How many drives were actually members of the raid? 3 + 1 or 2 + 1 + 1? Please post the raid configuration. Gilboa On Thu, 2005-09-22 at 12:46 -0500, Ed K. wrote: > I had a computer running FC1 for a very long while. All 4 ide drives are a > part of a Raid-5 array. > > Then a drive (#4) crapped out, and took down the other drive (#3) on the > same ide bus... I would like to turn the raid back on, but when I do the > raid subsystem thinks its spare. > > Q: How can I turn the raid back on in degraded mode without the #3 drive > being used as a spare? > > ...waiting for some pointers so I can sleep tonight, so any help would be > most appreciated. > > ed > > p.s.: > I've booted the system in knoppix v3.9 now... > > here are the commands: > > root@1[~]# mdadm --assemble /dev/md2 -R /dev/hda4 /dev/hdb4 /dev/hdc1 > mdadm: failed to RUN_ARRAY /dev/md2: Invalid argument > root@1[~]# mdadm -D /dev/md2 > /dev/md2: > Version : 00.90.01 > Creation Time : Mon Feb 23 21:13:37 2004 > Raid Level : raid5 > Device Size : 117185984 (111.76 GiB 120.00 GB) > Raid Devices : 4 > Total Devices : 3 > Preferred Minor : 2 > Persistence : Superblock is persistent > > Update Time : Thu Sep 22 14:07:32 2005 > State : active, degraded > Active Devices : 2 > Working Devices : 3 > Failed Devices : 0 > Spare Devices : 1 > > Layout : left-asymmetric > Chunk Size : 64K > > Number Major Minor RaidDevice State > 0 3 4 0 active sync > 1 3 68 1 active sync > 2 0 0 - removed > 3 0 0 - removed > > 4 22 1 - spare > root@1[~]# mdadm -S /dev/md2