SQL Server Always on Technologies support mission
critical applications with the highest level of availability, because
any application downtime can impact your business, resulting in loss of
revenue, increases in customer dissatisfaction, and damage to your
System downtime can be caused by a variety of
issues such as human error, natural disasters, hardware and software
failures, and application upgrades - though SQL Server Always On
Technologies provide you with a full range of options to help you
achieve and maintain appropriate levels of application availability.
Today, SQL Server 2005 Always on Technologies
include database mirroring, failover clustering, database snapshots,
snapshot isolation, peer-to-peer replication, log shipping, and online
operations. Used separately or in combination, these features will help
you minimize downtime keeping critical enterprise systems available.
SQL Server Always on Technologies are only available in SQL Server 2005
Hitachi Data Systems is a SQL Server Always
On Technologies partner which means the storage solutions that have
been carefully reviewed to meet the Storage Solution requirements. This
ensures that SQL Server Always On Technologies implemented on Hitachi
Data Systems storage solutions provide a highly available and reliable
Therefore, organizations will have a full range of options, such as online operations, failover clustering, database snapshots, database mirroring, log shipping, and peer-to-peer replication technologies to help archive and maintain appropriate levels of application availability for the SQL Server 2005 Enterprise Edition. Read the Microsoft SQL Server "Always On" Technologies white paper.