Vcs benefits, Vcs features and functionality, Optional software licensing – HP 3000 Enterprise Virtual Array User Manual
Page 22: Hardware
VCS benefits
VCS provides scalable capacity on-demand, helps improve performance, increases disk utilization
efficiency, and allows for easy dynamic storage expansion by providing the following features:
•
High-density packaging and support of more disks per controller pair. Up to 24TB of disk storage
in approximately 5.9 square feet (0.5 square meters) using 168 disks.
•
Virtually Capacity-Free Snapshot (Vsnap) function that saves significant disk space and improves
disk utilization efficiency.
•
Virtually Instantaneous Snapclone copy capability that allows immediate use of the clone copy.
•
Simplified storage management, such as server-independent storage management, automatic
load balancing, and on-the-fly storage expansion to improve management efficiency.
VCS features and functionality
VCS provides the following capabilities:
•
Support for up to 240 disk drives per controller pair
•
Management of up to 512 virtual disks, ranging in size from 1 GB to 2 TB per virtual disk, per
disk pool
•
Dynamic capacity expansion and virtual disk data load leveling
•
Distributed sparing of disk capacity
•
Virtually Capacity-Free Snapshot (Vsnap)
•
Virtually Instantaneous Snapclone
•
Dual redundant controller operation for increased fault tolerance
•
Multiple path failover support
•
Battery back-up for cache memory
•
Asynchronous disk swap (Hot Swap)
•
Clustered server support
•
Mirrored write-back cache support
•
Read-ahead and adaptive read caching support
•
Virtual RAID arrays (Vraid0, Vraid1, Vraid5)
•
Non-disruptive software upgrade capability
•
Supports connection of up to 256 hosts
•
Multivendor platform support
•
Controller password protection for configuration control
•
Selective storage presentation
•
SAN-based data zoning
Additional information about HP StorageWorks Virtual Controller Software can be found online at:
Optional software licensing
Business Copy EVA and Continuous Access EVA require a separate license for each controller pair.
Instructions for obtaining a license are included with the software documentation.
Additional information about Business Copy EVA and Continuous Access EVA can be found online at:
Hardware
The Enterprise Virtual Array consists of the following hardware components:
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System description