Hitachi Lighting 9900 Series Architecture Manual page 68

run concurrently. Reliability is enhanced with retry logic, alternate path routing, and
restart from point of failure. Ease of use is provided by a Java-client interface, a system
monitor, scheduling support, and remote control of client functions from OS/390
HDD
High-density disks. Used in the Lightning 9900
HDmS
The Hitachi Data Systems Migration Service
professional service that helps users migrate data from existing systems to newly
installed systems while minimizing the impact on mission-critical applications.
HDmS features a four-phase approach that includes assessment, planning, migration,
and post-migration support.
Hitachi CruiseControl ™
CruiseControl ™ automatically monitors, analyzes and moves logical volumes to
eliminate "hot spots" within a Lightning 9900 storage system and provides load
balancing to maintain predetermined performance levels.
Hitachi Dynamic Link Manager
Hitachi Dynamic Link Manager
and enhances RAID systems by providing automatic failover and load balancing
from server-to-RAID channel connection failures. This product allows systems
administrators to take advantage of the multiple paths on a Lightning 9900
adding redundant SCSI connections between data servers and RAID systems. Hitachi
Dynamic Link Manager
Supported platforms include AIX
Hitachi FlashAccess ™
FlashAccess ™ is a Hitachi feature that allows specified (usually high access) data sets to
be "pegged" or permanently placed in cache memory so they are not managed by the
data movement algorithms of the Freedom Storage
feature in the Lightning 9900
Flash Access is a software utility in the Freedom 9000 Resource Manager
™
allows the creating, deletion, and monitoring of data managed by the Hitachi Flash
Access software. See also Freedom 9000 Resource Manager
™
Hitachi Graph-Track ™
Graph-Track ™ is a software utility in the Freedom 9000 Resource Manager
that allows a robust set of system and network management utilities and provides
graphical reports for Lightning 9900
management.
Hitachi Hi-Star Architecture
™
At the heart of the Lightning 9900
Architecture, which provides multiple, redundant, non-blocking paths between the
™ Series.
(HDmS) is a Hitachi Data Systems
™
™
™ is a family of software utilities that is server based
therefore provides increased reliability and performance.
™
, Sun Solaris , and Windows NT/2000
® ™
®
™ can be used for either S/390 or open systems. Hitachi
performance and availability and configuration
™
revolutionary design is the Hitachi Hi-Star
™
by
™
.
®
system. The Hitachi Flash Access
suite that
™
.
™
™ suite
.
®
®
™
™
Glossary
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