On Fri, June 26, 2009 4:58 am, Scott Baker wrote: > I have a four disk RAID5 array, and one of the HDs got removed from the > array. All four drives are identical in size and partitioning. > > -------------------------------------------------------------------------- > > Disk /dev/sdc: 500.1 GB, 500107862016 bytes > 255 heads, 63 sectors/track, 60801 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sdc1 1 60801 488384032 fd Linux raid > autodetect > > Disk /dev/sdd: 500.1 GB, 500107862016 bytes > 255 heads, 63 sectors/track, 60801 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sdd1 1 60801 488384032 fd Linux raid > autodetect > > Disk /dev/sde: 500.1 GB, 500107862016 bytes > 255 heads, 63 sectors/track, 60801 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sde1 1 60801 488384032 fd Linux raid > autodetect > > Disk /dev/sdf: 500.1 GB, 500107862016 bytes > 255 heads, 63 sectors/track, 60801 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sdf1 1 60801 488384032 fd Linux raid > autodetect > > -------------------------------------------------------------------------- > > /dev/sde1 needs to get added back into the array, the other three drives > are fine. > > -------------------------------------------------------------------------- > > /dev/md8: > Version : 00.90.03 > Creation Time : Fri Oct 26 16:00:51 2007 > Raid Level : raid5 > Array Size : 1465151808 (1397.28 GiB 1500.32 GB) > Used Dev Size : 488383936 (465.76 GiB 500.11 GB) > Raid Devices : 4 > Total Devices : 3 > Preferred Minor : 8 > Persistence : Superblock is persistent > > Update Time : Thu Jun 25 11:27:31 2009 > State : clean, degraded > Active Devices : 3 > Working Devices : 3 > Failed Devices : 0 > Spare Devices : 0 > > Layout : left-symmetric > Chunk Size : 64K > > UUID : 44c3189a:58ffab82:c2c79482:d044a0fb > Events : 0.218148 > > Number Major Minor RaidDevice State > 0 8 33 0 active sync /dev/sdc1 > 1 8 49 1 active sync /dev/sdd1 > 2 0 0 2 removed > 3 8 81 3 active sync /dev/sdf1 > > -------------------------------------------------------------------------- > > But when I try and add it to the array it gives me a array that the > partition isn't big enough? Nothing has changed, I haven't formatted or > anything. All I did was replace a SATA cable and now I can't add that > drive > back to the array? This server is running CentOS 5.3 with all the updates. > Very strange - I cannot explain this at all. What does blockdev --getsz /dev/sde1 show? Can you strace -o /tmp/str mdadm /dev/md8 --add /dev/sde1 and post "/tmp/str" ?? > -------------------------------------------------------------------------- > > :./mdadm /dev/md8 --add /dev/sde1 > mdadm: /dev/sde1 not large enough to join array > > root@white(/tmp/mdadm-2.6.9) > :mdadm --version > mdadm - v2.6.4 - 19th October 2007 It looks like you have downloaded mdadm-2.6.9 and maybe even compiled it. Did you try it? cd /tmp/mdadm-2.6.9 make ./mdadm /dev/md0 --add /dev/sde1 ?? NeilBrown > > -------------------------------------------------------------------------- > > HELP! > -- > 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
