Newsgroups: comp.sys.ibm.pc.hardware
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!uupsi!rodan.acs.syr.edu!amichiel
From: amichiel@rodan.acs.syr.edu (Allen J Michielsen)
Subject: Re: SCSI questions
Message-ID: <1991Jun3.180332.9453@rodan.acs.syr.edu>
Keywords: SCSI,IN-2000,disk
Organization: Syracuse University, Syracuse, NY
References: <1991May22.192151.3245@magnus.acs.ohio-state.edu> <q7Hy31w163w@dorsai>
Date: Mon, 3 Jun 91 18:03:32 GMT

In article <q7Hy31w163w@dorsai> skipm@dorsai (Dorsai SysOp) writes:
>ewahl@magnus.acs.ohio-state.edu (Ed A Wahl) writes:
>> but I hace been seeing weird errors at boot time ...
>Check your SCSI controller configuration to make sure ...
>As far as the NON-DOS drives, are your drive partitions created by
>DOS's FDISK or by other software such as DM from Seagate? Seagate
>partitions other than the boot partition (if the BOOT partition is
>under your version of DOS's logical limit) will show up as Non-DOS partitions.

Seagate supplies software called Disk Manager to aid in formatting, etc of
their disks.  By default, it only allows one bootable disk, and makes non-
standard partitions (disk manager partitions).  The user can select DOS
partitions, I think it's option 5 (and it is documented very poorly...)
under the partition option menu.  Multiple bootable disks, now that's very
interesting.  My opinion is that only 1 bootable partition will be allowed
per physical drive, under DM at least anyway.  It MAY be a option or allowed
to make multiple drives available bootable, but I doubt it.  I think you
probably will have to reboot and take all other bootable drives off line in
order to force DM to make multiple bootable disks.
Either way, it will be up to your CONTROLLER to allow any disk other than
drive #1 to boot.  It also MUST do something to renumber the drives if that's
your intention.  The organization of logical drives will be messed up and
I think some device driver or software must be used to 'force' other drives
that aren't available at boot time into the system....  
With SCSI disks, support has only been added to disk manager in a recent 
version.  4.5 of 5.0 I believe.  Before that, I don't know at all what will
happen.....
al
 

-- 
Al. Michielsen, Mechanical & Aerospace Engineering, Syracuse University
 InterNet: amichiel@rodan.acs.syr.edu  amichiel@sunrise.acs.syr.edu
 Bitnet: AMICHIEL@SUNRISE 
