The CA ACF2 for z/VM service machine rotates SMF recording and marks each minidisk with a status indicator to manage your site‑defined minidisks.
The minidisk currently used for SMF recording. Only one minidisk is active at one time.
An historical disk that becomes the active disk when the currently active disk becomes full or is switched.
This SMF minidisk is full or you issued the ACFSERVE SWITCH command to stop the recording. The action CA ACF2 for z/VM takes depends on the site‑defined value you set for the SWITCH operand of the @SMF macro in the ACFFDR. Specifically,
Dumps the minidisk in SENDFILE format. When the dump of the minidisk completes, the minidisk status becomes HISTORY.
Sends a notification file to inform site‑defined file management routines that a minidisk is ready to process. When CA ACF2 for z/VM finishes processing the minidisk, issue the following command to change the minidisk status to HISTORY:
ACFSERVE ARCHIVE SMF
Although multiple minidisks can have the UNLOADING status when SWITCH=NOTIFY, you should process UNLOADING status files as soon as possible to avoid losing SMF data.
This minidisk contains historical SMF data. Multiple minidisks can have HISTORY status.
The CA ACF2 for z/VM reporting facility, ACFRPTPP (the preprocessor), and ACFSMCOP (the SMF copy utility) can read the READY, ACTIVE, and HISTORY minidisks directly.
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