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About drive monitoring
The LEDs on the front of each drive indicate when there is a problem, such as a failed or failing drive. If
a drive fails or is failing, contact Customer Support to obtain a replacement drive of the same type, size,
and speed.
The drives in the front panel store user and Federation data and are protected by RAID, which provides
different protection for each model:
•
A CN-2200, CN-2400, or CN-2400-E model can tolerate up to two hard disk drive (HDD) failures and
one solid state drive (SSD) failure simultaneously without data loss.
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A CN-2400-F, containing all flash drives can tolerate a single solid state drive (SSD) failure without
data loss.
•
A CN-3400-F, containing all flash drives can tolerate up to two solid state drive (SSD) failures
simultaneously without data loss.
•
A CN-3400, CN-5400 or CN-5400-E can tolerate up to 4 HDD failures and one solid state drive (SSD)
failure simultaneously without data loss. Of the four HDDs, two of the drives must be in one drive set
and the other two drives must be in a different drive set.
•
A CN-5400-F, containing all flash drives can tolerate up to 2 solid state drive (SSD) failures
simultaneously without data loss.
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About drive monitoring
Description
Drive indicator. The indicator flashes amber if a drive fails. Green indicates
normal operation.
Electrical indicator. The indicator flashes amber if the system experiences an
electrical error. For example, voltage is out of range or a power supply or voltage
regulator fails.
PCIe indicator. The indicator flashes amber if a PCIe card experiences an error
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