Planning: About Your Storage Array 29
Power Supply and Cooling Fan Features
The MD3600i Series storage array includes two integrated, hot-swappable
power supply/cooling fan modules. Both modules must be installed to ensure
proper cooling. The system requires at least one of the cooling fans to
function to avoid overheating.
A power supply/cooling fan module can be replaced without powering down
the system. For information on removing and installing the modules, see
"Power Supply/Cooling Fan Module" on page 234.
CAUTION: A power supply/cooling fan module can be removed from a powered-
on system for a maximum period of 5 minutes. Beyond that time, the system
automatically shuts down to prevent damage.
Hard-Drive Status Indicator Pattern Condition
Off The physical disk:
• is not yet discovered by the host server
•is spun down for removal
• is not supported for the RAID controller
module or is not in the physical disk slot
NOTE: The drive status indicator remains
off until all hard drives are initialized after
system power is turned on. Drives are not
ready for insertion or removal during this
time.
Steady green Physical disk is online
Green flashing (On 250 ms, Off 250 ms) Physical disk is being identified
Green flashing (On 400 ms, Off 100 ms) Physical disk rebuilding
Amber flashing (On 150 ms, Off 150 ms) Physical disk failed
Flashing green, amber, and Off (green On
500 ms, amber on 500 ms, Off 1000 ms)
Physical disk failure predicted (SMART)
Flashing green, amber, and Off (green 3 s,
amber 3 s, and Off 3 s)
Physical disk rebuild aborted
book.book Page 29 Tuesday, September 27, 2011 3:13 PM
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