Hitachi Unified Storage VM User Manual

Hitachi Unified Storage VM Product Overview Guide
3–2
Software overview
Block module software features and functions
The Unified Storage VM storage system provides advanced software
features and functions that increase data accessibility and deliver
enterprise-wide coverage of online data copy/relocation, data access/
protection, and storage resource management. Hitachi Data Systems
software products and solutions provide a full set of industry-leading copy,
availability, resource management, and exchange software to support
business continuity, database backup and restore, application testing, and
data mining.
Virtualization
The following table describes the virtualization software that is available on
the Unified Storage VM storage system.
Table 3-1 Virtualization Features and Functions
Performance Management
The following table describes the performance management software that
is available on the Unified Storage VM storage system.
Table 3-2 Performance Management Features and Functions
Provisioning
The following table describes the provisioning software that is available on
the Unified Storage VM storage system.
Feature Description
Hitachi Virtual Partition
Manager
Provides logical partitioning of the cache which allows you to divide the
cache into multiple virtual cache memories to reduce I/O contention.
Hitachi Cache Residency
Manager
Supports the virtualization of external storage systems. Users can connect
other storage systems to the Unified Storage VM storage system and access
the data on the external storage system via virtual devices created on the
Unified Storage VM storage system. Functions such as TrueCopy and Cache
Residency can be performed on external data through the virtual devices.
Feature Description
Hitachi Cache Residency
Manager
Cache Residency Manager locks and unlocks data into the cache to optimize
access to the most frequently used data. It makes data from specific logical
units resident in a cache, making all data accesses become cache hits. When
the function is applied to a logic unit, frequently accessed, throughput
increases because all reads become cache hits.
Hitachi Performance
Monitor
Performs detailed monitoring of the storage system and volume activity. This
is a short tem function and does not provide historical data

Hitachi Unified Storage VM Specifications

General

Brand	Hitachi
Model	Unified Storage VM
Category	Storage
Language	English