Re: Installation Question (IBM TP 560)
Tommi Kaariainen wrote:
> I don't know, however as far as I know putting the Linux Loader (lilo)
> to the boot block of the Linux root partition (the logical partition i this
> case) shouldn't break anything.
Tommi,
That's really interesting: putting LILO in the boot block of the Linux
root partition. I understood that LILO would allow you to boot into
various partitions, like the IBM Boot Manager does.
When I was in IBM Systems Programming, it was useful to follow the
sequence of events from the label record to the Volume Table of Contents
(VTOC) and from there into the specific file you're looking for. Perhaps
it would be useful to clarify the sequence of events here. According to
the Partition Magic documentation, there is a Master Boot Record at the
beginning of the drive which consists of a master boot program and
partition table. Then for each bootable partition there is a partition
boot record as well. So if I install the IBM Boot Manager in its own
partition at the top of the drive, then it would seem logical that the
system would first go to the first sector on the drive, find out there
is a boot manager partition and go there, display the menu selection and
then after input go to the selected partition where it presumably finds
a partition boot record which presumably tells it where the first
program is for loading that operating system.
So if LILO is installed, it would appear that it might override the Boot
Manager, but where is it installed and how does it control the sequence
of events? If it overrides the IBM Boot Manager, which it seems to do,
then one or more of the non-linux partitions would not be accessable. In
my case when I let RedHat use LILO, I lost the ability to boot into my
Win95 partition until I used the DOS boot diskette and gave the fdisk
/mbr command.
However, it would be nice to be able to boot into
1. first partition: Win 95
2. second partition: Win 3.1 and
3. first logical partition in an extended partition: Linux.
Dave
--
--David E. Scott Ohio Administrative Services
DaveScott@1000islands.com acq_scott@ohio.gov
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