VMTAPE DEN field

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#191

From: Jeremy Leeser
Date: Mon, 26 Aug 1996 00:00

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>When I create a tape with VMTAPE using a TimberLine STK (36-tracks
>recording technique) the density of the volume as indicated in the TMC is
>E3,
>standing for non-IDRC. But the STK HW guys keep telling me that IDRC is
>part of TimberLine and cannot be disabled...

The density value in the TMC is selected based upon the density option on
the mount command, or the default value, as indicated by the DEFDEN record
in the VMTAPE CONFIG file.

You may wish to change your default density to either "EXF" (which is 36
TRK, 38K bpi w/IDRC on a standard cartridge) or "ENHXF" (which is the same,
but with an enhanced capacity cartridge.)   This will cause x'E7' to be
recorded in the TMC and that indicates IDRC was used unless the user
specifies otherwise by overriding the default density with the mount
option.

Regards,
Jeremy Leeser
Sterling Software

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From: Jeremy Leeser <Jeremy_Leeser@STERLING.COM>
Subject: VMTAPE DEN field
Date: 1996/08/26
Message-ID: <9607268410.AA841094911@GUMBY.Reston.VMD.Sterling.Com>
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