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)
Fault/UID LED (amber/
blue)
Interpretation
On, off or flashing Alternating amber and blue The drive has failed, or a predictive failure alert
has been received for this drive; it also has
been selected by a management application.
On, off or flashing Steady blue The drive is operating normally, and it has been
selected by a management application.
Table Continued
StoreOnce Backup system LEDs 67
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