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[Xen-users] [SPAM] XCP host with 2 VMs

From: inas mohamed <inas_2003@xxxxxxxxx>

Date: Tue, 15 Mar 2011 05:50:46 -0700 (PDT)

Delivery-date: Tue, 15 Mar 2011 05:52:09 -0700

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List-id: Xen user discussion <xen-users.lists.xensource.com>

Sorry for posting again, but because the subject.

Hi All,

I have 5 servers each:

Intel Quad Core i7 2.4Gig (8 processors)

2 *1TB HDD

2*1Gig NIC

12G RAM

I installed XCP 0.5 on each and all are joining a resource pool.

Then I installed 2 Centos 5.5 VM on each XCP host and I used the following command to specify the number of vCPUs for each VM:

xe vm-param-set uuid=$VM_UUID VCPUs-max=4

xe vm-param-set uuid=$VM_UUID VCPUs-at-startup=4

//I assigned 8 vCPUs on each host for VMs.

and for RAM size I used:

xe vm-param-set uuid=$VM_UUID memory-static-max=6

xe vm-param-set uuid=$VM_UUID memory-dynamic-max=6

I knew it is wrong and I have to leave at least 512M for the host.Am I correct?

Now all my VMs are halted but when I tried xentop I found CPU(%) high and some times it reaches 100. So, is it normal? if not what is the best configuration for 2 VMs on these hosts to get the best performance and use all resources?

Please can any one provide me the best configuration for 2 VMs on XCP host like mine?

Sorry for my English !

Thanks in advance for any advice.

Inas

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