IBM TotalStorage FAStT600, Инструкция по установке и эксплуатации

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Table 14. Storage server troubleshooting (continued)
Problem
indicator
Component Possible cause Possible solutions
All green LEDs off All CRUs Subsystem
power is off Check that all storage-server
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
failure Replace the power supply.
Midplane failure Have the midplane replaced
(service technician only).
Amber LED
flashing Drive CRUs Drive identify is in
process No corrective action is needed.
One or more
green LEDs off Power supply
CRUs Power cord
unplugged or
switches turned
off Make sure that the power cord is
plugged in and the power-supply
switches are turned on.
All drive CRUs Midplane failure Have the midplane replaced
(service technician only).
Front panel Power supply
problem Make sure that the cords are
plugged in and power supplies
are turned on.
Hardware failure If any other LEDs are on, replace
the midplane (service technician
only).
Battery Battery failure Replace the battery.
Cache active The cache is
disabled Use the storage-management
software to enable the logical
drive read and write cache
settings.
The cache
memory has
failed Replace the RAID controller.
The cache
battery has failed Use the storage-management
software to check and replace
the battery.
Host loop Host or switch is
off or has failed Check if host or switch is on.
Replace attached devices that
have failed.
Fibre-channel
cable has failed Ensure that the fibre-channel
cables are undamaged and
properly connected.
SFP has failed Ensure SFP is seated properly;
replace SFP.
RAID controller
has no power or
has failed Ensure that the unit is powered
on. Replace RAID controller.
Chapter 6. Solving problems
75