HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller Software Troubleshooting Guide (EK-G80TS-SA. C01, March 2005)

Troubleshooting Information
26 HSG60 and HSG80 Array Controller and Array Controller Software Troubleshooting Guide
Invalid cache. Mirrored-cache
mode discrepancy.
This discrepancy can
occur after installing
a new controller. The
existing cache
module is set for
mirrored caching,
but the new
controller is set for
unmirrored caching.
This discrepancy can
also occur if the new
controller is set for
mirrored caching,
but the existing
cache module is not.
SHOW
THIS_CONTROLLER
indicates invalid cache.
Spontaneous
FMU
message displays:
Cache modules
inconsistent
with mirror mode.
Connect a terminal to the
maintenance port on the
controller reporting the
error and clear the error
with the following
command—all on one
line: CLEAR_ERRORS
THIS_CONTROLLER
INVALID_CACHE
NODESTROY_
UNFLUSHED_DATA.
Refer to the controller CLI
reference guide for more
information.
Table 4: Troubleshooting Guidelines (Sheet 5 of 9)
Symptom Possible Cause Investigation Remedy