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Best choice of raid configuration?

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Best choice of raid configuration?

  • Hello Experts?

    I have dell poweredge r520 server and I have 2TB capacity with 4 SAS hard disk. 

    Which raid configuration is best? Please suggest me.

    Thanks.

  • You could do a RAID5 (three HDDs) with a hot spare, or a RAID 6 (four HDDs) and no hot spare. You could have two RAID1s. Depends what you need.