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Chapter 1 - Getting Started
Battery Backup Unit
The main board of the RAID Controller includes battery control circuitry for a
single cell Lithium Ion battery along with a battery pack mating connector. The
main purpose of battery backup is to maintain the cache memory during brief
power interruptions, but is capable of maintaining the memory content for
several hours, depending on the type and size of the memory.
18
Battery Backup Unit
DRT = Dirty Cache
OVRCUR = Over Current
PRTNR = Partner Controller Failed
PWR = Power is Applied
RAID Controller Face Plate LEDs and Descriptions
TEST
NETWORK
ONLY
SERVICE
Controller Status LEDs
H1A = Host Loop 1 Activity
H0A = Host Loop 0 Activity
D1A = Drive Loop 1 Activity
D0A = Drive Loop 0 Activity
On = Activity Sensed
Off = No Activity
Amber LEDs
Green LEDs
On = Link Valid
Off = Link Invalid
D0L = Drive Loop 0 Link Status
D1L = Drive Loop 1 Link Status
H0L = Host Loop 0 Link Status
H1L = Host Loop 1 Link Status
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