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On Jul 22, 2020, at 3:54 PM, Joe Pluta <joepluta@xxxxxxxxxxxxxxxxx> wrote:
What's a "parallel save", Rob? I read the IBM pages and ended up more lost than I started.
On 7/22/2020 2:51 PM, Rob Berendt wrote:
According to a case I have opened:
Straight to the reported issue we would like to advise that we usually recommend NOT to use SWA for the IFS portion of your save. Save-while-active rarely provides a benefit for the IFS, and can especially hurt the performance of a parallel IFS save. Even if SAVACT(*YES) is specified, a parallel save requires SAVACT(*SYNC), in which no IFS data is written to any of the tapes until after all the IFS objects are check-pointed.
Oh, and yes I am using a parallel IFS save.
Rob Berendt
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