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1 Introduction
Welcome
Congratulations on the purchase of your new ST8000
Disk Expansion Unit (DEU). The DEU provides a
superior fault-tolerant network storage solution in a
subsystem-based SAF-TE compliant RAID enclosure.
The SAF-TE compliant interface provides a standard,
non-proprietary means for the RAID subsystem to
automatically integrate with peripheral packaging that
supports status signals, hot swapping drives and
enclosure monitoring. Combined with the enterprise-
wide RAID management software, additional levels of
fault tolerance can be maintained.
The DEU is an eight drive enclosure designed to
support a host system-based architecture. The
architecture supports Ultra Wide SCSI (Fast-20).
Features
The following are major features of the DEU disk array
subsystem:
RAID Levels — Supports RAID levels 0, 1, 3, 5, 10
(1 + 0), 30, and 50.
Configuration — Deskside tower-based system and
rack-mount system (fits into a standard IAE 19-inch
rack assembly). Dual-Bus or Single-Bus
configuration modules provide for an “easy” PCB
plug-in changeable bus configuration.
Drive Support — Up to eight 3.5-inch, half-height
form factor, hot swappable drives that use SCA-II
technology. Disk drives featured include high
performance 7,200 and 10,000 RPM Ultra SCSI hard
disks.
Scalable Capacities — Drive capacities are
expandable and even further expansion through
daisy-chaining of multiple cabinets.