> -----Original Message----- > From: Neil Brown [mailto:neilb@xxxxxxx] > Sent: Monday, May 31, 2010 12:58 AM > To: Leslie Rhorer > Cc: linux-raid@xxxxxxxxxxxxxxx > Subject: Re: Confused about reshape? > > On Mon, 31 May 2010 00:32:07 -0500 > "Leslie Rhorer" <lrhorer@xxxxxxxxxxx> wrote: > > > > Just tell mdadm what you want and it will do it, or report that it > cannot. > > > > Um, OK, I tried it, and it failed: > > > > Backup:/# mdadm --grow /dev/md0 --level=6 > > mdadm: no changes to --grow > > cat /proc/mdstat ?? > mdadm -D /dev/md0 ?? > mdadm -V ?? > uname -a ?? > > Maybe add -vv to the --grow /dev/md0: Version : 1.02 Creation Time : Sun Jul 12 20:44:02 2009 Raid Level : raid5 Array Size : 10255969024 (9780.85 GiB 10502.11 GB) Used Dev Size : 1465138432 (1397.26 GiB 1500.30 GB) Raid Devices : 8 Total Devices : 9 Persistence : Superblock is persistent Intent Bitmap : Internal Update Time : Mon May 31 00:44:25 2010 State : active Active Devices : 8 Working Devices : 9 Failed Devices : 0 Spare Devices : 1 Layout : left-symmetric Chunk Size : 256K Name : Backup:0 (local to host Backup) UUID : 940ae4e4:04057ffc:5e92d2fb:63e3efb7 Events : 987130 Number Major Minor RaidDevice State 0 8 0 0 active sync /dev/sda 1 8 16 1 active sync /dev/sdb 2 8 32 2 active sync /dev/sdc 8 8 48 3 active sync /dev/sdd 4 8 64 4 active sync /dev/sde 5 8 80 5 active sync /dev/sdf 6 8 96 6 active sync /dev/sdg 7 8 112 7 active sync /dev/sdh 9 8 128 - spare /dev/sdi Backup:/tmp# mdadm -V >> temp mdadm - v3.0.3 - 22nd October 2009 Backup:/tmp# uname -a Linux Backup 2.6.32-3-amd64 #1 SMP Wed Feb 24 18:07:42 UTC 2010 x86_64 GNU/Linux Backup:/tmp# mdadm --grow -vv /dev/md0 --level=6 >> temp mdadm: no changes to --grow -- 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