Hitachi 9900 manual Hsd

Glossary

Hitachi TrueCopy™

TrueCopy provides synchronous or asynchronous remote copy capability for open system and S/390 computers. This allows remote copies over virtually unlimited distances. Operating systems that are supported include IBM MVS®, HP/UX, AIX, Sun Solaris, Digital UNIX, Sequent DYNIX/ptx, SGI IRIX, NCR, UNIX SVR4, and Windows NT/Windows 2000.

Host Storage Domain

One or more Host Storage Domains may be defined on each Fibre Channel port on the Lightning 9900 V Series. Each Domain has its own logical (or virtual) Fibre Channel port and hosts, which are matched to their assigned Domain based on their WWNs. See also LUN, Fibre Channel, and WWN.

HSD

See Host Storage Domain (HSD).

HSN

Hierarchical Star Network. The technical term used to describe the combined internal networks (the C–HSN and the CM–HSN) of the Hitachi Freedom Storage™ Lightning 9900™ V Series.

Hub

A common connection point for devices in a Fibre Channel network. A hub contains multiple ports. When a Fibre Channel packet of data arrives at one port, it is copied to the other ports so that all storage devices on a SAN can see all packets.

HXRC (Hitachi Extended Remote Copy)

This is IBM® XRC® compatible, host-based software offered by Hitachi Data Systems for asynchronous remote copy. Using System Data Mover software, it guarantees data integrity for dependent write applications.

HYPERtape

An enterprise backup/restore solution that leverages current customer investments. HYPERtape is a three-tier distributed system architecture with central administration and control that supports consolidated and distributed environments. HYPERtape can be used to back up data from any supported host to any system that supports the ftp protocol, including backup to disk for HSM integration or backup to local- or network-attached tape. Over 30 host platforms are covered and 70 library modules are supported. All popular RDBMS programs are supported including Oracle®, SAP® R/3®, Informix®, Sybase®, DB2®, Adabas-D™RDB, and Microsoft® SQL Server™, Exchange, and Windows NT®/Windows® 2000 registry.

65