Raid5 - Best policy for performance.

Posted on 2006-04-28
Last Modified: 2010-04-03
We have a server with a LSI MegaRaid 320-0x controller. 3 160gb disks are set ut in RAID5. Which policy is best for performance?

These are the options:

Read ->  Normal, Ahead or Adapt.

I/O->  Cached or Direct
Question by:daxa78
    LVL 30

    Accepted Solution

    Read - Adaptive

    and I/O - Cached (will only be enabled if you have a battery backup unit for the write cache memory).
    LVL 30

    Expert Comment

    by:Duncan Meyers
    Correction - write caching will only be enabled if you have a battery backup unit...
    LVL 30

    Expert Comment

    by:Duncan Meyers
    Glad to be of assistance!

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