HP StorageWorks SAN Virtualization Services Platform administrator guide (5697-0204, January 2010)

monitored objects (Pages/sec, Avg. Disk Queue Length and % Processor time). They can be removed
by using the Delete key or clicking the delete icon (X).
Add the dedicated performance objects of the VSM agent. Click the '+' icon (or use Ctrl+I) to launch
the Add counters interface. On the Performance object drop-down list, locate 'Sync. Mirror Group
Performance' and 'Sync. Mirror Job Performance'. Each performance object includes multiple counters
and together they show the total and the specific performance for each synchronous mirror group
and jobs that run on the VSM server.
The following image is an example for the Performance Monitor interface when adding the Sync.Mirror
Group performance object.
The following table describes the available counters and what they measure.
ExplanationCounter name
Measures the average time it takes to complete a write
for the synchronous mirror group
Sync.Mirror Group Average Write Response Time
(micro sec)
Counts the READ requests completed by the synchron-
ous mirror group
Sync.Mirror Group Read Rate (Reads/sec)
Counts read throughput of a synchronous mirror groupSync.Mirror Group Read Throughput (Bytes/sec)
Counts the WRITE requests completed by the synchron-
ous mirror group
Sync.Mirror Group Write Rate (Writes/sec)
Counts write throughput of a synchronous mirror groupSync.Mirror Group Write Throughput (Bytes/sec)
The following image is an example for the Performance Monitor interface when adding the Sync.Mirror
Job Performance object.
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