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HDD setup for Hyper-V


Homer-S
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Hello,

I am going to upgrade my MS G8 Server running at the moment with WHS2011. Not to make too many mistakes I would like to ask you for your help.

My idea is to run Hyper-V 2008R2 and some Virtual Maschines

WHS2011 in productive mission (always on)
Win7 with FTP Server and download tasks (always on, mostly idle)
Win7 just to test new tools/Sofware etc (sometimes on)
Linux distribution just to play around (sometimes on, mostly off)

For this I (will) have in my Server
2 Raid controller
B120 i with
2x 1TB
2x 3TB

LSI SAS 9212-4i4e with
2x 300GB

Now my thoughts are circuling about where to install what and how to configer the drives.

My favorit would be at the moment
Hyper-V and the Virtual WHS2011 on the First 300 GB drive
the other Virtual machines on the second 300GB

Client backups and Data for the Virtual machines on a 1TB HHD as a Virtual Drive
the second 1TB HDD woul I like to use as a Backup drive for the first 1TB.
Should it run in Raid 1? or should I use allway sync with keeping also deleted files for a defined time, as today

The only fixum at the moment are the 3TB HDDs.
I will add them as physical drives to have the important data on it in "raw" format. Backing up would be done with allway sync as today.

Additionally I could buckup the first two 300GB drives on two 320GB external drives, if this is possible.

I am really looking forwrd for your thoughts and improvments.

P.S. I hope this is the right place for this question.

 

thanks
 

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There are lots of possibilities -- there are a couple of interesting threads on the subject at:

 

http://homeservershow.com/forums/index.php?/topic/5189-drive-setup-for-hyper-v-host/

 

http://homeservershow.com/forums/index.php?/topic/4417-anyone-using-hyper-v-server-2012-with-whs-2011/

 

I would suggest experimenting first with Hyper-V and different drive arrangements if you can before settling down on any specific drive configuration for your production system -- 

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Also, it really depends on what sort of performance you want out of the system.

 

If this is for testing or play, then it may not matter. But if performance is important, SSD or RAID arrays are the way to go (and a good backup).

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Hello Joe_Miner,

 

thanks for your answer. I digged into these threats. And I have a little more idea how to set it up. But one question was still not answered.

Maybe I am allowed to raise it here.

 

How high is the HDD load/speed requirements for the Hyper-V Server 2008 R2? And should the WHS2011 VM be put on the same drive or is the better idea to separate. All other question are solved or will come after installing :)

 

BTW, where should I post my pictures of my additional drive installation of my MS G8?

 

Thanks

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Sorry Drashna,

 

I missed your post. Performance is in my case a Homeserver which is providing the family data. Pictures, software, documents and sometime it is doing some video streaming.

So it seems to me it is really no matter. But at least my feeling should be good to have the best setup with existing hardware.

 

Thanks for all your patience.

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In general, I'd recommend against sharing the system drive with the VMs. Get a small (30GB even) SSD and run it off of that. Then use a different disk for the VMs. This will help prevent any bottlenecking.

That is unless you grab a RAID card and use that. Then it shouldn't be an issue.

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Thanks for your answer and hints.

 

I am checking at the moment the speed of each drive and in which configuration (on which controller) performance is best.

For another SDD/HDD I have no space left, ports on a controller would not be an issue.

 

After your post I am planning to have the following setup:

 

OS Hyper-V Server on the 300MB SAS drive

VMs including WHS 2011 on the fastest drive

 

the rest will be backup and Data storage.

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I was curious of a couple things...why HyperV Server 2008R2 instead of 2012 R2? and Doesn't that machine have a microSD slot? You could use that perhaps as boot (if it shows up as USB) for HyperV. HyperV only requires 16GB. I was able to get the G7 to boot on a 16GB USB (internal header) with hyperv and it ran alright.. little slow to boot on USB 2.0, but it worked fine once loaded. I would imagine on that microSD it would be a little faster and you wouldn't be using any of your physical array.

 

 

[edit]

 

while there some disagreement on installing to microsd for hyperv...

 

http://www.neowin.net/news/review-hp-proliant-microserver-gen8 (says you can't)

http://serverfault.com/questions/452609/dl360-windows-server-2012-core-hyper-v-on-sd-card (says you can and can't)

 

if that microSD card shows up as a USB device in the BIOS, and you're able to select it as the first boot device... then you can install HyperV to it, but not using their installer. It is a manual process, which is what I had to do on the G7 for USB boot. The process for 2008R2 and 2012R2 are the same: http://technet.microsoft.com/en-us/library/ee731893%28WS.10%29.aspx

Edited by tswalker
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I can't help worrying that using an flash drive as the system drive will lead to burnout of the flash drive. I know there are situations where it's OK, but it still makes me worry.

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looking at their specs for the microSD HP Kit (32GB): http://www8.hp.com/lamerica_nsc_carib/en/products/oas/product-detail.html?oid=5360695

 

it would seem perhaps useful.. 100,000 write cycles should last a while as long as it isn't used for page file and cache. I too would have a concern with it loosing current if only in read mode, but that is easily worked around by refreshing the system once in a while.

 

I think after reading the specs on SDHC, I would be a bit more worried about the type of format you can use.. I can't see anything related to NTFS support from SD Association (https://www.sdcard.org/downloads/formatter_4)

 

 

If I had one, I would do a thorough test to see... I found that once I had HyperV Server setup, I rarely had a need to make any changes to the host at all.

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