The 1023 cylinder issue is only relevant to the boot partition. The
problem arises because the bios must be able to read the kernel to load
it and the bios can only see 1023 cylinders. Once the kernel is active,
this restriction does not apply as the kernel does not use the bios at
all.
This can lead to the situation where everything installs fine and runs
for years. One day, you rebuild the kernel. The new kernel is of course
built in free space at the end of the drive, now when you tell lilo to
boot this kernel, you cant boot anymore.
It is always a good idea to put the operating system (ANY operating
system) on a seperate partition to your data and important programs. In
the event of a total stuff-up, you can then delete the partition and
reinstall without losing your data.
LBA works by remapping the real cylinder/sectors to virtual ones that
fit within the limits set within the bios which, due to very clever
co-operation between the people who set the bios standard and the people
who did the IDE standard, are the same size (capacity), BUT, use
different limits for sector, cylinder, head counts.
So, if you REALLY want them on the same partition, I believe LBA can do
up to an 8gig drive? Not sure so don't quote me. It did my 6 gig one no
problems (I had to do it this way because I had multiple operating
systems, ALL of which wanted to be below 1023).
Regards
Greg
----------
From: Scott
To: [EMAIL PROTECTED]
Cc: recipient.list.not.shown
Subject: 1023 cylinder clarification
Date: Saturday, 13 June 1998 8:09AM
I've read the redhat faq about this issue but I'm stil a bit confused.
I have a QDI motherboard (Intel tx chipset) with a dual ultra DMA 3 Eide
controller and a new maxtor 4.3 gb ultra DMA 3 HDD.
The HDD is patitioned as follows c:\ - 3.0 gb NTFS d:\ 1.2 GB Fat16.
Mys
stem boots off the root 3.0 gb partition into NT. I want to put RH 5.0
on
the 1.2 gb fat16 partition. I do know that my drive and motherboard
supports LBA (mode 2 is how things run). Do I have a problem here with
the
1023 cylinder issue or am I safe?
This 1023 iussue reminds me of the same problem dos used to have with
drivers larger than 512mb.
Thanks,
Scott
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