HP StorageWorks 2300 Disk System - Manual (Page 16)

16 Product Description
Power/Standby Switch
Located at the upper right corner of the front of the disk system, the power switch
(D in Figure 1) interrupts DC power from the power supplies to the BCCs and
other internal components. Input AC power to the power supplies is controlled by
the power cords and the AC source.
High Availability
High availability is a general term describing computer systems that are designed
to minimize planned and unplanned downtime. The disk system supports current
systems’ high availability requirements through the following features:
■ Hot-pluggable, high-capacity, high-speed disks
■ Redundant, hot-pluggable, user-replaceable power supplies and BCCs
■ Online firmware upgrades
■ Hardware event monitoring and real-time error reporting
Clustering (NT)
The HP Disk System 2300 is Microsoft® Cluster certified for a variety of
solutions. For specific information about supported configurations, see the
Hewlett-Packard Company or Microsoft web pages:
http://hp.com
http://microsoft.com
Upgradability
You can increase disk system storage capacity by:
■ Replacing disk drives with higher-capacity disk drives
■ Adding disks in unused slots
None of these actions require shutting down the product, but some may require
the use of system utilities to manage file systems.
Upgrade BCC and disk firmware using an on-line download function. See
Chapter 3, Updating Firmware.