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  • (01. January 2010., 10:27:49)












Author Topic: (solved) Q: Windows 2012 Server: disk activity not shown in performance monitor?  (Read 1272 times)

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devnullius

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FROM: http://www.hyper-v.nu/archives/hvredevoort/2013/11/disk-performance-counters-in-windows-server-2012-r2-task-manager/

Written by Hans Vredevoort

Have you ever wondered why you DO see performance data in Windows 8/8.1 under the performance tab in Task Manager, but DON’T see this same information in Windows Server 2012/2012 R2?


(seems these guys are outclassing me... Whatever they have paid for such a rig??)

FROM: http://blogs.technet.com/b/canitpro/archive/2013/12/03/step-by-step-enabling-disk-performance-counters-in-windows-server-2012-r2-task-manager.aspx

Written by Anthony Bartolo

Step-By-Step: Enabling Disk Performance Counters in Windows Server 2012 R2 Task Manager

In Windows Server 2012 R2, disk performance counters were disabled by default because of a noted significant performance impact in collecting Disk metrics on a Server. This is due to the overhead Task Manager can cause when querying each Disk IO for each process/thread on the individual disk. Interestingly enough disk resource values are visible in the Processes view of Task Manager found on Windows 8.1.  Not to fret though, as enabling disk performance counters in Windows Server 2012 R2 is far from being a daunting task.
 

Step 1: Enabling Disk Performance Counters
 

Ensure Task Manager is closed.
 
Launch the Command Prompt using the "Run as Administrator" option.
 
Enter the following at the Command Prompt:
 
diskperf -Y
 
 Hit Enter.
 
Close the Command Prompt.
 
Re-open the Task Manager.
 
After running the diskperf command, the ability to view Disk performance statistics on the performance tab should now be visible.

(You don't have to be a genius to figure out how to disable it again: seems I should do this on all my workstations computers... They usually are busier than a server any way :) Though I'm wondering... Is it really that bad? Curious if anyone has any experiences...??)

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lisaharris7

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Very good reference! It was helpful and informative post to increase the knowledge. Thanks a lot for sharing.

 

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