IBM TotalStorage DS4300 Installation And User Manual page 131

Table 15. Storage server troubleshooting (continued)
Problem
indicator Component
Amber and green Power-supply
LEDs on CRU
All green LEDs off All CRUs
Amber LED Drive CRUs
flashing
Possible cause Possible solutions
Power supply Replace the failed power-supply
failure CRU.
Subsystem power Check that all storage-server
is off power cords are plugged in and
the power switches are on. If
applicable, check that the main
circuit breakers for the rack are
turned on.
AC power failure Check the main circuit breaker
and ac outlet.
Power supply Replace the power supply.
failure
Midplane failure Have the midplane replaced
(service technician only).
Drive identify is in No corrective action is needed.
process
Chapter 6. Solving problems
101