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- A serial save is done instead of a parallel save when the save does not support writing to parallel devices, for example if *ALLUSR, *IBM or *NONSYS is specified for the Library (LIB) parameter on the Save Library (
SAVLIBBRM
) command. - In releases IBM i 7.1 and IBM i 6.1, the following PTFs or their superseding PTFs are required:
- In release V5R4M0, parallel saves of *IBM, *ALLUSR, generic libraries or a list of libraries may result in either parallel-parallel or serial-parallel format. To force serial-parallel format for *IBM, *ALLUSR, generic libraries or a list of libraries, run the following command:
CRTDTAARA DTAARA(QUSRBRM/Q1APRLNONE) TYPE(*CHAR) LEN(1)
Performance considerations when saving and restoring data in parallel-parallel format
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