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Since the number of disks used may vary depending on the RAID configuration method, according to the size of the database and the number of available disks, choose an appropriate method with a consultation with an expert.



  •  mirror (RAID 1)

It is flexible with data loss because it stores the same data on multiple disks.

  •  striping (RAID 0)

The speed of I/O can be greatly improved because data is divided into blocks and stored on multiple disks.