HP VMA-series Memory Arrays - Manual (Page 31)

AM456-9007B Rev 02 HP VMA SAN Gateway Installation and User Guide 31
In typical configurations, either a single stand-alone or two redundant paired VMA
SAN gateways are connected to one or two VMA Arrays using PCIe cables.
If one HP VMA SAN Gateway were to fail, the other HP VMA SAN Gateway
would immediately become the primary owner of that Memory Array.
Connecting Power
The next step in the hardware installation of a HP VMA SAN Gateway is to
connect to a power source.
Figure 2.3 HP VMA SAN Gateway and Memory Array Back Panels