Config for the SAN array issues

Hi all
We have a HP StorageWorks SAN x 1600 with the x 6 hard drives of 2 TB. The idea is to use as shared for our iSCSI network storage (we have x 2 ESXi hosts).
The SAN is running Windows 2008 Storage Server and it is quite simple, using the ACU (matrices configuration utility) to create required tables (logical drive). So, the first port of call is to set up the berries.
We have our minds set on using RAID10, for performance reasons. So, if configure us all the drives in a RAID10 array, which gives us 6 TB of usable space. However, a very large "single" painting would be allowed from a performance point of view, or would it be better to divide it? Taking into account, that we have x 6 physical disks in the SAN (and x 4 min are necessary for RAID10).
Also, I read somewhere that it is better to have 1:1 relationship of the array to LUN/Datastore - is this correct? In this case, we had better divide, but then we have to rethink our RAID levels.
Note: we use vSphere 5 and will be a mixture of VMs: exchange, sql, web server, servers citrix etc.
Any suggestions for how to best use the x 6 hard drives of 2 TB in our SAN?
Thank you guys

More chucks in the table, the better performance.

It is not just "better", you must configure a LUN by the data store. That said, there is no reason that you cannot configure your table 6 TB with 2-3 logics LUN. This would lead to better use of multiple paths.

Edit: I misread the statement. There is no recommendation that I've ever heard of involving a 1:1 relationship between the table and the data store. This would violate the rule more "spindles".

That said, in my reading of the quickspec, only 2 TB disks never sold on the X 1600 were 7200 RPM SATA. It's probably worthy of being honest about what you expect from this - RAID levels and layouts LUN will not perform this in a Citrix/Exchange environment.

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