VMware ESXTOP Commands for Storage Monitoring


1. Monitor overall storage performance per HBA:

esxtop

d

f

b,c,d,e,h,j

s,2

2. Monitor storage performance per LUN: *

esxtop

u

f

b,c,f,h

s,2

3. Monitor storage performance per VM: *

esxtop

v

f

b,d,e,h,j

s,2

* These options are only available in ESX 3.5 and greater.

The columns we are going to pay attention to are CMDS/s, DAVG/cmd, KAVG/cmd and GAVG/cmd. Below is a brief description of each of these
values.

CMDS/s:

This is the number of IOPS or Input/Output Operations Per Second being sent to or coming from the device or VM being monitored.

DAVG/cmd:

This is the average response time in milliseconds per command being sent to the device.

KAVG/cmd:

This is the amount of time the command spends in the VMkernel.

GAVG/cmd:

This is the response time as it is perceived by the guest OS.

Source: Vminstall.com

Advertisements

About PiroNet

Didier Pironet is an independent blogger and freelancer with +15 years of IT industry experience. Didier is also a former VMware inc. employee where he specialised in Datacenter and Cloud Infrastructure products as well as Infrastructure, Operations and IT Business Management products. Didier is passionate about technologies and he is found to be a creative and a visionary thinker, expressing with passion and excitement, hopefully inspiring and enrolling people to innovation and change.
This entry was posted in Uncategorized. Bookmark the permalink.

2 Responses to VMware ESXTOP Commands for Storage Monitoring

  1. Incudie says:

    Wow these are some amazing commands.

    Thank you very much!

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s