HP XP

The HP Storageworks XP is an enterprise storage disk array sold by Hewlett-Packard. It is similar to the Hitachi Lightning and Sun StorEdge 9900 and targeted towards enabling large scale consolidation, large database, Oracle, SAP, Exchange, and online transaction processing (OLTP) environments.

The XP Disk Array family

XP 48

* RAID 0/1 and RAID 5 support
* 18 GB [One gigabyte (1 GB) is defined here as a billion bytes (10⁹ B) ] 15,000 RPM, 73 GB 10,000 rpm and 181 GB 7,200 rpm Fibre Channel drives
* Crossbar Architecture (3.2 GB/s)
* High capacity scalability -- up to 48 disks, 8.7 TB [One terabyte (1 TB) is defined here as a thousand billion bytes (10¹² B) ] and 24 host connectivity ports
* up to 16 GB (16 GiB) of battery-protected (48 hours minimum), mirrored write cache

XP 128

* a mixture of disk drives configured as RAID 1 (2D+2D and 4D+4D) and RAID 5 (3D+1P and 7D+1P).
* from 5 drives to 128 for up to 36 TB of usable storage capacity, 4 drives at a time
* heterogeneous connectivity via Fibre Channel, iSCSI, FICON and ESCON
* all the software functionality of the larger XP 1024 with a smaller footprint.
* up to 64 GB of battery-protected (48 hours minimum), mirrored write cache

XP 256

* RAID 0/1 and RAID 5 support
* from 17 GB to 9 TB of storage space
* connectivity via SCSI (8 to 32 ports) or Fibre Channel (4 to 16 ports)
* up to 16 GB of battery-protected (48 hours minimum), mirrored write cache

XP 512

* RAID 0/1 and RAID 5 support
* 18 GB, 15,000 rpm, 73 GB 10,000 rpm and 181 GB 7,200 rpm Fibre Channel drives
* High capacity scalability -- up to 512 disks, 93 TB and 32 host connections
* up to 32 GB battery-protected, mirrored write cache

XP 1024

* a mixture of disk drives configured as RAID 1 (2D+2D and 4D+4D) and RAID 5 (3D+1P and 7D+1P).
* up to 1024 disk drives for 288 GB to 149 TB raw and 144 TB to 129 TB of usable storage capacity in a single array
* heterogeneous connectivity via Fibre Channel, iSCSI, FICON and ESCON
* up to 128 GB battery-protected (48 hours minimum), mirrored write cache

XP 10000

* a mixture of disk drives configured as RAID 1 (2D+2D and 4D+4D), RAID 5 (3D+1P and 7D+1P) and RAID 6 (6D2P)
* up to 240 disk drives for 69 TB of capacity
* virtualization technology provides external storage device support to enable tiered storage up to 16 Petabyte

XP 12000

* OEM product from Hitachi Tagmastore USP 1100
* a mixture of disk drives configured as RAID 1 (2D+2D and 4D+4D), RAID 5 (3D+1P and 7D+1P) and RAID 6 (6D2P)
* from 9 to 1152 disk drives for 576 GB to over 332 TB of internal capacity
* virtualization technology provides external storage device support to enable tiered storage up to 32 Petabyte
* up to 128 GB battery-protected (48 hours minimum), mirrored write cache
* double the internal performance of the XP1024

XP 20000

* a mixture of disk drives configured as RAID 1 (2D+2D and 4D+4D), RAID 5 (3D+1P, 7D+1P, 14D+2P and 28D+4P) and RAID 6 (6D+2P)
* up to 240 disk drives for 177 TB of raw capacity
* up to 64 GB battery-protected (48 hours minimum), mirrored write cache
* virtualization technology provides external storage device support to enable tiered storage up to 96 Petabyte

XP 24000

* a mixture of disk drives configured as RAID 1 (2D+2D and 4D+4D), RAID 5 (3D+1P, 7D+1P, 14D+2P and 28D+4P) and RAID 6 (6D+2P)
* from 9 - 1152 disk drives for 851 TB of raw capacity
* up to 256 GB battery-protected (48 hours minimum), mirrored write cache
* virtualization technology provides external storage device support to enable tiered storage up to 247 Petabyte

The currently available models are the XP 10000, XP 12000, XP 20000 and XP24000.

Notes