> > Now, you can not directly tell the system to ignore the file systems > > on the new drive without disabling the drive all together. > > Disagree. I made no new entries in /etc/fstab to mount the second, > newly-installed drive's partitions. Therefore they should have been > ignored. So it seems that there are only two possibilites: (1) The > correct drive was booted (channel A/ide0 master) but the wrong > partitions were found at mount time; or (2) The incorrect drive was > booted (channel B/ide1 master) and, again, the wrong partitions were > selected for mounting. > > Or is it possible that Grub (or the BIOS?) only want one IDE master over > the whole dual-channel IDE controller? My understanding was that each > channel needed its own master, and I've never had a problem before with > DOS, Windo$e or linux in that situation. > When you boot into grub, go to the grub console and use the parttype command to change the unwanted partitions to some other type. Once those partitions are sufficiently invalid that the correct operating system boots, you can delete them and proceed with your plans.
