 0] Extended [0x07] lvmdiskscan -- /dev/sda1 [ 19.98 MB] Primary LINUX native partition [0x83] lvmdiskscan -- /dev/sda2 [ 80.00 MB] Primary LINUX swap partition [0x82] lvmdiskscan -- /dev/sda3 [ 5.76 GB] Primary [0xFD] lvmdiskscan -- /dev/sda4 [ 28.34 GB] DOS extended partition [0x05] lvmdiskscan -- /dev/sda5 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sda6 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sda7 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sda8 [ 5.86 GB] Extended LVM partition [0x8E] lvmdiskscan -- /dev/sdb1 [ 19.98 MB] Primary LINUX native partition [0x83] lvmdiskscan -- /dev/sdb2 [ 80.00 MB] Primary LINUX swap partition [0x82] lvmdiskscan -- /dev/sdb3 [ 5.76 GB] Primary [0xFD] lvmdiskscan -- /dev/sdb4 [ 28.34 GB] DOS extended partition [0x05] lvmdiskscan -- /dev/sdb5 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sdb6 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sdb7 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sdb8 [ 5.86 GB] Extended LVM partition [0x8E] lvmdiskscan -- /dev/sdc1 [ 19.98 MB] Primary LINUX native partition [0x83] lvmdiskscan -- /dev/sdc2 [ 80.00 MB] Primary LINUX swap partition [0x82] lvmdiskscan -- /dev/sdc3 [ 5.76 GB] Primary [0xFD] lvmdiskscan -- /dev/sdc4 [ 28.34 GB] DOS extended partition [0x05] lvmdiskscan -- /dev/sdc5 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sdc6 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sdc7 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sdc8 [ 5.86 GB] Extended LINUX native partition [0x83] lvmdiskscan -- /dev/sdd1 [ 19.98 MB] Primary LINUX native partition [0x83] lvmdiskscan -- /dev/sdd2 [ 80.00 MB] Primary LINUX swap partition [0x82] lvmdiskscan -- /dev/sdd3 [ 5.76 GB] Primary [0xFD] lvmdiskscan -- /dev/sdd4 [ 28.34 GB] DOS extended partition [0x05] lvmdiskscan -- /dev/sdd5 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sdd6 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sdd7 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sdd8 [ 5.86 GB] Extended LINUX native partition [0x83] lvmdiskscan -- /dev/sde1 [ 19.98 MB] Primary LINUX native partition [0x83] lvmdiskscan -- /dev/sde2 [ 80.00 MB] Primary LINUX swap partition [0x82] lvmdiskscan -- /dev/sde3 [ 5.76 GB] Primary LINUX native partition [0x83] lvmdiskscan -- /dev/sde4 [ 28.34 GB] DOS extended partition [0x05] lvmdiskscan -- /dev/sde5 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sde6 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sde7 [ 5.86 GB] Extended [0xFD] lvmdiskscan -- /dev/sde8 [ 5.86 GB] Extended LINUX native partition [0x83] lvmdiskscan -- 5 disks lvmdiskscan -- 0 whole disks lvmdiskscan -- 0 loop devices lvmdiskscan -- 0 multiple devices lvmdiskscan -- 0 network block devices lvmdiskscan -- 45 partitions lvmdiskscan -- 2 LVM physical volume partitions Again, if anyone can give me any leads as to what might be going wrong here, I'd appreciate it. Also, if there is any more information I can provide on this matter, just let me know... Thanks, Bill