User guide

Setting the System Recovery Level
Summit24e3 Switch Installation and User Guide 151
Setting the System Recovery Level
You can configure the system to automatically reboot after a software task exception, using the
following command:
config sys-recovery-level [none | critical | all]
Where the following is true:
•
none — Configures the level to recovery without a system reboot.
•
critical — Configures ExtremeWare to log an error into the syslog and automatically reboot the
system after a critical exception.
•
all — Configures ExtremeWare to log an error into the syslog and automatically reboot the system
after any exception.
The default setting is
none.
NOTE
Extreme Networks recommends that you set the system recovery level to critical. This allows
ExtremeWare to log an error to the syslog and automatically reboot the system after a critical exception.
Logging
The switch log tracks all configuration and fault information pertaining to the device. Each entry in the
log contains the following information:
• Timestamp — The timestamp records the month and day of the event, along with the time (hours,
minutes, and seconds) in the form HH:MM:SS. If the event was caused by a user, the user name is
also provided.
• Fault level — Table 41 describes the three levels of importance that the system can assign to a fault.
By default, log entries that are assigned a critical or warning level remain in the log after a switch
reboot. Issuing a clear log command does not remove these static entries. To remove log entries of all
levels (including warning or critical), use the following command:
clear log static
• Subsystem — The subsystem refers to the specific functional area to which the error refers. Table 42
describes the subsystems.
Table 41: Fault Levels Assigned by the Switch
Level Description
Critical A desired switch function is inoperable. The switch may need to
be reset.
Warning A noncritical error that may lead to a function failure.
Informational Actions and events that are consistent with expected behavior.
Debug Information that is useful when performing detailed
troubleshooting procedures.