I was able to create a raid0 on /dev/md0 with two disks.
Here is my raidtab:
raiddev /dev/md0
raid-level 0
nr-raid-disks 2
persistent-superblock 1
chunk-size 32
device /dev/sdb1
raid-disk 0
device /dev/sdc1
raid-disk 1
First I partitioned two disks using fdisk (RH 6.0).
Then I did: mkraid --really-force /dev/md0
Then: mke2fs -b 4096 -i 16384 /dev/md0
Then: mount /dev/md0 /u
Everything was OK.
I updated my kernel from the stock 2.2.5-15 (RedHat 6.0) to 2.2.11. I
did not use modules for raid etc.
When I rebooted I can't mount /dev/md0. Since I got nothing on md0 I
decided to redo it again.
I repeated the above steps and it give theses errors:
[root@rems5a /dev]# 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/sdb1, 8886256kB, raid superblock at 8886144kB
disk 1: /dev/sdc1, 8891376kB, raid superblock at 8891264kB
mkraid: aborted
Thanks for any assistance.
E. L.