StorageWorks question

From: Zane H. Healy <healyzh_at_aracnet.com>
Date: Sun May 11 12:46:00 2003

> > >1 x HSD10-AA DSSI-SCSI controller (what does this do, exactly?)
> >
>> As mentioned, it lets you use SCSI devices on a MicroVAX with DSSI.
>
>It has three connectors on the front; two 50-pin high-density
>D-connectors (like SCSI-2 conectors) and an RJ11. I assume those
>50-way connectors are DSSI, and the RJ11 is for a terminal?

I've never actually seen one, so without looking up the manual, I'm not sure. There are a couple poeple on the list here that I think have them, to bad they've not commented.

>Yes, it is. Two of them, in fact. The module is in the top, inserted
>from the front, same as everything else. Ah, I guess you're thinking
>in terms of a horizontal rack-mounted unit (the other one that the
>VAXes had was mounted like that); this unit has the extra pieces for
>floor mounting and (AFAIK) doesn't have the brackets for rack mounting.
>
>Does it make sense to have both the 70-32155-01 SCSI interface and the
>HSD10-AA DSSI/SCSI unit in the same shelf?

I'm wonderind if the HSD10 needs to be cabled to it, or if it is not used. There is a third possibility, the shelf might be split into two segments, one acting as a DSSI device and one acting as Narrow SCSI

> > >1 x RZ29B 4.3GB fast wide disk
> >
>> RZ29B-VW?
>
>RZ29B-VA, it says on the outside.

OK, you've got a Narrow 4.3GB disk, not wide. The BA356 shelf, which is what I'm sure you've got based on the 8-bit personality module, can use either Narrow or Wide devices. The BA350 doesn't use personality modules.

> > These are actually the fans on the back of the shelf. The
> > good news is they're the good dual-speed ones that support
> > the 7200RPM drives.
>
>Ok, so I shouldn't just dump it, then ;-)

No. If you weren't on the other side of the pond, I'd offer you something for it, but I fear what just shipping on the everything would be, even if the powersupplies and disks were left out!

>To be honest, though, I don't think I want to keep it. I have two
>MicroVAXes, a uVAX-II in a BA23, and a uVAX 3100 (DV-31AT1-A, on the
>label on the back). Both have internal drives. I'm not likely to use
>either for anything serious, and I need the space the StorageWorks unit
>is occupying.

If you got the cabling sorted out, it would be an excellent 2nd disk and backup device for the 3100 (minus the DSSI converter). Actually if you pulled the DSSI converter it should work on one of your other systems such as your SGI Workstation.

                        Zane



-- 
--
| Zane H. Healy                    | UNIX Systems Administrator |
| healyzh_at_aracnet.com (primary)    | OpenVMS Enthusiast         |
|                                  | Classic Computer Collector |
+----------------------------------+----------------------------+
|     Empire of the Petal Throne and Traveller Role Playing,    |
|          PDP-10 Emulation and Zane's Computer Museum.         |
|                http://www.aracnet.com/~healyzh/               |
Received on Sun May 11 2003 - 12:46:00 BST

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