Comments on: Queuedepth, how and when http://www.yellow-bricks.com/2008/10/27/queuedepth-how-and-when/ Building blocks for virtualization... Fri, 19 Mar 2010 17:57:34 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: JasonD http://www.yellow-bricks.com/2008/10/27/queuedepth-how-and-when/comment-page-1/#comment-1514 JasonD Fri, 31 Oct 2008 06:01:30 +0000 http://www.yellow-bricks.com/?p=753#comment-1514 I assume this problem also applies to ESXi? How would you increase the q-len on that platform? I assume this problem also applies to ESXi? How would you increase the q-len on that platform?

]]> By: AlexB http://www.yellow-bricks.com/2008/10/27/queuedepth-how-and-when/comment-page-1/#comment-1500 AlexB Wed, 29 Oct 2008 11:28:52 +0000 http://www.yellow-bricks.com/?p=753#comment-1500 Got it! Open esxtop Press "d" for Disk Statistics Press "v" to display the storage system information per virtual machine or Press "u" to display the information per storage device. Found the information on the technical note from VMware about "Perfomance Analysis Methods" Got it!

Open esxtop
Press “d” for Disk Statistics
Press “v” to display the storage system information per virtual machine
or
Press “u” to display the information per storage device.

Found the information on the technical note from VMware about “Perfomance Analysis Methods”

]]> By: Duncan Epping http://www.yellow-bricks.com/2008/10/27/queuedepth-how-and-when/comment-page-1/#comment-1499 Duncan Epping Wed, 29 Oct 2008 10:24:05 +0000 http://www.yellow-bricks.com/?p=753#comment-1499 I am going to look into this, see if I can find any related problems... can't promise anything though cause I'm not able to reproduce this it's hard to troubleshoot. I am going to look into this, see if I can find any related problems… can’t promise anything though cause I’m not able to reproduce this it’s hard to troubleshoot.

]]> By: AlexB http://www.yellow-bricks.com/2008/10/27/queuedepth-how-and-when/comment-page-1/#comment-1495 AlexB Wed, 29 Oct 2008 07:37:35 +0000 http://www.yellow-bricks.com/?p=753#comment-1495 @tgreat: Have the same Problem @ Duncan: Did not work for the colums ACTV/QUED/%USD/LOAD ... Any solution? @tgreat: Have the same Problem

@ Duncan: Did not work for the colums ACTV/QUED/%USD/LOAD …

Any solution?

]]> By: Duncan Epping http://www.yellow-bricks.com/2008/10/27/queuedepth-how-and-when/comment-page-1/#comment-1482 Duncan Epping Tue, 28 Oct 2008 12:49:35 +0000 http://www.yellow-bricks.com/?p=753#comment-1482 Start with the following: S 2 (this means refresh the data every 2 seconds) Start with the following: S 2 (this means refresh the data every 2 seconds)

]]> By: tgreat http://www.yellow-bricks.com/2008/10/27/queuedepth-how-and-when/comment-page-1/#comment-1480 tgreat Tue, 28 Oct 2008 11:47:55 +0000 http://www.yellow-bricks.com/?p=753#comment-1480 Hi, what can I do if there is no data in columns ACTV/QUED/%USD/LOAD (there is a "-" sign there instead) ? Hi, what can I do if there is no data in columns ACTV/QUED/%USD/LOAD (there is a “-” sign there instead) ?

]]> By: Brent Ozar http://www.yellow-bricks.com/2008/10/27/queuedepth-how-and-when/comment-page-1/#comment-1477 Brent Ozar Mon, 27 Oct 2008 21:37:52 +0000 http://www.yellow-bricks.com/?p=753#comment-1477 You should also check your fiber switch metrics for errors, because you're probably causing collisions. Cranking up the queue depth too far can mean cranking up the error numbers. You should also check your fiber switch metrics for errors, because you’re probably causing collisions. Cranking up the queue depth too far can mean cranking up the error numbers.

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