Table C-3.
Disk Data Counters
Counter
Label
Description
Entity
V H R C
commands
Disk Commands
Issued
Number of SCSI commands issued during the collection
interval.
n
Stats Type: delta
n
Unit: number
n
Rollup Type: summation
n
Collection Level: 2
n
VC/ESX: Yes/Yes
• • ο ο
commandsAborted
Disk Command
Aborts
Number of SCSI commands aborted during the collection
interval.
n
Stats Type: delta
n
Unit: number
n
Rollup Type: summation
n
Collection Level: 2
n
VC/ESX: Yes/Yes
• • ο ο
deviceLatency
Physical Device
Command
Latency
Average amount of time, in milliseconds, to complete a SCSI
command from the physical device.
n
Stats Type: absolute
n
Unit: millisecond
n
Rollup Type: average
n
Collection Level: 2
n
VC/ESX: Yes/Yes
ο • ο ο
deviceReadLatency
Physical Device
Read Latency
Average amount of time, in milliseconds, to complete read from
the physical device.
n
Stats Type: absolute
n
Unit: millisecond
n
Rollup Type: average
n
Collection Level: 2
n
VC/ESX: Yes/Yes
ο • ο ο
deviceWriteLatency
Physical Device
Write Latency
Average amount of time, in milliseconds, to write to the
physical device (LUN).
n
Stats Type: absolute
n
Unit: millisecond
n
Rollup Type: average
n
Collection Level: 2
n
VC/ESX: Yes/Yes
ο • ο ο
kernelLatency
Kernel Disk
Command
Latency
Average amount of time, in milliseconds, spent by VMkernel
processing each SCSI command.
n
Stats Type: absolute
n
Unit: millisecond
n
Rollup Type: average
n
Collection Level: 2
n
VC/ESX: Yes/Yes
ο • ο ο
kernelReadLatency
Kernel Disk Read
Latency
Average amount of time, in milliseconds, spent by VMKernel
processing each SCSI read command.
n
Stats Type: absolute
n
Unit: millisecond
n
Rollup Type: average
n
Collection Level: 2
n
VC/ESX: Yes/Yes
ο • ο ο
vSphere Basic System Administration
332
VMware, Inc.
Содержание 4817V62 - vSphere - PC
Страница 13: ...Getting Started VMware Inc 13...
Страница 14: ...vSphere Basic System Administration 14 VMware Inc...
Страница 24: ...vSphere Basic System Administration 24 VMware Inc...
Страница 38: ...vSphere Basic System Administration 38 VMware Inc...
Страница 76: ...vSphere Basic System Administration 76 VMware Inc...
Страница 85: ...Virtual Machine Management VMware Inc 85...
Страница 86: ...vSphere Basic System Administration 86 VMware Inc...
Страница 98: ...vSphere Basic System Administration 98 VMware Inc...
Страница 131: ...3 Click OK Chapter 11 Creating Virtual Machines VMware Inc 131...
Страница 132: ...vSphere Basic System Administration 132 VMware Inc...
Страница 140: ...vSphere Basic System Administration 140 VMware Inc...
Страница 172: ...vSphere Basic System Administration 172 VMware Inc...
Страница 182: ...vSphere Basic System Administration 182 VMware Inc...
Страница 200: ...vSphere Basic System Administration 200 VMware Inc...
Страница 207: ...System Administration VMware Inc 207...
Страница 208: ...vSphere Basic System Administration 208 VMware Inc...
Страница 278: ...vSphere Basic System Administration 278 VMware Inc...
Страница 289: ...Appendixes VMware Inc 289...
Страница 290: ...vSphere Basic System Administration 290 VMware Inc...
Страница 324: ...vSphere Basic System Administration 324 VMware Inc...
Страница 364: ...vSphere Basic System Administration 364 VMware Inc...