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Asset ID: 1-71-1594831.1
Update Date:2017-05-22
Keywords:

Solution Type  Technical Instruction Sure

Solution  1594831.1 :   T10000C/D - Why Is The Starting Capacity Set for 1 TB For DFRMM?  


Related Items
  • StorageTek T10000C Tape Drive
  •  
  • StorageTek T10000D Tape Drive
  •  
Related Categories
  • PLA-Support>Sun Systems>TAPE>Tape Hardware>SN-TP: STK T-Series Drive
  •  




In this Document
Goal
Solution


Applies to:

StorageTek T10000C Tape Drive - Version All Versions to All Versions [Release All Releases]
StorageTek T10000D Tape Drive - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Goal

 Discussion on T10000C/D capacity.

Solution

A T10000C tape drive emulates an IBM TS1130 tape drive and T10000D emulations a TS1140.  The T10000C  drive reports the capacity of 1 TB uncompressed (4 TB for T10000D) at the beginning of tape as that is the highest capacity number the Operating System will accept for a TS1130/TS1140 device.  As the tape is used, the application (DFHSM) uses the Percent Of Tape Capacity (POTC) count to display how much capacity remains on this tape after compression.

 

Example: The T10000C POTC count is 1/5th what IBM TS1130 is, thus it can write 5TBs (uncompressed).


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