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456W

No ready or history SMF files available for SWITCH ‑ priority dump initiated

Reason

The next SMF disk in the circular chain was in unload status when you requested an SMF SWITCH. CA ACF2 for z/VM sent an SMF dump for this disk to the DESTID before it processed the SMF SWITCH request.

Action

This is a warning message. Save and process the SMF data sent to the DESTID. Priority SMF dump processing decreases CA ACF2 for z/VM throughput, because the CA ACF2 for z/VM service machine cannot process any other request until the dump is complete. Ensure that priority SMF dumps are not required by processing and archiving SMF data with the ACF2PSMF facility when the DESTID receives notification from CA ACF2 for z/VM. (Refer to the CA ACF2 for z/VM Reports and Utilities Guide for a complete explanation of the ACF2PSMF utility.)