Storage Statistics
The following example shows some I/O statistics:
$vmware-toolbox-cmd stat raw text vscsi scsi0:0num.reads = 12605 num.writes = 1039 size.reads = 533612032 size.writes = 14279680 latency.reads = 1944173239 latency.writes = 102025122
num.reads
– read commands.num.writes
– write commands.size.reads
– bytes read.size.writes
– bytes written.latency.reads
– microseconds of all read commands.latency.writes
– microseconds of all write commands.The read IOPs over the last 10 seconds can be calculated as:
(
num.reads
@ TimeNow
) – (num.reads
@ Time10sec
)
–––––––––––––––––––––––––––––––––––––––––––––
TimeNow
– Time10sec
The average latency of reads over the last ten seconds can be calculated as:
(
latency.reads
@ TimeNow
) – (latency.reads
@ Time10sec
)
––––––––––––––––––––––––––––––––––––––––––––––––––––––
(num.reads
@ TimeNow
) – (num.reads
@ Time10sec
)