Data Integrity And High Availability - HP StorageWorks XP12000 Owner's Manual

Data integrity and high availability

16
To provide the highest levels of data integrity and availability, the HP
StorageWorks XP Disk Array family uses RAID technologies and
redundant hardware throughout the disk arrays, including:
• RAID1, RAID5
• Mirrored write cache
• Dual channel adapters (CHAs) and array control processors (ACPs)
• 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 software features and products help to ensure that the disk
array meets your requirements for high availability:
• XP12000 support
– Capability to "phone home" to the multidisciplinary HP Storage
Technology Center (STC); see "HP StorageWorks Continuous
Track XP" (page 31)
– Advanced remote diagnostics
– Full solution (host-SAN-storage) support
• Full software and solution integration enabled by HP software
products; see Chapter 4 for details
HP StorageWorks XP12000 Disk Array Owner's Guide