Hi Michael

Try a mkraid --really-force /dev/md0

Greetings, Dietmar

Michael Rothwell wrote:
> 
> mkraid does this:
> 
> [root@penguin rothwell]# mkraid /dev/md0
> handling MD device /dev/md0
> analyzing super-block
> disk 0: /dev/sda2, 8369865kB, raid superblock at 8369792kB
> /dev/sda2 appears to contain an ext2 filesystem -- use -f to override
> mkraid: aborted
> 
> [root@penguin rothwell]# mkraid --really-force /dev/md0
> DESTROYING the contents of /dev/md0 in 5 seconds, Ctrl-C if unsure!
> handling MD device /dev/md0
> analyzing super-block
> disk 0: /dev/sda2, 8369865kB, raid superblock at 8369792kB
> disk 1: /dev/sdb2, 8369865kB, raid superblock at 8369792kB
> disk 2: /dev/sdc2, 8369865kB, raid superblock at 8369792kB
> disk 3: /dev/sdd2, 8369865kB, raid superblock at 8369792kB
> mkraid: aborted
> [root@penguin rothwell]#
> 
> [root@penguin rothwell]# cat /etc/raidtab
> # Sample raid-5 configuration
> raiddev                 /dev/md0
> raid-level              5
> nr-raid-disks           4
> chunk-size              128
> #persistent-superblock  1
> 
> # Parity placement algorithm
> parity-algorithm        left-symmetric
> #parity-algorithm       left-asymmetric
> #parity-algorithm       right-asymmetric
> #parity-algorithm       right-symmetric
> 
> # Spare disks for hot reconstruction
> #nr-spare-disks         0
> 
> device                  /dev/sda2
> raid-disk               0
> 
> device                  /dev/sdb2
> raid-disk               1
> 
> device                  /dev/sdc2
> raid-disk               2
> 
> device                  /dev/sdd2
> raid-disk               3
> 
> 
> -- why?
> 
> Thanks!
> 
> Michael Rothwell
>   Director, Internet Application Development
>   InterLan Technologies
>   111 Corning Road #150
>   Cary, NC 27513
>   v: (919) 852-0690
>   f: (919) 852-0501
>   e: [EMAIL PROTECTED]

-- 
A guess may be one solution but not the only one ;-)

Dietmar Stein, Systemadministrator UNIX/Linux
[EMAIL PROTECTED], [EMAIL PROTECTED]

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