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4.3.2 Device Summary Report
CAPACITY This column covers the capacity groups that are being differentiated.
<-----TOTAL-----> This column covers the total capacity in megabytes that has
been allocated to the appropriate group in that line. The capacity is
the sum of all the devices that were selected for the report.
<------TOTALS %------> This column shows the percentage of capacity that the
group in the appropriate line is occupying, always compared to the
100% defined functional capacity in the first row. The percentage is
based on all the devices that were selected for the report.
COMP. RATIO This column shows the real compaction ratio, which is the
quotient of the total functional capacity stored/total physical used
capacity and is a measure of the overall compaction for the devices
selected for the report.
4.3.3 Subsystem Summary Report
SYSTEM This column identifies the system to which the capacity outlined in the
appropriate line applies. If a test system has not been configured,
only the PROD system information is provided.
DEFINED-CAPACITY This column contains the functional capacity in megabytes
for the whole subsystem as it has been configured.
DISK-ARRAY-CAP This column contains the total disk array capacity in
megabytes for the whole subsystem that has been installed.
FREE-DISK-ARRAY-CAP This column contains the current free disk array
capacity in megabytes that is still available for allocation by the RVA
subsystem.
NET-CAPACITY-LOAD(%) This column contains the percentage of the disk array
capacity that is currently being occupied by the TEST, PROD, or both
(OVERALL) systems. This is probably the most important value and
has been placed at the beginning of the very last report line to make
it easy to find.
COLL.-FREE-SPACE(%) This column contains the percentage of the array
cylinders in the subsystem that are free array cylinders (that is, the
total space that can be written to).
UNCOLL-FREESPACE(%) This column contains the percentage of the array
capacity originally occupied when a functional track has been
rewritten to a new location in the disk array.
Chapter 4. IXFP/SnapShot for VSE/ESA 31