Updated on Jan 10 2012 to include info about High Performance disks availability.

Oracle has announced the introduction of the “Exadata Storage Expansion Rack”. This Expansion Rack can be used to add storage capacity to a X2-2 or X2-8 oracle database machine environment.

The press release can be found here.

The datasheet can be found here.

Some Highlights.

• The expansion rack comes with 4 to 18 storage servers
• The expansion rack will be delivered with the same 600Gb High Performance (HP) hard disks or the 3Tb High Capacity (HC) hard disks.
• Quarter Rack, HC disks, has 4 Exadata Storage servers, with 48, 3TB, SAS High Capacity disks, 1.5Tb flash cache.
  • 64Tb of uncompressed usable capacity
• Half Rack, HC disks,  has 9 Exadata Storage Servers, with 108 , 3TB, SAS High Capacity disks, 3.4Tb flash cache.
  • 144 Tb of uncompressed usable capacity
• Full Rack, HC disks, has 18 Exadata Storage Servers, with 216, 3TB, SAS High Capacity disks, 6.75Tb flash cache.
  • 288 Tb of uncompressed, Usable capcity

• Quarter Rack, HP disks, has 4 Exadata Storage servers, with 48, 600Gb SAS High Performance disks, 1.5Tb flash cache.
  • 13Tb of uncompressed usable capacity

• Half Rack, HP disks,  has 9 Exadata Storage Servers, with 108 , 600Gb, SAS High Performance disks, 3.4Tb flash cache.
  • 29 Tb of uncompressed usable capacity
• Full Rack, HP disks, has 18 Exadata Storage Servers, with 216, 600Gb, SAS High Performance disks, 6.75Tb flash cache.
  • 58 Tb of uncompressed, Usable capacity

• Uncompressed  Flash Cache, I/O bandwidth of upto 88Gb/Second on the full rack.