Re: File copy operations and server performance problems?



Why should a disk to disk copy cause paging I/O to a third disk?

That doesn't seem to be an efficient way to copy a file...

Olav

"Jabez Gan [MVP]" <mingteikg@xxxxxxxxxxxxxxxxxxxxx> wrote in message news:1B8FC3F8-C3F9-4FA8-A731-381AFC15AF93@xxxxxxxxxxxxxxxx
Not too sure but, please make sure that your pagefile is located on another physical hard disk (instead of the system disk)...

--
Jabez Gan [MVP]
Microsoft MVP: Windows Server
http://www.blizhosting.com
MSBLOG: http://www.msblog.org


"Olav" <x@xxxxx> wrote in message news:u9FZdr$jHHA.4936@xxxxxxxxxxxxxxxxxxxxxxx
I have seen this problem on may hardware combinations:

When I copy large (> 5GB) Virtual Machine images from one disk to another on a Windows Server 2003 machine (x64 with 4GB RAM), the machine will get into serious performance problems. Remote desktop hangs and / or gets extremely sluggish. Virtual machines running is not responding etc. Ping responds ok during the copy. In performance monitor, I can see that Pages / sec is going over the roof.

This is a very serious problem.

Anyone else seen this or know how to fix this?

Olav


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