Expanded Storage Movement and Central Storage Movement sections field descriptions - Documentation for CMF MONITOR 6.1
Ethan Hayes
Published Apr 07, 2026
HIGH UIC - MIN
minimum high Unreferenced Interval Count (UIC) in seconds (time that a page of central storage frames has not been referenced) 1
HIGH UIC - MAX
maximum high Unreferenced Interval Count (UIC) in seconds (time that a page of central storage frames has not been referenced) 1
HIGH UIC - AVG
average high Unreferenced Interval Count (UIC) in seconds (time that a page of central storage frames has not been referenced) 1
RATES - FROM CENTRAL
the rate, in pages per second, VIO, hiperspace, and shared pages were moved from central storage to expanded storage 2
RATES - TO CENTRAL
the rate, in pages per second, VIO, hiperspace, and shared pages were moved from expanded storage to central storage 2
RATES - TO AUXILIARY
the rate, in pages per second, VIO, hiperspace, and shared pages were moved from expanded storage to auxiliary storage 2
PERCENT OF TOTAL - FROM CENTRAL
percentage of the total page movements for this row’s area that were movements from central storage to expanded storage 2
PERCENT OF TOTAL - TO CENTRAL
percentage of the total page movements for this row’s area that were movements from expanded storage to central storage 2
PERCENT OF TOTAL - TO AUXILIARY
percentage of the total page movements for this row’s area that were movements from expanded storage to auxiliary storage 2
FRAME COUNTS - MINIMUM
minimum number of VIO, hiperspace, and shared page frames in use in expanded storage 2 3
FRAME COUNTS - MAXIMUM
maximum number of VIO, hiperspace, and shared page frames in use in expanded storage 2 3
FRAME COUNTS - AVERAGE
average number of VIO, hiperspace, and shared page frames in use in expanded storage 2 3
STORAGE REQUEST RATES
GETMAIN REQUESTS
GETMAIN request rate
FRAMES BACKED
rate of frames backed during issued GETMAIN requests
FIX REQUESTS < 2 GB
rate of fix requests issued for storage below 2 GB (address space only)
FRAMES < 2 GB
rate of frames requested to be fixed for storage below 2 GB (address space only)
FIRST REFERENCE
rate of first page reference faults
NON-FIRST REF
rate of non first page reference faults
