The following restrictions apply to Exadata Database Machine X5-2 flexible configurations:
Up to 22 servers can be installed in the rack, within a total of 38 rack units.
At least three storage servers must be installed in the rack.
Up to 18 Exadata Storage Servers are supported in the rack. In this configuration, there are two database servers installed in the rack.
Rack units U01, U20, U21, and U22 are reserved for the Cisco and Sun Datacenter InfiniBand Switch 36 switches.
Database servers are installed in the rack in the following order:
Up to 4 servers in U16 to U19, starting with U16.
Up to 4 servers in U23 to U26, starting with U23.
Up to 7 servers in U39 to U27, starting with U39. The servers in these rack units are separated by 1 rack unit, with solid fillers between the servers.
Up to 7 servers in U14 to U02, starting with U14. The servers in these rack units are separated by 1 rack unit, with solid fillers between the servers. No Exadata storage servers are installed in the rack.
Exadata storage servers are installed in the rack in the following order:
Up to 3 storage servers in U02 to U07, starting with U02.
Up to 4 storage servers in U08 to U15, starting with U08.
Up to 7 storage servers in U27 to U40, starting with U27.
Up to 2 storage servers in U26 to U30, starting with U26 (if no Database servers installed in these rack units).
Up to 2 storage servers in U19 to U16, starting with U19 (if no Database servers installed in these rack units).
1 storage server in U41 to U42.