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SBS 2011 installation

I am planning to install SBS 2011 on esxi host.
Esxi has 2 x72GB drive in RAID1 and 3 x 300GB drive in RAID5.

Can I setup SBS 2011 installation in such a way that I can install exchange module on RAID5 and rest on RAID1?

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bpjennings
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bpjennings
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1 Solution
 
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Normally, you define and create a RAID array, for the datastore form ESXi. A datastore is the storage area where the Virtual Machines are stored.

You could create two datastores of RAID 5 and RAID 1, but normally, you would create a single datastore for the entire datastore fot ESXi to use.

For performance, and in your case I would recommend a RAID 10 datastore, which has the benefits of fast read and write performance compared to RAID 5. But if you only have three disks, you can only build a RAID 5 datastore.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
But if you created two seperate datastores, when creating the SBS virtual machine, you could create the system disk on the RAID 1 datastore, and the Exchange disk on the RAID 5 datastore if you wanted.
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ronnypotCommented:
Hi,

Beside what hanccocka said, you cannot install SBS 2011 on a partition smaller than 80GB it won't continue, so your Raid 1 partition of 72GB will not be sufficient. You will receive a warning when your partition side is between 80GB and 120GB but you can proceed, recommended size is 120Gb or above, if you are planning to move data to other partition 80GB will work fine.

Ronny
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bpjenningsAuthor Commented:
Hello ronnypot,
On raid 5, if I create 2 partition say C: of 80Gb and D: of 200 GB. Install SBS on C: and later move exchange to D:?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
If I was you I woud get some more disks and use at least 6 Disks in RAID 5 for the entire ESXi datastore.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
and then create your virtual machine on that datastore.
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ronnypotCommented:
Hi,

Yes that should be possible, after you installed you can run the move server data wizards to move Exchange, Sharepoint, WSUS databases and Users folders.

Here http://blog.ronnypot.nl/?p=450 you can see how to move those files very easy.
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bpjenningsAuthor Commented:
Hello Ronnypot
Thanks for this info. I shall try this. do you know is there any performance issue with sbs 2011 running on esxi? can you provide me some tips to get optimum result running sbs 2011 in the virtual environment?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
yes, there is, you really neef a fast datastore, RAID 10 for additional performance. Your SBS disk are virtual, and those virtual disks need all the help you can give them by placing on a fast ESXi datastore. Thats RAID 10.

Slow datastore = slow performing SBS.

what type of discs do you have for ESX, SATA 7.2k are very slow, 10k SAS or 15k SAS are bettrr if you can afford them.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
dual processors in the vm, and a minimum of 16gb memory.
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ronnypotCommented:
Hi bpjennings,

Follow the advice of hanccocka. Best practice is to use a Raid 10 configuration and use fast disks no SATA but SAS 10k or better 15k disks. About memory depending on how many users and heavy load, use a minimum of 12GB ram or better start with 16GB.
Don't follow the microsoft advice of a minimum of 8GB it will fit for a simple test environment but not for production.
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Philip ElderTechnical Architect - HA/Compute/StorageCommented:
Besides SBS, what other OSs will be virtualized on the host?

The OS partition should be at least 120GB with 150GB being better in our experiences with SBS 2011.

Philip
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bpjenningsAuthor Commented:
ok
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