174 Copyright © Acronis, Inc., 2000-2011
An autoloader is a particular case of tape libraries. It contains one drive, several slots, a changer and
a barcode reader (optional).
A stand-alone tape drive (also called streamer) contains one slot and can hold only one tape at a
time.
6.3.2 Overview of tape support
Acronis Backup & Recovery 11 agents can back up data to a tape device directly or through Acronis
Backup & Recovery 11 Storage Node (p. 14). In either case, fully automatic operation of the tape
device is ensured. When a tape device with several drives is attached to a storage node, multiple
machines can simultaneously back up to tapes.
6.3.2.1 Compatibility with RSM and third-party software
Coexistence with third-party software
Acronis Backup & Recovery 11 cannot work with tapes on a machine where third-party software with
proprietary tape management tools is installed. For Acronis Backup & Recovery 11 to use tapes on
such machine, you need to uninstall or deactivate the third-party tape management software.
Interaction with RSM
Unlike Acronis Backup & Recovery 10, Acronis Backup & Recovery 11 does not use Windows
Removable Storage Manager. During an upgrade from Acronis Backup & Recovery 10, Acronis Backup
& Recovery 11 writes the necessary information from RSM to its own database in the new format.
When detecting a tape device (p. 181), Acronis Backup & Recovery 11 disables the device from RSM
(unless it is being used by other software). As long as you want Acronis Backup & Recovery 11 to
work with the tape device, make sure that neither a user nor third-party software enables the device
in RSM. If the tape device was enabled in RSM, repeat the tape device detection.
6.3.2.2 Supported hardware
Acronis Backup & Recovery 11 supports external SCSI devices. These are devices connected to Fibre
Channel or using the SCSI, iSCSI, Serial Attached SCSI (SAS) interfaces. Recognition of USB, IDE, or
SATA connected devices is not guaranteed. It depends on whether proper drivers have been installed
in the operating system.
6.3.2.3 Tape management database
Acronis Backup & Recovery 11 stores information about all tape devices attached to a machine in the
tape management database. The default database path is %AllUsersProfile%\Application
Data\Acronis\BackupAndRecovery\ARSM\Database.
The database size depends on the number of archives stored on tapes and equals approximately
10 MB per hundred archives. The database may be large if the tape library contains thousands of
archives. In this case, you may want to store the tape database on a different volume.
To relocate the database:
1. Stop the Acronis Removable Storage Management service.
2. Move all files from the default location to the new location.
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