Fujitsu ETERNUS AF250 S2 - Figure 1 RAID0 Concept; Figure 2 RAID1 Concept

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RAID Level Concept
A description of each RAID level is shown below.
● RAID0 (Striping)
Data is split in unit of blocks and stored across multiple drives.
Figure 1 RAID0 Concept
A
C
B
D
Dat
a writing request
Drive#0 Drive#1
A B C D
● RAID1 (Mirroring)
The data is stored on two duplicated drives at the same time.
If one drive fails, other drive continues operation.
Figure 2 RAID1 Concept
A
B
C
D
A B C D
Data writing request
A
B
C
D
Drive#0 Drive#1
1. Function
RAID Functions
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FUJITSU Storage ETERNUS AF250 S2, ETERNUS AF250 All-Flash Arrays
Design Guide (Basic)
Copyright 2019 FUJITSU LIMITED
P3AG-1822-09ENZ0