HP XP Array Manager Software - Manual (Page 70)

Glossary-2 Glossary
Hitachi Cache Manager User’s Guide
Extent Relation (continued):
EQUAL The number of dataset extents managed by the VTOC is the
same as the number of datasets from which statistics are
derived.
EQUAL- The number of dataset extents managed by the VTOC is less
than the number of datasets from which statistics are derived.
LONG The number of dataset extents from which statistics are derived
includes extents that do not have datasets.
SHORT The number of dataset extents from which statistics are derived
includes datasets that do not have extents.
NVS:
destaging Write-pending data is being destaged to disk.
disabled Non-volatile storage cache is offline, and DFW function is
stopped.
disconnected Non-volatile storage is offline due to maintenance.
enabled Non-volatile storage is normal status.
NVS error Non-volatile storage cache memory error has occurred, and
DFW function has been stopped.
NVS off error Non-volatile storage function failed to stop.
parity group A set of hard disk drives that have the same capacity and are
treated as one RAID group. Another name for parity group is
array group.