[Progress Communities] [Progress OpenEdge ABL] Forum Post: RE: Upgrading to a all-flash NVMe storage array, RAID recommendation?

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ChUIMonster

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Do you actually have a 40TB database? I do not object to non RAID10 SSD. The impact in an SSD environment is much more palatable. But if the absolute best in performance is what you are after then IMHO your bigger concern is that this is a shared external device. The storage is at the wrong end of a cable so performance will be less substantially impressive than you might imagine. If you really want the best possible performance you want to eliminate that cable (and the switches and interfaces and adapters that go with it) and put the storage as close to the CPUs as you can. And you want to avoid sharing it with other people's problems. Your storage admins will hate that idea. They might have to do extra work or something. But if you want it to go as fast as possible internal SSD is what you want. If other considerations are higher priority then you might not go that route.

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