OnApp Storage uses an internal /16 private address range within the 10.0.0.0/8 range. By default we assign 10.200.0.0/16 for integrated SAN operations. In order to attach and access an existing SAN, it should use an address with the 10.0.0.0/8 range that doesn't conflict with the SAN address. Note, however, that it can use the same physical subnet/ethernet NICs on the hypervisors, though with the obvious performance impact of aggregating data flows over the same physical interface.
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