bashtien
Contributor
Contributor

Huge size of a disk storage

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Hi,

We have a file server with Windows 2008 R2 and we are looking to offer to client a 2TB disk space for the files.

What would be the best way to provisioned a 2 TB hard disk drive for a server ? VMFS or RDM

We are using vSphere 4

Thanks in advance

Sebastien

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jkumhar75
Hot Shot
Hot Shot

As per the VMware standard recommendation if you are assigning the LUNS for the VMFS file system..then it should be 512GB - 512KB.

In the current scenario if you are looking it out for 2TB disk for the VM, then you should go for the RDM. Since it would be dedicated for the VM and due to the less I/O request the performace would be better and it would be easy to manage.

Jay

MCSE,VCP 310,VCP 410

Consider awarding points for "helpful" and/or "correct" answers.

If you found this or other information useful, please consider awarding points for "Correct" or "Helpful". Jayprakash VCP3,VCP4,MCSE 2003 http://kb.vmware.com/

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jkumhar75
Hot Shot
Hot Shot

As per the VMware standard recommendation if you are assigning the LUNS for the VMFS file system..then it should be 512GB - 512KB.

In the current scenario if you are looking it out for 2TB disk for the VM, then you should go for the RDM. Since it would be dedicated for the VM and due to the less I/O request the performace would be better and it would be easy to manage.

Jay

MCSE,VCP 310,VCP 410

Consider awarding points for "helpful" and/or "correct" answers.

If you found this or other information useful, please consider awarding points for "Correct" or "Helpful". Jayprakash VCP3,VCP4,MCSE 2003 http://kb.vmware.com/

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bashtien
Contributor
Contributor

That's what I was about to do !

It's good to confirmed..

Thanks

Sebastien, VCP 310

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kac2
Expert
Expert

you have the option of using a 2048mb VMDK if you set it to an 8mb block size. have a read on block sizes

http://communities.vmware.com/docs/DOC-11920;jsessionid=3DA6883AC9A04FC1E985C6AF23227F21

bashtien
Contributor
Contributor

Yeah thanks, I already know about those block size. Actually I know very well my VMware. It's just I was wondering about a best practice and to have some suggestion and confirmed some point.

Thanks for your add.

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