HP StorageWorks P9000 Performance Advisor Software v5.2 User and Troubleshooting Guide (T1789-96315, June 2011)

DescriptionMetricMetric category
The utilization of Com-
mand CHIP transfer bus
HI.
CM CHIP Bus/MBus Hi
Util
The utilization of Com-
mand ACP transfer bus
Low.
CM ACP Bus/MBus Lo
Util
The utilization of a RAID
group at each of its indi-
vidual LDEV levels divided
by the number of disk
mechs of the RAID group
to which the LDEVs be-
long.
LDEV RG Utilization
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
Metric Category, metrics, and descriptions450