Hey again here is some additional information: # mdadm --examine /dev/sda10 /dev/sdb10 /dev/sdc10 /dev/sdd10 /dev/sda10: Magic : a92b4efc Version : 00.90.00 UUID : fc549abf:0e1662f3:3b60b5c3:7a8e6fc7 Creation Time : Tue Oct 19 20:27:43 2004 Raid Level : raid5 Device Size : 136447936 (130.13 GiB 139.72 GB) Array Size : 409343808 (390.38 GiB 419.17 GB) Raid Devices : 4 Total Devices : 4 Preferred Minor : 8 Update Time : Sat Aug 12 06:13:55 2006 State : clean Active Devices : 2 Working Devices : 3 Failed Devices : 1 Spare Devices : 1 Checksum : fc3ffb29 - correct Events : 0.35808971 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 1 8 10 1 active sync /dev/sda10 0 0 0 0 0 removed 1 1 8 10 1 active sync /dev/sda10 2 2 8 26 2 active sync /dev/sdb10 3 3 0 0 3 faulty removed 4 4 8 58 4 spare /dev/sdd10 /dev/sdb10: Magic : a92b4efc Version : 00.90.00 UUID : fc549abf:0e1662f3:3b60b5c3:7a8e6fc7 Creation Time : Tue Oct 19 20:27:43 2004 Raid Level : raid5 Device Size : 136447936 (130.13 GiB 139.72 GB) Array Size : 409343808 (390.38 GiB 419.17 GB) Raid Devices : 4 Total Devices : 4 Preferred Minor : 8 Update Time : Sat Aug 12 06:13:55 2006 State : clean Active Devices : 2 Working Devices : 3 Failed Devices : 1 Spare Devices : 1 Checksum : fc3ffb3b - correct Events : 0.35808971 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 2 8 26 2 active sync /dev/sdb10 0 0 0 0 0 removed 1 1 8 10 1 active sync /dev/sda10 2 2 8 26 2 active sync /dev/sdb10 3 3 0 0 3 faulty removed 4 4 8 58 4 spare /dev/sdd10 /dev/sdc10: Magic : a92b4efc Version : 00.90.00 UUID : fc549abf:0e1662f3:3b60b5c3:7a8e6fc7 Creation Time : Tue Oct 19 20:27:43 2004 Raid Level : raid5 Device Size : 136447936 (130.13 GiB 139.72 GB) Array Size : 409343808 (390.38 GiB 419.17 GB) Raid Devices : 4 Total Devices : 4 Preferred Minor : 8 Update Time : Sat Aug 12 00:11:10 2006 State : clean Active Devices : 3 Working Devices : 4 Failed Devices : 0 Spare Devices : 1 Checksum : fc3fa60b - correct Events : 0.35808947 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 3 8 42 3 active sync /dev/sdc10 0 0 0 0 0 removed 1 1 8 10 1 active sync /dev/sda10 2 2 8 26 2 active sync /dev/sdb10 3 3 8 42 3 active sync /dev/sdc10 4 4 8 58 4 spare /dev/sdd10 /dev/sdd10: Magic : a92b4efc Version : 00.90.00 UUID : fc549abf:0e1662f3:3b60b5c3:7a8e6fc7 Creation Time : Tue Oct 19 20:27:43 2004 Raid Level : raid5 Device Size : 136447936 (130.13 GiB 139.72 GB) Array Size : 409343808 (390.38 GiB 419.17 GB) Raid Devices : 4 Total Devices : 4 Preferred Minor : 8 Update Time : Sat Aug 12 06:13:55 2006 State : clean Active Devices : 2 Working Devices : 3 Failed Devices : 1 Spare Devices : 1 Checksum : fc3ffb59 - correct Events : 0.35808971 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 4 8 58 4 spare /dev/sdd10 0 0 0 0 0 removed 1 1 8 10 1 active sync /dev/sda10 2 2 8 26 2 active sync /dev/sdb10 3 3 0 0 3 faulty removed 4 4 8 58 4 spare /dev/sdd10 - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html