Dell PowerEdge Cluster FL100 Betriebsanweisung PDF herunterladen (Seite 21)

support.dell.com Getting Started 1-9

Advantage:

• High resource availability to users.

Disadvantage:

• The cluster node next in line for failover may not have ample resources available

to handle the additional workload of the failed node.

Figure 1-4 shows an example of cascading failover configuration.

Figure 1-4. Example of a 4-Node Cascading Failover

N-Way Migration

N-Way migration is the ability to manually migrate an application from one node to any

node in the cluster (based on cluster node resource availability). This type of solution

provides the following features:

Advantages:

• Adjustable resource allocation.

• Added flexibility.

Disadvantage:

• Solution is not automatic.

Figure 1-5 shows an example of an N- Way migration solution.

cluster

node 3

cluster

node 4

failed cluster

node 1

cluster

node 2

applications

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Dell PowerEdge Cluster FL100 Betriebsanweisung Seite 21