74
2-5. RAID10
Data is distributed to HDDs by striping and the stripes are recorded by mirroring. Therefore, RAID10 can realize the disk access performance as high as RAID0 and the reliability as high as RAID1 at a time.
Disk array controller
Disk 1
Stripe 1
Stripe 3
Stripe 5
Disk 2
Stripe 2
Stripe 4
Stripe 6
Disk 3
Stripe 1
Stripe 3
Stripe 5
Disk 4
Stripe 2
Stripe 4
Stripe 6
RAID0
RAID0
RAID1
