vmware ver6.0 and RAID

Plan to install a single esxi host ver6.0 . This is going to be local attached sas devices, small spinning disks (RAID1) for vmware sphere , and separate RAID configuration for virtual machines datastore.
I have six disk and can go for either RAID5 or RAID6.
What is the recommended RAID in your opinion good/best?
This is dell PE r72xd the raid controller supports both raid1 and raid5 or 6.
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sara2000Asked:
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Carlos IjalbaSenior SysadminCommented:
The recommended setup would be:

ESXi on a USB or SD card, and a single DataStore with all the disks in RAID 6 for redundancy or RAID 5 for speed.

Do not waste disks in RAID 1 for ESXi, the OS does not need protection  (it executes entirely in RAM), only the DataStores.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I would recommend RAID 6 for an enterprise solution.

Install ESXi on a USB flash drive or SD card, both supported on the Dell, and then make sure you use the OEM ESXi DELL version, which you download from Dell Website.

http://www.dell.com/support/home/us/en/19/Drivers/DriversDetails?driverId=HJFY8

Here is the VMware KB on installing 5.x on USB/SD:
http://kb.vmware.com/kb/2004784

also applicable for ESXi 6.0.
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