Install an IDE Hard Drive
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It would appear that a sensible approach to building a computer with a
SCSI RAID is to install an IDE drive onto which Debian GNU/Linux is
installed. The appropriate driver for the SCIS RAID is then installed
after Debian is functioning. The driver for the SCSI RAID is
dpt_i2o.o, obtained from the dptdriver-2.4.tgz archive
at linux.adaptec.com. The correct one (for kernel 2.2.19) was
copied to the appropriate modules folder after upgrading the kernel to
2.2.19:
# mount -r /dev/fd0 /floppy
# cp /floppy/boot/dpt_i2o.o /lib/modules/2.2.19/scsi
# umount /floppy
# depmod -a
# insmod dpt_i2o
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Then dpt_i2o.o is listed in
/lib/modules/2.2.19/modules.dep (thanks to the
depmod command) and the RAID disk is accessible. There
were some unresolved symbols but these seem not to affect the drive.
(The choice of kernel 2.2.19 was dictated by the available
kernel-images in Debian and the available drivers for specific kernels
from Adaptec.)
To mount the drive add the following to /etc/fstab:
/dev/sda1 /raid ext2 defaults,errors=remount-ro 0 0
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Then create /raid and mount the RAID disk:
# mkdir /raid
# mount /raid
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Also add dpt_i2o to /etc/modules so that the RAID is available
when the machine boots.
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