HP StorageWorks P9000 Performance Advisor Software v5.4 User Guide (T1789-96328, April 2012)

DescriptionMetricMetric category
The sum total of sequen-
tial frontend write I/Os
throughput in MB/s trans-
fer rate of all the virtual
volumes in this pool.
Total Sequential Write
MB — Frontend
Details the usage of the
shared memory and
cache memory bus by the
CHA or DKA.
CM ACP BUS/PATH
UTILIZATION
Each External RAID group
value is the sum of the
LDEVs in the selected Ext-
RAID groups of the array.
The chart displays only
one Ext-RAID Group, if
configuration data is
collected using the inband
mode. The value displayed
in the chart is a sum of all
the Ext-RAID Groups in the
array.
The total frontend
throughput in MB/s data
read or written to the ex-
ternal volume.
Total MB — Frontend
The total frontend
throughput in MB/s data
read or written randomly
to the external volume.
Total Random MB —
Frontend
The frontend throughput
in MB/s data read ran-
domly from the external
volume.
Total Random Read MB
— Frontend
The frontend throughput
in MB/s data written ran-
domly to the RAID group.
Total Random Write MB
— Frontend
The total frontend
throughput in MB/s data
read from or written se-
quentially to the external
volume.
Total Sequential MB —
Frontend
The frontend throughput
in MB/s data read se-
quentially from the extern-
al volume.
Total Sequential Read MB
— Frontend
The frontend throughput
in MB/s data written se-
quentially to the external
volume.
Total Sequential Write
MB — Frontend
The amount of cache used
in MB.
Cache Usage MB
Cache MB Metric
The writes that are held in
cache, yet to be trans-
ferred to the disks.
Cache Writes Pending
MB
The size of the P9000
Continuous Access Asyn-
chronous side file usage
in MB.
Cache Sidefile Usage MB
Metric Category, metrics, and descriptions454