RAID with AIC7896

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Hello to all in kernelnewbies,

I'm trying to update to kernel 2.2.19 in a dual Intel intel machine, with 
an  Adaptec AIC-7896 RAID. IN old Kernel everything goes fine, but when I 
do all changes in make config and install it shows me the following error.

Starting up RAID devices: /dev/md0; Invalid argument
/dev/md0 is not a RAID0 or linear array!

my /proc/mdstat says (in old kernel):

read_ahead 1024 sectors
md0 : active raid5 sdc1[1] sdb1[0] 17920000 blocks level 5, 512k chunk, 
algorithm 2 [2/2] [UU]
unused devices: <none>

my /etc/raidtab says (in old kernel too)

# Sample raid-5 configuration
raiddev                 /dev/md0
raid-level              5
nr-raid-disks           2
chunk-size              512

# Parity placement algorithm

#parity-algorithm       left-asymmetric

#
# the best one for maximum performance:
#
parity-algorithm        left-symmetric

#parity-algorithm       right-asymmetric
#parity-algorithm       right-symmetric

# Spare disks for hot reconstruction
#nr-spare-disks         0

device                  /dev/sdb1
raid-disk               0

device                  /dev/sdc1
raid-disk               1

Any1?
Thanks a lot
Fabricio Delocco

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