HP's High Availability Storage System is based on an innovative package design that delivers flexibility and ease of use while providing critical functionality to meet the needs of the enterprise, whether supporting a local workgroup or managing mission-critical data. The system provides unsurpassed availability, featuring dual, hot-pluggable power supplies, power cords, and cooling fans as well as hot-pluggable storage modules. The subsystem connects to the server via dual SCSI buses, strengthening fault resilience and enabling mirroring in the same enclosure.