RAID / Array setup for HyperV Server

Looking at running up a Hyper V server. Will need to serve about 50 people. Will have RDS farm, with two RDS servers, a RDS broker server, a file and print server to host the RDS profile disks and data, a couple of DC's, and a Utility server. I also need to have a SQL server as well that runs the clients software / DB. Im planning to run RAID 10 for the RDS servers, etc, and a RAID 10 array for the SQL (Controller is a HP 440AR /2Gb flash back) I just want to make sure that the RDS / and SQL are not affected by IOPS from one another.
Is this an over kill, or do you think a single RAID 10 for all vm's would suffice? Disks are 2.5" SAS 10k drives (HP Proliant DL 380 G9 server)
greentriangleAsked:
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Scott CSenior EngineerCommented:
A single RAID 10 would do just fine.  Normally I'd say have different RAID drives but in the case of RAID 10, you already have enough redundancy that you will be good.

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Philip ElderTechnical Architect - HA/Compute/StorageCommented:
How many disks total?

We run RAID 6 in our single server environments. At 8 spindles and up performance differences become moot between 6 and 10.

We lost a RAID 10 based host due to a drive drop, hot swap the dead drive, and a few minutes later once the rebuild started its pair dropped too.

In our testing IOPS = ~250/disk for 2.5" 10K SAS and gross throughput is ~800MB/Second in RAID 6 setting across eight spindles.

EDIT: We split the single array up with two logical disks:
 + 75GB for host OS
 + Balance to Data
greentriangleAuthor Commented:
i was thinking 6 x 1.2tb SAS drives in RAID 10 to give a total of 3.6tb (os runs off a hp enterprise sd card)
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