HP NonStop G-Series User Manual
Page 108

Switch Command Interface (SWCI)
ServerNet Nomadic Disk (Release 2) User’s Guide — 523968-001
6- 38
Switch Protocol Error Messages
Recovery. Do the following:
1. Check the configuration of the switch module device and reconfigure if necessary.
2. Check the version of SWCI installed.
3. Power the switch module device off then back on again.
Cause. The message length field in a response message received from the SCC did
not match the number of response message characters read from the SCC by SWCI.
Effect. SWCI does not work properly.
Recovery. Do the following:
1. Check the configuration of the switch module device and reconfigure if necessary.
2. Check the version of SWCI installed.
3. Power the switch module device off then back on again.
Cause. The SCC does not support the switch communications protocol revision used
by SWCI. This can be caused by an incompatibility between SWCI and SCC firmware.
Effect. SWCI does not work properly.
Recovery. Do the following:
1. Check the configuration of the switch module device and reconfigure if necessary.
2. Check the version of SWCI installed.
3. Power the switch module device off then back on again.
Cause. The communication port ID field (expected to contain “A” or “B” indicating
which SCC serial port is in use) in a response message received from the SCC
contained an invalid value.
Effect. SWCI does not work properly.
***PROTOCOL ERROR*** SCC response message: incorrect length.
***PROTOCOL ERROR*** SCC response message: unsupported
protocol revision.
***PROTOCOL ERROR*** SCC response message: invalid comm port
ID.