6.7

Table Of Contents
Table 1107. Data Counters
Chart Label Description
Read Requests Number of virtual disk read commands completed on each virtual disk on the
virtual machine. The aggregate number of all virtual disk read commands is also
displayed in the chart.
n
Counter: numberRead
n
Stats Type: Absolute
n
Unit: Number
n
Rollup Type: Average
n
Collection Level: 2
Write Requests Number of virtual disk write commands completed on each virtual disk on the
virtual machine. The aggregate number of all virtual disk write commands is also
displayed in the chart.
n
Counter: numberWrite
n
Stats Type: Absolute
n
Unit: Number
n
Rollup Type: Average
n
Collection Level: 2
Virtual Disk Rate (KBps)
The Virtual Disk Rate chart displays virtual disk usage rate for the virtual machine.
After you click Overview on the Performance tab of the virtual machine, you can view this chart by
selecting Home from the View drop-down menu. It is available only at collection levels 3 and 4.
Table 1108. Data Counters
Chart Label Description
Read Requests Number of virtual disk read commands completed on each virtual disk on the
virtual machine. The aggregate number of all virtual disk read commands per
second is also displayed in the chart. Read rate = blocksRead per second ×
blockSize
n
Counter: read
n
Stats Type: Rate
n
Unit: KiloBytes per second (KBps)
n
Rollup Type: Average
n
Collection Level: 3
Write Requests Number of virtual disk write commands completed on each virtual disk on the
virtual machine per second. The aggregate number of all virtual disk write
commands per second is also displayed in the chart. Write rate = blocksWritten
per second × blockSize
n
Counter: write
n
Stats Type: Rate
n
Unit: KiloBytes per second (KBps)
n
Rollup Type: Average
n
Collection Level: 3
vSphere Monitoring and Performance
VMware, Inc. 86