ACRONIS Backup & Recovery 11.5 Server for Windows User's Guide Page 122

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122 Copyright © Acronis International GmbH, 2002-2012
and then performing the recovery. The disk is initialized as GPT. The 2-TB limitation for GPT disks
does not exist.
5.4 Acronis Active Restore
Active Restore is the Acronis proprietary technology that brings a system or a database online
immediately after its recovery is started.
Customers familiar with Acronis Backup & Recovery 11.5 Agent for Exchange can note that this agent
uses Active Restore to make an Exchange information store available during its recovery. While
based on the same technology, recovery of the Information Store proceeds in quite a different way
than the operating system recovery described in this section. For more information, refer to the
"Using Acronis Active Restore for database recovery" of the "Backing up Microsoft Exchange Server
data" document.
Supported operating systems
Active Restore is available when recovering Windows starting from Windows 2000.
Limitations
Active Restore is meant for instant data recovery on the same machine. It is not available when
recovering to dissimilar hardware.
The only supported archive location is a local drive, or more precisely, any device available
through the ma
any internal hard drive.
Active Restore does not support disks with the GPT partitioning style as a source being
recovered, as a recovery destination, or as an archive location. This also means that Unified
Extensible Firmware Interface (UEFI) is not supported. The only supported boot mode is BIOS.
How it works
When configuring a recovery operation, you select disks or volumes to recover from a backup.
Acronis Backup & Recovery 11.5 scans the selected disks or volumes in the backup. If this scan finds a
supported operating system, use of Acronis Active Restore becomes available.
If you do not enable Active Restore, the system recovery will proceed in the usual way and the
machine will become operational after the recovery is completed.
If you enable Active Restore, the sequence of actions will be set as follows.
Once the system recovery is started, the operating system boots from the backup. The machine
becomes operational and ready to provide necessary services. The data required to serve incoming
requests is recovered with the highest priority; everything else is recovered in the background.
Because serving requests is performed simultaneously with recovery, the system operation can slow
down even if recovery priority (p. 135) in the recovery options is set to Low. Although the system
downtime is minimal, there may be reduced performance during recovery.
Usage scenarios
1. The system uptime is one of the efficiency criteria.
Examples: Client-oriented online services, Web-retailers, polling stations.
2. The system/storage space ratio is heavily biased toward storage.
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