Dell PowerConnect FCS624S Web Management Interface User Guide - Page 62
Modifying priority, Stack Details
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4 Configuring stack priority The additional items you can configure or view in the Stack unit priority window includes: • Stack Details • Stack Modules • Add module (refer to page 56) Modifying priority Assign the highest priority value to the stack unit if you want to function as the Active Controller. When you enter a new priority value for a stack unit, that value takes effect immediately, but does not affect the current Active Controller until the next reset. It is possible to assign the same priority for an Active and Standby Controllers, or different priorities (Active highest, Standby second-highest). When Active and Standby Controllers have the same priority, if the Active fails and the Standby takes over, then the original Active becomes operational again, it will not be able to resume its original role. In the same situation, when the priorities of the Active and Standby Controllers are different, the old Active Controller will regain its role and will reset the other units. You can assign the same priority to the Active and Standby Controllers once after the stack is formed. This prevents the intended Standby Controller from becoming the Active Controller during stack construction. Changing the priority of a stack member will trigger an election that takes effect immediately unless the Active Controller's role changes. This changes will not take effect until after the next stack reload. Click Modify to modify the priority of units within a stack, in the row associated with the unit ID. Click Apply to save your changes or click Reset to undo any changes. FIGURE 34 Configuring unit priority 52 PowerConnect B-Series FCX Web Management Interface User Guide 53-1002268-01