CA Dynam for VSE User Guide

Controlling Single and Multi-Volume POWER Offload Tapes
To control single and multi-volume POWER Offload tapes with CA Dynam/T, do
the following:
1. Define a tape device in the IPL procedure that does NOT exist.
For example:
ADD CAA,3480
2. Define that device to CA Dynam/T by using CACCDBU0 or on CUI screen
CAYD1214.
For example:
// EXEC CACCDBU0
ALT DTOPTIONS CPU(*) PWRCUU(CAA) REFRESH(YES)
/*
3. Include the following TLBL in either standard labels or in partition standard
labels in the POWER partition:
// TLBL xxxx,'dsn.name,Z,DL'
where:
Xxxx
dsn.name
is the DTFNAME specified on the TLBL= parameter of the
POFFLOAD command.
is the CA Dynam/T data set name.
,Z allows CA Dynam/T to detect POWER closing the POFFLOAD
tapes.
,DL
Deletes the label for the file at the close of the file.
4. To perform the POWER OFFLOAD, issue one of the following commands:
O cmd,Queue,CAA,,*,TLBL=xxxx
or
O cmd,XMT,CAA,TLBL=xxxx
where:
Cmd
CAA
Xxxx
Queue
is one of the following POFFLOAD commands: BACKUP,
PICKUP, or SAVE.
is the tape address that was added to the IPL procedure and
defined to CA Dynam/T with the PWRCUU parameter.
is the DTFNAME specified in the Standard or Partition label
associated with this POFFLOAD command.
is the queue: LST, PUN, RDR, or XMT.
* is the output class.
Chapter 2: Maintaining Tape Files 2–81