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vSphere Windows 2000 guest os bad performance

Posted on 2010-04-08
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We just migrated several old Windows 2000 SP3 servers to vSphere environment, those servers have our J.D. Edward Xe B7333 SP21 client on it. After we migrated, we found out the performance is too bad. A report can be generated by old server in about 4 minutes, but the migrated took about 8 minutes to do so. We even tried to let 1 ESX server to only host this migrated machine. It is still slow. This happened to all migrated machine.

We also have another vm on Xen Free 5.5. Installed with same JDE client. It runs faster.
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Question by:Advantek
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by:coolsport00
ID: 30159027
What resources (RAM, CPU) have you given the VM? Is there a reason why you don't have SP4 installed on Win2K? Have you checked Task Mgr to see what processes/services may be running hindering performance?

Regards,
~coolsport00
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by:Advantek
ID: 30159396
3GB RAM and 4 vCPUs have been give to the VM. We also tried SP4 installed. Still slowness. Task manager did not show any busy peak usage.
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by:coolsport00
ID: 30160060
How many physical CPUs are in the host? Do you have any performance alerts when you log into the host with vSphere Client? I actually would decrease the VPU count to 1 and see how performance is; work your way up to 2 if it's still slow.

~coolsport00
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by:Advantek
ID: 30160231
I also tried to let the host to run on only one this VM. but still slow.
The host is brand new Dell R510 Quad-core * 2, 16GB memory.

I also tested to assign from 1 vCPU to 4. still the same.
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by:coolsport00
ID: 30160290
Wait...did you do a P2V? This isn't a newly created VM that you installed your software on, correct?
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by:Advantek
ID: 30160567
Two E5530 CPUs on the new machine. No performance alerts. I also tried to decrease the vCPU to 1. But problem is still there.
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by:Advantek
ID: 30160642
The problem we found out on the P2V machines, but we also tried this on a fresh installed W2K SP3 and W2K SP4 machines. Still slow but better than P2V machine a bit.

But the same fresh installed SP3 and SP4 on Xen testing server is faster.
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by:coolsport00
ID: 30162999
Hmm...I'm out of ideas to look at 'Advantek' :(
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by:rindi
ID: 30176436
Did you install the VMware Tools on the VM's?
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by:Advantek
ID: 30176626
yes. I did install the vmware tools on the vm.
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Accepted Solution

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Advantek earned 0 total points
ID: 33890737
We figured out this problem was caused by the JDE client program cannot have the good performance on VM . Seems this is the problem of vmware simulation issue. Windows 2000 OS is too old, even we can run the applications on top of vmware, but they won't have good performance.
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