IBM TotalStorage FAStT EXP700, Installation And User Manual

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7. Install the new ESM by sliding it into the empty slot. Be sure the levers are
pulled straight out as you slide the ESM into the expansion unit. When you
install the ESM into the bays, the ESM latch will lock into place.
8. Close the levers until the pull-ring latch locks in place. Make sure the levers
lock into place in the expansion-unit chassis.
9. Reconnect the SFP modules and Fibre Channel cables to their original
locations.
10. Check the input and output bypass LEDs at both ends of the reconnected
cables. If the input and ouput bypass LEDs are lit, reconnect the cables and
SFP modules.
11. Check the Power and Fault indicator LEDs on the new ESM:
v
If the Power indicator LED is off, the ESM might not be inserted correctly.
v
If the Fault indicator LED is lit, the Power indicator LED is off, or if any other
Fault indicator LEDs are lit, see Chapter 4, “Solving problems” on page 49.
12. See your storage-management software online help for instructions for
enabling the ESM.
Replacing a failed hot-swap cooling fan
Attention: Do not run the expansion unit without adequate ventilation and cooling.
Improper ventilation might cause damage to the internal components and circuitry.
The fans are interchangeable and replaceable and do not require preventive
maintenance. The fans help maintain proper air circulation across the components
inside the expansion unit. Air flows through the expansion unit from the front to the
back.
You can hot-swap the fans (replace them while the expansion unit is turned on and
running), provided that you complete the exchange within 10 minutes. This time
limit applies only to the total time that a fan is out of the expansion unit, beginning
when you remove the failed unit and ending when you reseat the new one. This
does not include the time it takes you to perform this entire procedure (checking
LEDs, unpacking the new fan, and so on).
For any period of time exceeding ten minutes, both fan units must always be in
place, even if one is not functioning properly. This is necessary to maintain proper
cooling.
Complete the following steps to replace a hot-swap fan:
1. Check the LEDs on the back of the expansion unit.
2. If the fan amber Fault LED is lit, remove the failed fan:
a. Slide the latch in the same direction as the arrow to unlock the fan CRU.
b. Use the handle (black knob) to pull the fan from the fan bay as shown in
Figure 43 on page 47.
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IBM TotalStorage FAStT EXP700 Storage Expansion Unit: Installation and User’s Guide