Re: Tape Density Question

It depends on tape drive implementation.
Non-IBM tape drives have to mimick themselves as one of supported IBM tapes
- or system will not reconize them.
In original note down below Exabyte tape was configured to OS/400 as 3422
model A01. 3422 is a 1/2 inch reel-to-reel drive. OS/400 thinks it's
working with 3422 (not with 8mm), so from its point of view this tape can
possibly support only densities like 1600/3200/6250.
This has nothing to do with densities 8mm drives work with.
So you are stuck with density *DEVD, which means, accept whatever density
device itself uses.

Best regards
    Alexei Pytel


Chuck Lewis <clewis@iquest.net> on 12/08/99 08:43:07 AM

Please respond to MIDRANGE-L@midrange.com

To:   MIDRANGE-L@midrange.com
cc:
Subject:  Re: Tape Density Question




Is this JUST for Exabyte Alexei ?

Chuck

pytel@us.ibm.com wrote:

> Exabyte tapes usually mimick themselves as some other type (non-8mm) on
> AS/400, so you cannot control density from OS/400 commands.
> You have to use DENSITY(*DEVD), which will use whatever was set on device
> itself.
> If you want to change density, do it from device control panel.
>
> Best regards
>     Alexei Pytel
>
> Howard Weatherly <hweatherly@dlis.dla.mil> on 12/02/99 12:58:21 PM
>
> Please respond to MIDRANGE-L@midrange.com
>
> To:   MIDRANGE-L@midrange.com
> cc:
> Subject:  Re: Tape Density Question
>
> For Exabyte we have the device defined as 3422 model A01. Exactly how we
> arrived at
> those has escaped me but I suspect that that is what the manual said or
> what tech
> support said. In looking at the descriptions, I cannot tell where the
*DEVD
> parm is?
> but by its name it is refering back to the device type (Resource Name)
and
> Model
> number, so if you can get ahold of someone perhaps there is another
> device/model that
> might yield higher speeds?
>


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