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RAID 6 redundancy for the volumes within each drawer after a failure and rebuild has occurred. However,
it is important to replace failed or predictive failing disks as soon as possible. If more than two disks fail in
the same pool, the system will fail and data will be lost.
Figure 33: Drive in enclosure LEDs
1 Fault/UID LED (amber/blue)
2 Online LED (green)
Table 16: Hard disk LED sequences
Online Activity LED
(green)
On, off or flashing
On, off or flashing
Fault/UID LED (amber/
blue)
Alternating amber and blue
Steady blue
Interpretation
The drive has failed, or a predictive failure alert
has been received for this drive; it also has
been selected by a management application.
The drive is operating normally, and it has been
selected by a management application.
StoreOnce Backup system LEDs
Table Continued
67
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