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mreferre
Champion
Champion

The rule of thumb I would say is clusters/farms comprised of 6-10 hosts a similar number of LUN's.

Of course this might vary depending on the storage requirements, how big your LUN's can be created etc etc etc.

Ideally you want to dedicate LUN's to prod / test etc etc if you can tier your storage (i.e. Raid10 LUN's for prod, Raid 5 LUN's for test etc etc). If you can't do that than I don't think it is a blasfemy to have equivalent LUN's and share them across the various environments (this will alleviate the problem of having high I/O vm's on production lun's and low I/O vm's for test ..... all would be averaged).

However there are many variables and it would be difficult to suggest something without knowing your environment. If I was to throw a number as I said I would probably create 5 clusters comprised of 8 hosts and 8 LUN's for your scenario.

But again ... it depends.

Massimo.

Massimo Re Ferre' VMware vCloud Architect twitter.com/mreferre www.it20.info