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Methodology 1 only requires having the cluster node number as the known condition. The number of CAVA servers follows the following algorithm.
For example, in a 22 node PowerScale cluster, The number of CAVA servers is:
In this case, we need six CAVA servers.
Methodology 1 only provides an estimated calculation that is based on the total number of nodes as the known condition. This methodology suits both the on-demand scan and scheduled scan. For some scenarios where customers do not have details for the I/O pattern of their workflow, this methodology can be used for sizing.