RAID woes

[Simon Haddon]

>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<

On 10/03/03, 5:16:26 PM, rob shugg <rshugg at kinetitech.com.au> wrote 
regarding RAID woes:


> I can't seem to set up a new raid1 and cant find out why.
> I have included all the relavant info, the kernel is a custom 2.4.20 with 
all
> the raid stuff compiled in - no module support either. Can anyone point 
me in
> the right direction.


> rob


> /etc/raidtab
> raiddev /dev/md0
>         raid-level

I think you need "raid-level   1" here.  It looks like it doesn't know 
that it is a raid 1 disk array.

>         nr-raid-disks   2
>         nr-spare-disks  0
>         chunk-size     4
>         persistent-superblock 1
>         device          /dev/hde1
>         raid-disk       0
>         device          /dev/hdg1
>         raid-disk       1


> dmsg on boot:

> md: raid1 personality registered as nr 3
> md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
> md: Autodetecting RAID arrays.
> md: autorun ...
> md: ... autorun DONE.


> # mkraid  /dev/md0
> gives:

> Mar 10 17:01:22 kpt kernel: md: bind<hde1,1>
> Mar 10 17:01:22 kpt kernel: md: bind<hdg1,2>
> Mar 10 17:01:22 kpt kernel: md: hdg1's event counter: 00000000
> Mar 10 17:01:22 kpt kernel: md: hde1's event counter: 00000000
> Mar 10 17:01:22 kpt kernel: md: personality 1 is not loaded!
> Mar 10 17:01:22 kpt kernel: md: md0 still in use.

> /proc/mdstat:

> Personalities : [raid1]
> read_ahead not set
> md0 : inactive hdg1[1] hde1[0]
>       0 blocks
> unused devices: <none>