Tape Drives Do Not Vary On at IPL

Last several IPLs, I've been noticing that not all tape drives are reporting in properly.
This is turn caused a following dedicated system save to fail - Minimum number of resources not available.

IBM support is suggesting I set the library device, TAPMLB01, Online at IPL to *NO, and vary on manually in my QSTRUP pgm.

https://www.ibm.com/support/pages/node/644039

Resolving The Problem
With the advent of faster processors in the IBM System i products, IPL times are becoming shorter and shorter. As a result, some tape drive resources have not reported into the Hardware Service Manager (HSM) in Service Tools by the time the system is ready to VARY ON the tape or tape library device description. This can occur even though the device description has ONLINE AT IPL (ONLINE) set to *YES. This may result in CPD26D6 and CPD27EF messages being issued during the IPL. Tape drive resources under the tape library description may have a status of DEALLOCATED.

Anyone in the group experiencing similar issues.


Thank You
_____
Paul Steinmetz
IBM I Power9 Administrator

Pencor Services, Inc.
462 Delaware Ave
Palmerton Pa 18071

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