HP StorageWorks HSG80 Array Controller V8.7 Maintenance And Service Manual page 90

Replacement Procedures for BA370 Enclosure Elements
2. In a dual-redundant controller configuration, disable failover and take the
controllers out of dual-redundant configuration with one of the following
commands:
SET NOFAILOVER
or
SET NOMULTIBUS_FAILOVER
3. Start FRUTIL with the following command:
RUN FRUTIL
4. Enter N(o) to the question about replacing the cache battery.
NOTE: The HSG80 controller supports up to three enclosures. The I/O module status can
show the following states:
• Single Ended – OK
• Differential – OK
• Termination only – OK
• Missing or bad
• Unknown or bad
• N/A (cabinet is not present)
5. Enter option 4 to replace an I/O module. The example below shows the generated
I/O module status display and indicates cabinet 0, port 5 as missing or bad.
I/O Module Status:
Port 1:
Port 2:
Port 3:
Port 4:
Port 5:
Port 6:
Is the replacement I/O module available? Y/N
6. Enter Y(es) to confirm the intent to replace the I/O module.
CAUTION: Wait for FRUTIL to quiesce the device ports—indicated by an "All device
ports quiesced" message. Failure to allow the ports to quiesce might result in data
loss. Quiescing might take several minutes.
If the incorrect I/O module is removed, the controller will crash. Loss of data might
occur.
3–36
Cabinet 0
------------------
Single Ended - OK
Single Ended - OK
Single Ended - OK
Single Ended - OK
Missing or bad
Single Ended - OK
HSG80 Array Controller V8.7 Maintenance and Service Guide
Cabinet 2
----------------
N/A
N/A
N/A
N/A
N/A
N/A
Cabinet 3
------------------
N/A
N/A
N/A
N/A
N/A
N/A