Double-Take v5.0.0.26620E Win2k2k3 Server 英文正式版(實時數據複製與災難備援軟體)
安裝序號:
序號產生器放至於keygen夾內
內容說明:
Double-Take實時數據複製與災難備援解決方案.Double-Take的主要特性
提升系統HA等級：
即通過災難保護功能來提升系統的高可用性，Double-Take 可以提供系統HAL-4，99.99% 可利用性，
同時Double-Take 是少數能同時提供資料的實時保護與Local及Offsite 災難恢復的解決方案。
實時數據複製：
Double-Take 利用20余種的專利技術去監控作業系統對於磁碟系統的更動，並將其透過網路傳送至遠
端備援伺服器上，以達到資料同步的目的；
無須特殊硬體支援：
相對於磁帶備份系統需高速磁帶機，Cluster System需使用相同的伺服器與Fiber共享磁碟，
Double-Take無須強迫備援伺服器硬體規格須與原伺服器相同，同時Source Server與Target Server僅
需透過一般網路連接即可，甚至在僅作資料複製的情況下，連作業系統不同亦可。
STAR Technology：
STAR( Sequential Transfer Asynchronous Replication ) 是Double-Take的專利技術，使
Double-Take 在不影響伺服器效能與穩定性的前提下，提供備援服務。
提供豐富Double-Take架構：
Double-Take主要提供六大不同的構架方式來建置本地與遠端的備援機制：1 to 1, Active-StandBy 、
1 to 1, Active-Active、Many to 1、1 to Many、Chained、Single。
資源控制：
假如伺服器上有超過兩張以上的網路卡，Double-Take允許使用者設定要以哪一張網路卡作實時數據複製。
使用者可以使用此功能利用專屬備援線路傳輸資料，以免與既有網路搶奪頻寬，影響網路品質。
此外Double-Take也可以限制其自身所使用網路頻寬。
圖形化控制介面( GUI )：
Double-Take提供圖形化的使用者介面，協助使用者Step By Step設定資料複製與備援服務，同時無論是
NT或UNIX，其介面皆是統一的。
定時資料複製( Scheduling Data Mirror )：
使用者也可以設定Double-Take定時作資料的Mirror，代替實時數據複製。Mirror方式有兩種：
Full Mirror 與Differential Mirror。
英文說明:
When recoverability matters, depend on Double-Take
for Windows for continuous data replication and
full-server protection.
Double-Take for Windows from Double-Take Software
makes data replication and recovery easy by
providing real-time backup and automatic failover
capabilities for your physical and virtual servers.
No matter what Windows application you rely on,
Double-Take is the affordable answer for disaster
recovery, high availability and centralised backup.
* Full-Server Failover - ensure availability of any
application with the Full-Server Failover feature
which transfers your OS configuration,
applications and data to your target server.
* Server Recovery Option -recover entire servers on
demand. The Server Recovery Option provides
many-to-one full server protection and the
ability to recover servers as needed after a
failure.
* Easy deployments - The Enterprise Install Console
helps you deploy and maintain your Double-Take
installations on servers throughout your
enterprise.
*
Maximise Uptime - with Double-Take 5.0. there's
no need to take applications offline during a
restoration.
Four clicks from fortified
Double-Take provides protection far beyond periodic
back up by capturing byte-level changes in real time
and replicating them to your alternate server,
either locally or across the globe. Let Double-Take
Application Manager configure protection and do a
pre-flight check in just four clicks.
To make migrations easy, and recovery even easier,
Double-Take's Full-Server Failover feature allows
you to failover your entire system, including the
OS, applications and data.
The Double-Take Server Recovery Option (SRO)
eliminates impractical restoration scenarios by
allowing you to restore multiple servers from an
image server with one-click.
Double-Take can protect Exchange, SQL, SharePoint,
Oracle, IIS, File and Print (including NAS), and
more. Because Double-Take is application and
hardware independent, you can perform data
replication from any hardware to any hardware,
between vendors, SAN, LAN, NAS, and even between
Windowsr operating systems.
Double-Take data replication software is one of the
few data replication products to have achieved
Microsoft Windows 2000 and 2003 certification at all
levels. It delivers better data protection than
hardware-based solutions, and it costs tens of
thousands less.
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