Table
17.
Storage
subsystem
troubleshooting
(continued)
Problem
indicator
Component
Possible
cause
Possible
solutions
Amber
and
green
LEDs
on
Power-supply
CRU
Power
supply
failure
Replace
the
failed
power-supply
CRU.
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
or
the
AC
electrical
outlets
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.
148
IBM
TotalStorage
DS4300
Fibre
Channel
Storage
Subsystem:
Installation,
User’s,
and
Maintenance
Guide
Summary of Contents for TotalStorage DS4300 Turbo
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