On Fri, July 24, 2009 4:50 am, Aldo Foot wrote: > I have a raid setup from which I physically removed a hard drive. > The array has three good active physical devices. > The output from mdadm shows "Raid Devices : 4" and "Total Devices : 3" > My objective is to removed all indications of the removed device. Note > that > the removed drive has no device name associated with it, so I cannot > remove it with mdadm. > Is it as simple as editing the /etc/mdadm.conf to "num-devices=3"? Would > that change the "State : clean, degraded " to just clean? > Is there something else that needs to be done to do this correctly? > > Here's what the config looks like at the moment: > > # mdadm -D /dev/md0 > /dev/md0: > Version : 0.90 > Creation Time : Fri Jul 10 02:39:32 2009 > Raid Level : raid1 > Array Size : 24000 (23.44 MiB 24.58 MB) > Used Dev Size : 24000 (23.44 MiB 24.58 MB) > Raid Devices : 4 > Total Devices : 3 > Preferred Minor : 0 > Persistence : Superblock is persistent > > Update Time : Thu Jul 23 04:18:18 2009 > State : clean, degraded > Active Devices : 3 > Working Devices : 3 > Failed Devices : 0 > Spare Devices : 0 > > UUID : fafe2b90:7ae3cb68:2011742e:3cbab095 (local to host > xxxxxxxxxx) > Events : 0.82 > > Number Major Minor RaidDevice State > 0 8 17 0 active sync /dev/sdb1 > 1 8 33 1 active sync /dev/sdc1 > 2 8 8 2 active sync /dev/sda8 > 3 0 0 3 removed > > # mdadm --detail --scan > ARRAY /dev/md0 level=raid1 num-devices=4 metadata=0.90 > UUID=fafe2b90:7ae3cb68:2011742e:3cbab095 > > any thoughts appreciated, mdadm --grow /dev/md0 --raid-devices=3 NeilBrown > ~af > -- > 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 > -- 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
