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How many VM's can I run with this SERVER?

Last response: in Business Computing
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August 19, 2012 6:48:08 PM

First of all, THANK YOU stopping by!

This is the server specs.

Dell Poweredge 2950,
~Two Dual-Core Intel Xeon 5150 processor's at 2.66GHz 8gb,
~Windows Server 2008 R2 Datacenter, HyperV installed,
~32GB (8 DIMM slots): 4GB Fully Buffered Dimms (FBD) 533/667MHz
Error Checking and Correction (ECC) and Single Device Data Correction (SDDC),

~4.5TB HDD : 6 x 750GB SATA HDD (7.2K rpm) with 6 SATA/SAS Interposer boards,
~It also has the integrated PERC 5/i: SAS 3.0 Gb/s RAID controller with 256MB battery-backup cache,
~Redundant 750w power supplies,


I have the Host on a RAID 0 (2-750GB HDD's), and the other four on RAID 10. This gives me 3TB of storage to work with on the client side of things. I was hoping this girl could handle 25 to 35 VM's, but then I come back down to earth and hope for 15 to 20 client VM's. Hopefully I have given you guys enough information to help me clarify how many VPS clients this server might be able to carry.

Thank you all for reading.

9X








More about : run server

August 19, 2012 6:58:57 PM

You dont say what you are going to do with the VMs, the type of OS, how much memory each needs, processing power, network bandwidth, etc.

The answer to your question is "as many as you want it to until performance is no longer optimal or useful for your application".
August 19, 2012 7:19:57 PM

po1nted said:
You dont say what you are going to do with the VMs, the type of OS, how much memory each needs, processing power, network bandwidth, etc.

The answer to your question is "as many as you want it to until performance is no longer optimal or useful for your application".



Yes sorry,



VPS PLAN 1
1 2.66GHZ VCPU
20GB HDD
512-1GB RAM
LINUX/ WINDOWS
150GB BAND
1 DEDICATED IP

$X.XX


VPS PLAN 2
2 2.66GHZ VCPU
50GB HDD
1GB - 1.5GB RAM
LINUX/ WINDOWS
150GB BAND
2 DEDICATED IP'S

$X.XX


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August 20, 2012 12:27:36 AM

15 or 20

Bottle neck will be your CPU's
August 20, 2012 1:02:55 PM

Well that was not the number I was hoping for!
September 17, 2012 5:45:57 AM

15 to 20 is probably realistic, but 30-40 could be possible if you have very low disk I/O requirements for each machine. I would guess that your environment will first encounter a storage I/O bottleneck followed by insufficient RAM (2008 R2 can't over commit RAM) and finally a CPU bottleneck. But depending on the actual workload of each VM, you may hit those bottlenecks in a different order.

--Russel
September 23, 2012 5:24:35 AM

ninex said:
Well that was not the number I was hoping for!


15 to 20 I would also say, and that number is smaller depending on the services/client OS. If your going to be virtualizing an Exchange server for example, I would say 2 per box would be your limit. If your going to virtualizing desktops, then 15-20 for moderate usage, 30 or so with light usage per server. The biggest issue you have is the amount of RAM per box, followed by the CPU power. I know for our virtualized environment, we host about 24GB of RAM for 10 medium-load servers, and 48GB to host between 50 and 75 end user desktops.
September 23, 2012 7:38:10 AM

Raid-0 for the o/s, bad idea, Raid-1 at a minimum for reliability over performance and 750GB may be a bit overkill.
!