IBM Midrange System DS4000 Series User Manual

52 IBM Midrange System Storage Hardware Guide
If the controller is non-operational due to system configuration, the controller Needs Attention
LED is off. If the controller is non-operational due to a hardware fault, the controller Needs
Attention LED is on. The definitions for Lx diagnostic codes are listed in Table 3-3.
Table 3-3 Numeric display diagnostic codes
Value Controller state Description Storage Manager view
L0 Suspend Mismatched controller types. Needs Attention condition for
board type mismatch
L1 Suspend Missing interconnect-battery unit. Needs Attention condition for
missing interconnect-battery unit
L2 Suspend Persistent memory errors. Needs Attention condition for
offline controller
L3 Suspend Persistent hardware errors. Needs Attention condition for
offline controller
L4 Suspend Persistent data protection errors. Needs Attention condition for
offline controller
L5 Offline The alternate controller has
incompatible firmware, but the
automatic controller firmware
synchronization (ACS) cannot be
performed.
Needs Attention condition for
offline controller
L7 Suspend/Offline A controller with a different
controller submodel ID is
inserted.
Needs Attention for offline
controller
L8 Offline Unsupported memory is present
or memory is not populated in the
correct memory slots.
Need Attention because the
controller is in offline/failed state
88 Reset A controller is held in reset by an
alternate controller.
N/A

IBM Midrange System DS4000 Series Specifications

General

Brand	IBM
Model	Midrange System DS4000 Series
Category	Storage
Language	English