Re: OpenVMS Management Station - HSZTERM

From: Dave Baxter (dave.baxter_at_bannerhealth.com)
Date: 07/29/04 

Date: 29 Jul 2004 08:18:31 -0700

David J Dachtera <djesys.nospam@comcast.net> wrote in message news:<4108572C.96AC6A53@comcast.net>...
> > >>>
> > >>>You can find a kit for it here:
> > >>>
> > >>>http://www.djesys.com/freeware/vms/
> > >>>http://www.djesys.com/freeware/vms/hszterm.zip
> > >>>
> > >>>However, I do not assume *ANY* responsibility for the product or
> > >>>anyone's use of it. I just have the kit available for folks who want to
> > >>>try to use it. It is not supported by OpenVMS Engineering, hp Storage
> > >>>Engineering or anyone else. Y.O.Y.O.
> > >>>
> > >>>D.J.D.
> > >>
> > Not only is it not supported, but AFAIK you are strongly discouraged to use it
> > by OpenVMS engineering, since using it may result in data corruption !
>
> Careful there! See my response to Ken Fairfield in another thread.
>
> The issue is not HSZTERM$SCSIPAD, per se. The issue is using one of the
> disk units as the communication channel instead of the virtual console
> unit. Early HSZs and HSZ firmware did not provide a virtual console LUN;
> so, the only choice you had was a disk LUN.
>
> Current versions of HSZ and HSG firmware provide for a virtual console
> LUN. HSG80 firmware V8.7-7 limits non-disk-I/O communication to the
> virtual console LUN ($1$GGAxxxxx:).
>
> For what it may be worth, I've worked a number of sites that use HSZTERM
> in batch jobs to split mirror-sets nightly - with no issues. Those
> procedures are still running today (some are getting to be six and seven
> years old!).
>
> D.J.D.

     I'm not going to get into the "corruption" discussion, I just
want to clarify the solution for those who want to install it. The
link to the HSZTERM.ZIP file, given by David, is good and is easy to
download. But note his comments earlier in the thread. "You need
UNZIP V5.2 or later".
     My initial attempts to unzip the file failed, so I took Davids
advice and got the latest version (V5.51) from;

ftp://ftp.process.com/vms-freeware/fileserv/unzip.zip

     (The server will allow an "anonymous" ftp login, so you can
download directly to your vms box). You will need a C Compiler on
your system since the code has to be compiled and linked. (I didn't
have C compiler on my HSG-using system so I compiled the code on one
of my old CI cluster boxes, and then copied the object files over. I
then linked the objects on the target system and all seems well).
With the new UNZIP file the unpacking of the HSZTERM.ZIP file
succeeded.
      When I ran VMSINSTAL I got an "Installation Failure" message
however I think that was from its attempts to run the IVP. The
HSZTERM$SCSIPAD.exe landed in SYS$SYSTEM;, The HLP file seems to have
been properly installed since the /SCSI qualifier is now in the "SET
HOST" help. And most importantly, when I execute $ set host /scsi
$1$GGA8000:, it connects straight to the controller.

My thanks to David for his help in getting this set up on my system.

Dave Baxter.

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