ACRONIS Backup & Recovery 10 Advanced Server User's Guide download pdf (Page 387)

Differential backup

A differential backup stores changes to the data against the latest full backup (p. 390). You need

access to the corresponding full backup to recover the data from a differential backup.

Direct management

Any management operation that is performed on a managed machine (p. 390) using the direct

console (p. 386)-agent (p. 382) connection (as opposed to centralized management (p. 385) when the

operations are configured on the management server (p. 391) and propagated by the server to the

managed machines).

The direct management operations include:

• creating and managing local backup plans (p. 390)

• creating and managing local tasks (p. 390), such as recovery tasks

• creating and managing personal vaults (p. 391) and archives stored there

• viewing the state, progress and properties of the centralized tasks (p. 385) existing on the

machine

• viewing and managing the log of the agent's operations

• disk management operations, such as clone a disk, create volume, convert volume.

A kind of direct management is performed when using bootable media (p. 384). Some of the direct

management operations can also be performed via the management server GUI. This presumes,

however, either an explicit or an implicit direct connection to the selected machine.

Disk backup (Image)

A backup (p. 382) that contains a sector-based copy of a disk or a volume in a packaged form.

Normally, only sectors that contain data are copied. Acronis Backup & Recovery 10 provides an

option to take a raw image, that is, copy all the disk sectors, which enables imaging of unsupported

file systems.

Disk group

A number of dynamic disks (p. 388) that store the common configuration data in their LDM databases

and therefore can be managed as a whole. Normally, all dynamic disks created within the same

machine (p. 390) are members of the same disk group.

As soon as the first dynamic disk is created by the LDM or another disk management tool, the disk

group name can be found in the registry key

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\dmio\Boot Info\Primary Disk

Group\Name.

The next created or imported disks are added to the same disk group. The group exists until at least

one of its members exists. Once the last dynamic disk is disconnected or converted to basic, the

group is discontinued, though its name is kept in the above registry key. In case a dynamic disk is

created or connected again, a disk group with an incremental name is created.

When moved to another machine, a disk group is considered as ‘foreign’ and cannot be used until

imported into the existing disk group. The import updates the configuration data on both the local

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ACRONIS Backup & Recovery 10 Advanced Server User's Guide Page 387