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VMware Solutions Discussions

Always useful to set up thin provisionning ?

ateliersbusch

Hello all,

Existential question, is it always useful to set up thin provisionning (especially when no dedicated SAN admin is in the place) ?

We have a simple server and SAN infra relying on :

2 ESXi 5.1U2 hosts (managed by a vCenter with Enterprise licenses)

1 FAS-2040 hosting SATA disks with a shelf hosting SAS disks

 

They are interconnected each other directly with FC cards.

 

On the FAS-2040 each controller is managing an aggregate (Active/Active configuration).

 

Controller A is managing SATA drives and presents 1 big thick LUN to VMware (stored in a thick dedicated volume)

Controller B is managing SAS drives and presents 1 big thick LUN to VMware (stored in a thick dedicated volume)

 

So only 1 volume per aggregate (+ the system one of course).

 

In that setup is there any reason why Thin provisioning shoul be activated ? Or is it a situation where working with full Thick is OK (especially knowing that it's not possible to add disks) ?

Because in that configuration, the only place where I would see thin provisioning useful is in VMware when creating the VMDKs ?!

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