Dell PowerVault NX1950 - Manual (Page 58)

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Migrating an Existing Cluster to Dell|Equallogic PS Series Storage
5 Test the cluster by performing the following steps:
a Test the application that is running on the cluster. This may include
sending and receiving e-mail, writing transactions into a database, or
reading and writing files to a network share. Verify that you can
perform the same tasks using the data in the PS Series group as you
did using the data in the previous location.
b Perform a failover test of the cluster from one node to another. Again,
verify that all cluster groups and resources come online. A thorough
test of your new cluster before putting it into production ensures a
smooth transition.
6 Retain the old cluster data—If you prefer to leave the old storage
infrastructure up and running for a period of time as a fallback measure you
can store it so that the old cluster data may be accessible only to administrators.
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