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Article #176

Re: mounting disk at boot time

#176
From: Christian Neuss
Date: Wed, 22 Jul 1992 16:35
34 lines
1828 bytes
Dear fellow netters,

I tried to mail, but it bounced.. So I'm following up.
alex@fff.chem.utah.edu (Alex Dommasch) writes:

[munch]
>What I'd really like to do is set up the machine to boot off the new 1G disk,  
>and use the existing 400M drive to back up people's home directories, maybe  
>leaving enough files on the 400M disk to boot from if the 1G disk failed.  

Well, it's really not that difficult. The NeXT always boots
off the drive with the lowest scsi-id, so all you have to do
is set the corresponding DIP switches or jumpers so that the 
id of your 1GB disk is lower (I think the default id of the
internal disks is 2). Set it to zero, that won't cause problems.

Under all circumstances get the documentation for that drive!
On some drives, if you don't have docu it's simple impossible to
determine which of the up to 15 jumpers are for setting the id. 
And there are other things you might want to do in the future,
like setting synchronous SCSI mode, wich is not yet supported
by NeXT, but may be supported in a future OS system version.

I assume that there already is a boot block and a kernel on that
drive. If not, you're in trouble, cause you'll loose your data
when building a bootable disk. See the manuals for details or
ask Your Friendly NeXT Dealer.

Well, that's all. Change jumper settings and try to boot. 

Take care,  Chris
/*
 *  Christian Neuss  %  neuss@igd.fhg.de  %  HI B.BUM!
 */
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Path: arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!jvnc.net!yale.edu!ira.uka.de!fhg!igd!carioca!neuss
References: <1992Jul20.192645.4318@fcom.cc.utah.edu>

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From: neuss@igd.fhg.de (Christian Neuss )
Newsgroups: comp.sys.next.sysadmin
Subject: Re: mounting disk at boot time
Message-ID: <neuss.711822917@carioca>
Date: 22 Jul 92 16:35:17 GMT
References: <1992Jul20.192645.4318@fcom.cc.utah.edu>
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