Compex Systems Advanced SerialRAID Adapters SA33-3285-02 - Manual (Page 55)

RAID-5 Array State Flowchart
Second
disk fails or
is removed
Write operation Array Offline
New disk
Original disk
replaced
Y
Y
Array
enabled for
Hot Spare
Hot Spare
swapped in
Hot Spare
available
Array
Rebuilding
Allow
Write while
Exposed
Write Op
rejected
Array Degraded
(no protection)
N
N
N
Y
Y
Y
N
N
Disk fails
Disk rejected
Array Degraded
Array Good
Disk
is removed
Array Exposed
Figure 15. RAID-5 Array State Flowchart
Chapter 3. RAID Functions and Array States 35