Technical data

4–10 Troubleshooting
Mirrored cache;
controller reports
cache or mirrored
cache has failed.
Primary data and its
mirrored copy data are
not identical.
SHOW
THIS_CONTROLLER
indicates that the cache
or mirrored cache has
failed.
Spontaneous FMU
message displays:
“Primary cache declared
failed - data inconsistent
with mirror,” or
“Mirrored cache
declared failed - data
inconsistent with
primary.”
Enter the SHUTDOWN
command on controllers
that report the problem.
(This command flushes
the contents of cache to
synchronize its primary
and mirrored data.)
Restart the controllers
that you shut down.
Table 4–1 Troubleshooting Table (Continued)
Symptom Possible Cause Investigation Remedy