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HP Array Controller HSG V8.7 Software User Manual

Page 159

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Troubleshooting

4–5

Cannot set failover to
create dual-redundant
configuration.

Incorrect command
syntax.

See Appendix B, “CLI
Commands,”
for the
SET FAILOVER
command.

Use the correct
command syntax.

Different software
versions on controllers.

Check software
versions on both
controllers.

Update one or both
controllers so that both
controllers are using the
same software version.

Incompatible hardware. Check hardware

versions.

Upgrade controllers so
that they’re using
compatible hardware.

Controller previously
set for failover.

Ensure that neither
controller is configured
for failover.

Use the SET
NOFAILOVER
command on both
controllers, then reset
“this controller” for
failover.

Failed controller.

If the foregoing checks
fail to produce a
remedy, check for OCP
LED codes.

Follow repair action.

Node ID is all zeros.

SHOW_THIS to see if
node ID is all zeros.

Set node ID using the
node ID (bar code) that
is located on the frame
in which the controller
sits. See SET THIS
CONTROLLER
NODE_ ID in
Appendix B, “CLI
Commands.”
Also, be
sure that you are
copying in the right
direction. If you are
cabled to the new
controller, use SET
FAILOVER
COPY=OTHER. If
cabled to old controller,
use SET FAILOVER
COPY=THIS.

Table 4–1

Troubleshooting Table (Continued)

Symptom

Possible Cause

Investigation

Remedy