"No, it must be "Used Device Size" * 11 = 16116523456. Try it without the 'k'."
-> was better:
mdadm /dev/md0 --grow --array-size=16116523456
mdadm --detail /dev/md0
/dev/md0:
Version : 0.90
Creation Time : Fri Jun 10 14:19:24 2011
Raid Level : raid5
Array Size : 16116523456 (15369.91 GiB 16503.32 GB)
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Raid Devices : 13
Total Devices : 13
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Fri Jun 10 16:49:37 2011
State : clean
Active Devices : 13
Working Devices : 13
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 64K
UUID : 8c4d8438:42aa49f9:a6d866f6:b6ea6b93 (local to host nassrv01)
Events : 0.2
Number Major Minor RaidDevice State
0 8 160 0 active sync /dev/sdk
1 8 208 1 active sync /dev/sdn
2 8 176 2 active sync /dev/sdl
3 8 192 3 active sync /dev/sdm
4 8 0 4 active sync /dev/sda
5 8 16 5 active sync /dev/sdb
6 8 64 6 active sync /dev/sde
7 8 48 7 active sync /dev/sdd
8 8 80 8 active sync /dev/sdf
9 8 96 9 active sync /dev/sdg
10 8 112 10 active sync /dev/sdh
11 8 128 11 active sync /dev/sdi
12 8 144 12 active sync /dev/sdj
->fsck -n /dev/md0, was ok
->now:mdadm /dev/md0 --grow -n 12 --backup-file=/reshape.bak
->and after that, how become the disk out of the raid?
--
at this point i think i take the disk out of the raid, because i need the space of the disk.
I need another advise of you. While the computer is actualy build with 13 disk and i will become more data in the next month and the limit of power supply connecotors is reached i am looking forward to another solution. one possibility is to build up a better computer with more sata and sas connectors and add further raid-controller-cards. an other idea is to build a kind of cluster or dfs with two and later 3,4... computer. i read something about gluster.org. do you have a tip for me or experience in this?
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