D-Link DFE-570TX Setup Manual page 14

DFE-570TX Setup Guide
Failover Settings
The Failover Settings section provides options that control the failover function. Each setting
is discussed below.
The first column of options set the conditions to permanently remove adapters from the
array. The setting for Max Down Count is the number of times an adapter must go down
(and comes back online) in the defined time period before being permanently removed. The
default value for this field is 3. A value of zero (0) disables this feature so that an adapter
can fail repeatedly without being permanently removed.
The setting for Time Period is the amount of time (in minutes) the Max Down Count
setting must be exceeded before an adapter is permanently removed. The default value for
this field is 60 minutes (1 hour).
The second column of settings control the method used to detect that an adapter has failed.
The Status Packets method sends a status packet from one adapter to another in order to
determine if the receiving adapter is available.
The Status Indication method uses NDIS 4.0 functionality to have an adapter inform DFE-
570TX that an adapter has failed or is functioning properly again. Not all adapters support
this method but it does provide for faster failover.
The Auto Detect method determines at system startup which method (Status Packets or
Status Indications) should be used to provide the best failover method for the installed
adapters.
After any setting has been changed, the Update button will become active. Once all changes
have been made, press the Update button for the settings to automatically go into effect. No
reboot is required and all settings are saved for use after rebooting. To restore all settings
back to their default values, press the Default button. Press the Update button to have these
settings go into effect. If any changes have been made and the OK button is pressed, the
new settings will then automatically be applied.
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