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mylex mdac raid adaptor btld

Message-ID: <3BAA68FC.8EEAF09A@att.net> 
From: Steve Fabac <smfabac@att.net>
Newsgroups: comp.unix.sco.misc
Subject: Re: Help! Unable to link to btld when installing
References: <9oe727$rkv$1@news.hawaii.edu>
<20010920224250.A9350@jpradley.jpr.com>
<9oeanr$21m$1@news.hawaii.edu> 
X-UserInfo1: TSU[@SJGXRWQBWLYMBCB^]\@PJ_^PBQLGPQRJVMHQAVTUZ]CLNTCPFK[WDXDHV[K^FCGJCJLPF_D_NCC@FUG^Q\DINVAXSLIFXYJSSCCALP@PB@\OS@BITWAH\CQZKJMMD^SJA^NXA\GVLSRBD^M_NW_F[YLVTWIGAXAQBOATKBBQRXECDFDMQ\DZFUE@\JM
Date: Fri, 21 Sep 2001 04:09:02 GMT

Larry N Osborne wrote:
> 
> In article <20010920224250.A9350@jpradley.jpr.com>,
> Jean-Pierre Radley  <jpr@jpr.com> wrote:
> >If you have a btld disk, with the mdac driver, then have ytou tired the
> >far-less-complicated link=mdac?
> 
> Oops, sorry.  I never know how much to put in a message.  That's where
> I started.  I get the same "unexpected count ... header read error"
> messages.
> 
> -oz
My last experience with Mylex DAC960PGM 3-chan 8M cache was
an exercise in masochism. I worked for 4-5 hours unsuccessfully
trying all permutations of boot strings with OSS463B since my
SCSI CD ROM was on the ASUS P2L97-S on-board SCSI controller and the
RAID 5 array is on the Mylex controller. I was installing SCO 5.0.4
Enterprise. 

I called Mylex tech support and was advised to follow the example in the
book exactly as it would work. It did. 

The following is the working setup:

Boot the OSS463B N0 disk with the command 

defbootstr ahslink=mdac Sdsk=mdac(0,0,0,1) Srom=alad(0,0,5,0)

Provide the Mylex MDAC driver disk shipped with the product when
asked for the mdac BTLD disk.

Note that the mdac(0,0,0,1)  IS CORRECT and not a typo: Mylex requires
the use of the LUN to specify the system disks provided by the RAID
software.

Note that this was on SCO 5.0.4. Ahslink is the old archaic form of link
and will probably work on 3.2v4.2. You might also look at downloading 
oss429a to get the latest btld code.

> Dear SCO Customer,
> 
> The enclosed Support Level Supplement (SLS) UOD429A, the Boot Supplement SLS, 
> contains various feature enhancements and corrections to known problems with 
> these SCO UNIX Version 4.2 based operating systems:
> 
> SCO UNIX System V/386 Release 3.2 Operating System Version 4.2
> 



-- 

                                      Steve Fabac
                                       S.M. Fabac & Associates
                                        816/765-1670
 

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