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

DescriptionMetricMetric category
The sum total of sequen-
tial frontend IO/s
throughput in MB/s trans-
fer rate of all the virtual
volumes in this pool.
SNAPSHOT Pool Total
Sequential MB
The sum total of sequen-
tial frontend read IO/s
throughput in MB/s trans-
fer rate of all the virtual
volumes in this pool.
SNAPSHOT Pool Sequen-
tial Read MB
The sum total of sequen-
tial frontend write IO/s
throughput in MB/s trans-
fer rate of all the virtual
volumes in this pool.
SNAPSHOT Pool Sequen-
tial Write MB
The amount of cache used
in MB.
Cache Usage MB
The writes that are held in
cache, yet to be trans-
ferred to the disks.
Cache Writes Pending
MB
The size of the XP Continu-
ous Access Async sidefile
usage in MB.
Cache Sidefile Usage MB
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.
Ext-RAID Group Total MB
The total frontend
throughput in MB/s data
read or written randomly
to the external volume.
Ext-RAID Group Total
Random MB
The frontend throughput
in MB/s data read ran-
domly from the external
volume.
Ext-RAID Group Random
Read MB
The frontend throughput
in MB/s data written ran-
domly to the RAID group.
Ext-RAID Group Random
Write MB
The total frontend
throughput in MB/s data
read from or written se-
quentially to the external
volume.
Ext-RAID Group Total Se-
quential MB
HP StorageWorks XP Performance Advisor Software User Guide 365