HP StorageWorks Fabric OS 5.X Diagnostics and System Error Messages Reference Guide (AA-RVHZB-TE, September 2005)

Fabric OS 5.x diagnostics and system error messages reference guide 127
• WWN 1 or WWN 2 for the Core Switch 2/64, SAN Director 2/128, and 4/256 SAN Director. Only
bladed switches have removable WWN cards. All other switches have a non-removable WWN
component on the main logic board.
The SAN Switch 2/8V has one power supply and three fans, and the SAN Switch 2/16V has two power
supplies and four fans. Values for the individual fans and power supplies for these switches might display,
but these parts cannot be replaced: the entire switch is a FRU.
The does not have any fans, power supplies or WWN cards.
The 4/8 SAN Switch, 4/16 SAN Switch has 4 fans and 1 power supply, but these parts cannot be
replaced: the entire switch is a FRU.
Recommended Action
Try reseating the FRU. If the message persists, replace the FRU.
Severity
CRITICAL
EM-1029
Message
Probable Cause
Indicates that the I2C bus had problems and a timeout occurred.
The FRU ID value is composed of a FRU type string and an optional number to identify the unit, slot, or
port. The FRU ID value can be:
• Switch for fixed port count switches.
• Slot 1 through Slot 10 for the Core Switch 2/64, SAN Director 2/128, and 4/256 SAN Director.
• PS 1 through PS 4 (power supplies) for the Core Switch 2/64, SAN Director 2/128, and 4/256 SAN
Director, or PS 1 through PS 2 for the SAN Switch 2/32 and SAN Switch 4/32. The power supplies on
the SAN Switch 2/8V and the SAN Switch 2/16V are not field replaceable.
• Fan 1 through Fan 3 for the Core Switch 2/64, SAN Director 2/128, 4/256 SAN Director, and SAN
Switch 4/32 (six fans in three FRUs). Fan 1 through Fan 6 for the SAN Switch 2/32 (six fans in three
FRUs). The fans on the SAN Switch 2/8V and the SAN Switch 2/16V are not field replaceable.
• WWN 1 or WWN 2 for the Core Switch 2/64, SAN Director 2/128, and 4/256 SAN Director. Only
bladed switches have removable WWN cards. All other switches have a non-removable WWN
component on the main logic board.
The SAN Switch 2/8V has one power supply and three fans, and the SAN Switch 2/16V has two power
supplies and four fans. Values for the individual fans and power supplies for these switches might display,
but these parts cannot be replaced: the entire switch is a FRU.
The does not have any fans, power supplies or WWN cards.
The 4/8 SAN Switch, 4/16 SAN Switch has 4 fans and 1 power supply, but these parts cannot be
replaced: the entire switch is a FRU.
Recommended Action
This is often a transient error.
Watch for the EM-1048 message, which indicates that the problem has been resolved.
If the error persists, check for loose or dirty connections. Remove all dust and debris prior to reseating the
FRU. If it continues to fail, replace the FRU.
<timestamp>, [EM-1029], <sequence-number>,, ERROR, <system-name>,
<FRU Id> I2C access problems (<error code>): state <current state>