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MVCs Written on 9840A or 9840B Drives are Being Reported as 9840C Media (Doc ID 1016633.1)

Last updated on AUGUST 04, 2020

Applies to:

Sun StorageTek Virtual Tape Control Software (VTCS) - Version 6.1 to 7.3 [Release 6.0 to 7.0]
IBM z/OS on System z

Symptoms

Receving ECAM errors when some MVCs are read.
MVC written on 9840A drive is being reported as 9840C media.
MVC written on 9840B drive is being reported as 9840C media.
The data written on some 9840A/B drives can not be read.

RTDs are a mix of 9840A and/or 9840B as well as 9840C
VOLATTR statements were changed so that all MVC volumes are defined as MEDIA(STK1R) RECTECH(STK1RC)

Cause

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