HP XP P9000 Performance Advisor Software - Manual (Page 402)

Table 41 Metrics and descriptions (continued)
Description Metric Metric category
rate of all the virtual volumes
in this pool.
The sum total of sequential
frontend write I/Os Total Sequential Write MB –
Frontend
throughput in MB/s transfer
rate of all the virtual volumes
in this pool.
Details the usage of the
shared memory and cache CM ACP BUS/PATH
UTILIZATION
memory bus by the CHA or
DKA.
Each External RAID group
value is the sum of the LDEVs The total frontend throughput
in MB/s data read or written
to the external volume. Total MB – Frontend
in the selected Ext-RAID
groups of the array.
The chart displays only one
Ext-RAID Group, if
The total frontend throughput
in MB/s data read or written
randomly to the external
volume. Total Random MB – Frontend
configuration data is collected
using the inband mode. The
value displayed in the chart
The frontend throughput in
MB/s data read randomly
from the external volume. Total Random Read MB –
Frontend
is a sum of all the Ext-RAID
Groups in the array.
The frontend throughput in
MB/s data written randomly
to the RAID group. Total Random Write MB –
Frontend
The total frontend throughput
in MB/s data read from or Total Sequential MB –
Frontend
written sequentially to the
external volume.
The frontend throughput in
MB/s data read sequentially
from the external volume. Total Sequential Read MB –
Frontend
The frontend throughput in
MB/s data written Total Sequential Write MB –
Frontend
sequentially to the external
volume.
The amount of cache used
in MB. Cache Usage MB Cache MB Metric
The writes that are held in
cache, yet to be transferred
to the disks. Cache Writes Pending MB
The size of the P9000
Continuous Access Cache Sidefile Usage MB
Asynchronous side file usage
in MB.
Single CLPR, data accessed
or the reads on a single
CLPR. CLPR Read Hits Cache IO Metric
402 Metric Category, metrics, and descriptions