WD1007V + big Maxtor + DOS + UNIX
Bruce Adler
bruce at segue.segue.com
Wed Oct 3 07:31:19 AEST 1990
Regarding your recipe for installing a big disk (i.e. >1024 cyls):
You didn't say which flavor of unix you were installing. Not turning on
the disk adapter's translation feature may have been a mistake depending
on which flavor and release of unix you installed. You should be aware
that some releases of unix/386 won't boot a kernel if any part of it is
stored at or above cylinder 1024 (zero based). You may not notice this
bug for a very long time because all flavors of unix/386 now seem to
have faster-file-gizmos which seem to always allocate blocks starting at
the low end of the disk.
Some unix vendors have fixed their bootstraps but I wouldn't be able to
tell you for certain in which releases these bug-fixes appeared. I
think the latest and greatest versions of ISC and SCO may have this
fixed. I don't know about AT&T, Intel, and Esix. The release notes for
systems which have this bug usually mention the problem.
--
bruce at segue.com, ism.isc.com!segue!bruce, aero.org!segue!bruce
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