Question to the Storage Advisors: (Barik) I am using 4 x Seagate Barracuda Green 1.5TB (new version, not the older LP) on a Adaptec 3405 and was wondering two things:
1. Using my system as a HTPC, for movies and music server, would it better as a raid 5 or raid 10 or something else?
2. These new drives are marketed as 4K drives as you know, so as far as Stripe size is concerned (as per your raid recommendation) do we need to do anything special for stripe size or any other command with these 4K drives?
Barik,
Question 1 is easy - since you are mainly reading from these drives, and you are looking for streaming speed, RAID 5 will be the best bet. RAID 10 is good for database but it will just chew up disk capacity and no do anything for your read speed.
Question 2 is interesting - as far as I know all 4K drives “translate” back to 512 bytes so as to emulate current model drives. That is important because our cards don’t talk natively to the drives in 4K. As for stripe size … this sounds dumb because its so non-technical, but use the default (256kb) - it works the best for 99.99% of applications on Adaptec cards.
Ciao
Neil
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