HP StorageWorks XP Performance Advisor Software v4.6 User and Troubleshooting Guide (T1789-96094, June 2010)

DescriptionMetricMetric category
The total utilization of the
entire RAID group over an
entire collection interval.
When a RAID group is
associated with a ThP
pool, this metric provides
the extent of RAID group
utilization due to I/Os
occurring on a ThP pool.
Overall RAID Group Util-
ization
The utilization of the RAID
group for random reads.
RAID Group Utilization
Random Reads
The utilization of the RAID
group for random writes.
RAID Group Utilization
Random Writes
The utilization of the RAID
group for writing random
parity.
RAID Group Utilization
Random Write Parity
The utilization of the RAID
group for sequential
reads.
RAID Group Utilization
Seq Reads
The utilization of the RAID
group for sequential
writes.
RAID Group Utilization
Seq Writes
The utilization of the RAID
group for writing sequen-
tial parity.
RAID Group Utilization
Seq Write Parity
Cache Usage Utilization,
Cache Writes Pending
Utilization, Cache Sidefile
Usage Utilization.
The utilization of the
cache shown as a percent-
age value.
Cache Usage Util
The utilization of the
cache write pending
shown as a percentage
value.
Cache Writes Pending
Util
The utilization of the side-
file shown as a percent-
age value.
Cache Sidefile Usage Util
The usage rate of a XP
Thin Provisioning (THP)
pool. The THP Pool Occu-
pancy is displayed only for
an XP24000 type array.
The utilization of the THP
pool shown as a percent-
age value.
THP Pool Occupancy
The usage rate of a Snap-
shot pool. The Snapshot
Pool Occupancy is dis-
played for the XP12000
and later type arrays.
The utilization of the
snapshot pool shown as
a percentage value.
SNAPSHOT Pool Occu-
pancy
Appendix F368