Install VMware ESXi 6.0

I have a DELL c6220 ii server having 6 HHDs each of 1.2 TB. This server supports RAID 0, RAID 1 and RADI 10.
I am trying to install VMware ESXi 6.0…

Which Scenario best suits
1. Create RAID 10, so that I get 3.1 TB for usage, but I am not able to spit ESXi and VMFS during ESXi installation. Everything including VMs will be in entire 1 Data Store.

2. If I go with RAID 1 with 2 HDDs, I get 1.1 TB and RAID 10 with 4 HDDs I get 2.1 TB, with this while installing ESXi I could see 2 Partitions like 1.1 TB(DataStore 1) and 2.1 TB(Data Store 2). In  this way I can split the ESXi to be installed on datastore 1 and VMs can be installed on datastore 2.

Problem here since ESXi installation uses hardly 1 GB and If I create any VMs in datastore 1, the VMs will be part of RAID 1 and any VMs which I create in Datastore 2 will be in RAID 10.. This makes VMs to participate in 2 different scenario’s.

Could some tell me which method is good to go?
LVL 26
Sekar ChinnakannuStaff EngineerAsked:
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Will you be using this for SQL?  How much memory in the server?  You could mirror a common standard server layout, use 2 of the HD's for a RAID1(Datastore1) and 4 of the HD's for RAID5(Datastore2), netting  4.8TB(if you need to maximize space), then put the OS vmdk's on Datastore1 and the App/Data vmdk's on Datastore2.  It is VERY common to have multiple datastores with each having a different performance profile, and with each VM putting some data on one level of performance and some on another.

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ESXi 6.0 can be installed to a USB flash drive or SD card - some Dell servers have internal ports that can serve this purpose. No need to carve out disk space for it (well, you can put logs out on the datastore(s) once you have things up and running).

Remember to get the Dell version of ESXi so that your RAID controller is recognized.

If you know nothing in advance about the behavior of your workload, I'd suggest just going with a RAID 10 array, one large pool of space to manage among your VMs. Once you get further down the road, and have actual performance concerns, you can start looking at approaches to improve the situation.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
We would do this slightly differently....

As recommended by fellow Expert @JMCG, we would install the OEM DELL version of ESXi on a USB flash drive or SD card, ensuring that the ESXi OS is completely seperate from the datastores for your VMs, this ensures in the future you can easily expand datastores, and saves your spinny disks, for VMs.

Here is the VMware KB on installing 5.x on USB/SD:

ESXi has a small footprint, and is designed for embedded mode, we've been installing it on USB flash drives/SD cards since 2004!

Here's my EE Articles, step by step tutorials with screenshots

HOW TO: Install and Configure VMware vSphere Hypervisor 6.0 (ESXi 6.0)

HOW TO: Connect to the VMware vSphere Hypervisor 6.0 (ESXi 6.0) using the vSphere Client (C# client)

Next is what to do all your hard disks, if you want the best performance, depending upon workload, I would combine ALL disks into a RAID 10 set, otherwise RAID 6.

remember for performance

more spinny disks, more performance, more IOPS for your datastore for all your VMs.
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