Management Bus Link Down; Causes; Resolution; Management Bus Link Fail - Sun Microsystems SPARC Enterprise T5120 Installation And Service Manual

Note – For this test, the link card in the server can be swapped with the link card in
the boat.
D.6.4

Management Bus Link Down

The server has detected loss of both the management link and the data path to an
I/O Box.
D.6.4.1

Causes

Link cable has failed or is unplugged.
■
I/O Box is powered off.
■
Boat is removed.
■
Link card has failed.
■
D.6.4.2

Resolution

Check link cable.
■
Check AC power to the I/O Box.
■
Check that a boat is in the boat bay.
■
Swap the link cable.
■
Swap the link cards.
■
D.6.5

Management Bus Link Fail

The link card in the server has detected the link card in the boat, but the information
cannot be decoded.
D.6.5.1 Causes
Link cable has failed or is unplugged.
■
Link card has failed.
■
Appendix D Troubleshooting with ILOM Diagnostic Messages D-13