Data Integrity - HP StorageWorks XP1024 - Disk Array Owner's Manual

Data integrity

Overview
HP disk arrays provide the highest levels of data integrity. This is
accomplished using RAID technologies, together with redundant hardware
throughout the disk array. The following hardware features allow the HP
StorageWorks Disk Array XP family to achieve its high availability and
data integrity:
• 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
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