Overview Of The Hp Xp24000/Xp20000 Disk Array; Outstanding Performance, Capacity, And Reliability; Continuous Data Availability - HP StorageWorks XP20000/XP24000 - Disk Array Owner's Manual

1 Overview of the HP XP24000/XP20000
Disk Array
This disk array is part of the HP StorageWorks XP series of high-performance RAID-capable disk array
systems used to store large quantities of data in an efficient and secure manner. XP disk arrays support
multiple operating systems, platforms, and RAID groups. Advantages include:

Continuous data availability

Nondisruptive service and upgrades
Connectivity
Scalability
Data integrity and high availability

Outstanding performance, capacity, and reliability

The HP StorageWorks XP24000/XP20000 Disk Arrays provide high performance, high capacity,
and solid reliability in a large storage system that can start as small as a single frame and expand
as your storage needs grow. Coupled with HP's comprehensive customer support, the
XP24000/XP20000 disk arrays offer a safe data storage investment that will serve your needs for
years to come.
Continuous data availability
XP disk arrays are designed for nonstop operation and continuous access to all user data.
The highest data availability is achieved by the following features:
RAID1, RAID5, RAID6 (mixing RAID levels is allowed)
Mirrored write cache
Dual channel adapters (CHAs) and disk adapters (DKAs)
Dual and concurrently active data and control paths through the array
Split power domains on internal data paths
Hot-pluggable boards
Hot-pluggable fans, power supplies, and controllers
Online upgradable firmware
The following optional features ensure the disk array meets your requirements for high availability:
Remote health and alert monitoring by HP customer support using HP StorageWorks XP Continuous
Track software
Advanced remote diagnostics
Full solution (host-SAN-storage) support
Full software and solution integration enabled by HP software products.
XP24000/XP20000 Disk Array Owner's Guide 7