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fault, the storage subsystem Needs Attention LED is on. The definitions for Lx
diagnostic codes are listed in Table 28.
Table 28. Numeric display diagnostic codes
Value
L0
L2
L3
L5
L7
L8
88
Powering off the storage subsystem
The DS4200 Express is designed to run continuously. After you turn it on, do not
turn it off. Turn off the power only in the following situations:
v Instructions in a hardware or software procedure require that you turn off the
v An IBM technical support representative instructs you to turn off the power.
v A power outage or emergency situation occurs, see "Restoring power after an
Turning off the storage subsystem
Use the following procedure to turn off the power for the DS4200 Express.
Figure 61 on page 82 shows the location of the power switches on a storage
subsystem.
94
IBM System Storage DS4200 Express Storage Subsystem: Installation, User's and Maintenance Guide
Controller State
Suspend
Suspend
Suspend
Offline
Suspend/Offline
Offline
Reset
power.
unexpected shutdown" on page 97.
Storage Manager
Description
View
Mismatched controller
Needs Attention
board ID
condition for board ID
mismatch
Persistent memory
Needs Attention
errors
condition for offline
controller
Persistent hardware
Needs Attention
errors
condition for offline
controller
The alternate
Needs Attention
controller has
condition for offline
incompatible firmware
controller
but automatic
controller firmware
synchronization (ACS)
cannot be performed
Controller with
Needs Attention for
different controller
offline controller
submodel ID inserted.
A DS4700 controller
is inserted in a
DS4200 Express
Storage Subsystem
Unsupported memory
Need Attention
is present or memory
because the controller
is not populated in
is in offline/failed state
the correct memory
slots
Controller is held in
Needs Attention
reset by the other
condition for offline
controllers
controller
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