The HP Storageworks XP is a computer data storage disk array sold by Hewlett Packard Enterprise using Hitachi Data Systems hardware and adding their own software to it. It's based on the Hitachi Virtual Storage Platform and targeted towards enabling large scale consolidation, large database, Oracle, SAP, Exchange, and online transaction processing (OLTP) environments.
Used to be called P9000 XP, to match with other disk array products they sold at the time (P2000, P4000, P6000 and P10000).
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
Crossbar Architecture (3.2 GB/s)
High capacity scalability—up to 48 disks, 8.7 TB and 24 host connectivity ports
up to 16 GB (16 GiB) of battery-protected (48 hours minimum), mirrored write cache
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
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
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
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
a mixture of disk drives configured as RAID 1 (2D+2D and 4D+4D), RAID 5 (3D+1P and 7D+1P) and RAID 6 (6D+2P)
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
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 (6D+2P)
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
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
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 to 1152 disk drives for 2.26PB Raw space. (Used at Cloud At Cost)
a mixture of Serial attached SCSI (SAS) and midline SAS 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 5 - 2048 disk drives for 2 PB of raw capacity
up to 1 TB flash-protected (backup will last indefinitely), mirrored write cache
No entry level model any more - P9500 scales from small to large
At some point models are the XP 20000, XP24000 and the P9500.
