Information Technology Reference
In-Depth Information
Table 13.3:
Available disk performance counters (continued)
Counter
DC
CL
ESXi
RP
VM
Balloon Target
X
Zipped Memory
X
Memory Saved By
Zipping
X
In the section “Monitoring Memory Usage,” you'll get the opportunity to use these different
objects and counters to monitor how ESXi and VMs are using memory.
Viewing Disk Performance Information
Disk performance is another key area that vSphere administrators need to monitor. Table 13.4
shows you the most important objects and counters available for disk performance informa-
tion. A complete list of all disk performance counters can be found at www.sybex.com/go/
masteringvsphere.
Table 13.4:
Available disk performance counters
Counter
DC
CL
ESXi
RP
VM
Disk Bus Resets
X
X
Disk Commands
Ter m i n ated
X
X
Disk Kernel
Command Latency
X
X
Disk Kernel Read
Latency
X
X
Disk Kernel Write
Latency
X
X
Disk Maximum
Queue Depth
X
X
Disk Command
Latency
X
X
Disk Read Latency
X
X
Disk Write Latency
X
X
Disk Queue
Command Latency
X
X
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