Brocade Communications Systems AA979A - StorageWorks SAN Switch 2/8V Reference Manual page 133

Recommended
The SilkWorm 24000 (CP2) requires only a single power supply for a fully populated chassis; however,
Action
you should always operate the system with at least two power supplies for redundancy. For the
SilkWorm 48000 (CP4), when there are no intelligent (AP) port blades installed, two power supplies are
sufficient for redundancy; however, when one or more AP blades have been installed, four power
supplies are required for complete redundancy.
Severity
WARNING
EM-1046
Message
<timestamp>, [EM-1046], <sequence-number>,, WARNING, <system-name>,
Sysctrl reports error status for blade ID <id value> for the blade
in slot <slot number> <UNKNOWN VALUE>
Probable Indicates that the system controller encountered a blade with an unknown ID in the slot specified.
Cause
Recommended If the blade ID listed is not correct, then the FRU header for the blade is corrupted and the blade must be
Action
replaced.
Severity WARNING
EM-1047
Message
<timestamp>, [EM-1047], <sequence-number>,, INFO, <system-name>, CP
in slot <slot number> not faulty, CP ERROR deasserted
Probable
Indicates that the CP is no longer faulted. This message usually follows EM-1033. The new standby CP
Cause is in the process of rebooting and has turned off the CP_ERR signal.
Recommended
No action is required.
Action
Severity
INFO
EM-1048
Message
<timestamp>, [EM-1048], <sequence-number>,, INFO, <system-name>,
<FRU Id> I2C access recovered: state <current state>
Probable
Indicates that the I2C bus problems have been resolved and I2C access to the FRU has become
Cause available again.
Fabric OS Message Reference
Publication Number: 53-1000242-01
9
EM-1046
9-13