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I installed a distribution called "Rocks" on a primary master hard
drive.
It became necessary to re-install the same distro so I took an
identical hd and made it primary master. The first drive, which boots
fine, was left off the system to act as an archive, to mount after the
new system was up and running.
The new system was installed and works great, now to correctly install
the old drive as primary slave, reboot, mount and copy the scripts and
configs to the new system!
There the problem began.
When I boot either drive as primary master and only primary drive,
they boot fine.
When I connect either drive correctly configured and recognized by the
BIOS, as primary or secondary slave - grub gives a GRUB prompt and
won't boot.
Something interesting, when booted from a floppy (mkbootdisk)from the
new disk, in /var/log/dmesg both drives are visible but fdisk reports
the partition table is empty - so I can't mount the drive from a
floppy boot.
dmesg is like this: (my comments)
hda: ST34321A, ... (pri master)
hdb: ST34321A, ... (pri slave)
hdc: FX4010M, ATAPI CD/DVD-ROM drive (secnd master)
hdd: ST320420A, ... (secnd slave)
ide0 at ... (ide pri chain)
ide1 at ... (ide secnd chain)
hda: 8404830 sectors ... (good)
hdb: 8404830 sectors ... (good)
hdd: 39851760 sectors ... (good)
ide-floppy driver ... (ok)
Partition check: (<---<<<this is where it gets interesting)
hda:
hdb:
hdd: hdd1 hdd2 hdd3 (<---<<<that's right, hdd is now the boot drive.
Even if I boot without the floppy, hdd is the boot drive.)

Any suggestons?