I am currently running 2.6.22.1 kernel with mdadm version 2.6.2.
When I try to run
mdadm --grow /dev/md2 --add /dev/sdd1
mdadm: Cannot add new disk to this array
mdadm -D /dev/md2
/dev/md2:
Version : 00.90.03
Creation Time : Thu Apr 12 15:10:30 2007
Raid Level : linear
Array Size : 4394524224 (4190.94 GiB 4499.99 GB)
Raid Devices : 3
Total Devices : 3
Preferred Minor : 2
Persistence : Superblock is persistent
Update Time : Mon Aug 20 21:59:02 2007
State : active
Active Devices : 3
Working Devices : 3
Failed Devices : 0
Spare Devices : 0
Rounding : 64K
UUID : 2d55a746:46480234:2bd67da3:078a1f37
Events : 0.17
Number Major Minor RaidDevice State
0 8 1 0 active sync /dev/sda1
1 8 17 1 active sync /dev/sdb1
2 8 33 2 active sync /dev/sdc1
I am missing something?
Thanks for the quick reply Neil.
With warm regards,
Dat Chu
On 8/20/07, Neil Brown <neilb@xxxxxxx> wrote:
> On Monday August 20, dattanchu@xxxxxxxxx wrote:
> > The links on Neil's website to those patches are no longer there. When
> > I try to hot grow a linear raid, it says that hot grow for linear raid
> > is not supported.
>
> What is the exact error message?
> What kernel are you using?
>
> hot-grow for linear does work with recent kernels and mdadm - it is
> part of my test suite.
> mdadm --grow /dev/md-linear --add /dev/new-device
>
> NeilBrown
>
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