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From: Bela Lubkin <belal@sco.com>
Subject: Re: Determine SCSI disk model?
Date: Fri, 19 Mar 2004 19:31:53 GMT
Message-ID: <20040319193153.GM24746@sco.com> 
References: <6f5m50hd7658jdvlammq17ggceh0ijpes0@4ax.com> <mailman.0.1079713272.25459.sco-misc@lists.celestial.com> 

Bill Campbell wrote:

> On Fri, Mar 19, 2004, dap99@i-55.com wrote:
> >In Linux and other Unix systems I can figure out the model of a SCSI
> >disk by viewing dmesg. In SCO I only see things like:
> >
> >%tape     -    -   -       type=S ha=0 id=3 lun=0 bus=0 ht=slha
> >%disk     -    -   -       type=S ha=0 id=0 lun=0 bus=0 ht=slha
> >%Sdsk     -    -   -       cyls=1022 hds=138 secs=63 fts=stdb
> >
> >Is there a way to determine the model of my SCSI disk without
> >resorting to a reboot or, heaven forbid, opening the case!?
> 
> Attached is a perl script I wrote many years ago that gets disk information
> for SCSI disks on an OpenServer system, and creates groff input.
> 
> USE AT YOUR OWN RISK!  It's never broken anything on any of our systems,
> but the script was written in 1997, and hasn't been tested on all current
> versions of OpenServer.

This script uses badtrk(ADM) to dump the SCSI disk vendor and product:

>    $cmd = "/etc/badtrk -e -f $sa_dev 2>&1";
>    print $cmd;
>    open(BADTRK, "echo \"q\n\n\" | $cmd |");
>    while(<BADTRK>) {
>            chop;
>            print if (/^(scsi version|vendor|product)/);
>    }
>    close(BADTRK);

You probably copied the `badtrk` invokation from /usr/lib/mkdev/hd.  The
"-e" option gives badtrk permission to destroy your disk (you're telling
it that this is a disk that's being newly initalized, so it's OK to
change the size of its alias block table -- which destroys existing
divisions).  Fortunately, you aren't telling it to scan for bad blocks,
so it won't have any _reason_ to grow the table.  Still, you should
remove that flag.

For the original poster: just run `badtrk -f /dev/rhd0a`, quit out of it
immediately.  Run it against the active partition of whatever drive you
want to examine (/dev/rhd2a, /dev/rdsk/8sa, etc.)  This displays drive
information like:

  scsi version = 2
  vendor = QUANTUM 
  product = XP34550W        

OpenServer 5.0.7 adds a third printcfg line for SCSI disks:

  %disk     -               -  -  type=S ha=0 id=0 lun=0 bus=0 ht=ad160 unit=0
  %Sdsk     -               -  -  cyls=4462 hds=255 secs=63 unit=0 fts=stdb
  %Sdsk-0   -               -  -  Vnd=SEAGATE Prd=ST336752LW Rev=0004

>Bela<

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