Bedienungsanleitung Acronis True Image Echo Workstation (Seite 35 von 157) (Englisch)

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new host RSM. This operation is performed at first access to the tape device while setting

up a backup, recovery or validation task. Therefore, under Windows the program knows

which tape should be mounted even if the data is recovered on another machine.

When booted from Acronis rescue media or backing up to a locally attached tape device,

Acronis True Image Echo Workstation uses another mechanism for access to tape devices

since RSM is not available.

Moving tapes between tape devices

A tape that already has backups can be added to a tape device. When the tape device is

selected in the recovery or validation wizard, the newly added tape is scanned by the RSM

and then by Acronis and added to the Acronis database and the Acronis, or Import Media

pool. The access to the archives on the tape becomes available.

However, Acronis will not scan the added tape for changes if the tape already is in the

Acronis database. If you eject a tape, back up another machine on this tape and take the

tape back to the first tape device, the second machine archive will not be discovered by

Acronis and therefore cannot be restored by the first tape device. Please be aware of this

limitation when using tapes between multiple computers.

Using RSM pools

At first backup to the tape device, Acronis True Image Echo Workstation takes a tape

from the Free pool. The program creates the Acronis pool and puts the 1st tape in the

pool. The tape stays mounted after writing a backup is completed. The next backups,

regardless of their contents, will be placed on the same tape, unless the tape free space

runs out.

When the 1st tape is full, the program looks for another cartridge in the Free pool and

uses it without user intervention. If the Free pool is empty, a cartridge from the Import

media pool is used through a prompt. (You have an option to disable prompts, see

6.3.14 Additional settings

So, to fully automate changing tapes at backup, you must always have at least one tape

in the Free pool (or a tape in the Import media pool and the prompt disabled.)

Overwriting old archives

You can move tapes with outdated archives from the Acronis pool to the Free pool

periodically using the Removable storage snap-in. To do so:

1. Select Control panel -> Administrative tools -> Computer management -> Removable

storage -> Media pools -> Acronis.

2. Right click on the tape in the Acronis pool, dismount the tape if it is has a status

Loaded and select Free from the context menu. The tape will be moved to the Free pool.

After putting a tape in the Free pool RSM and then Acronis will rescan it and record it to

the database with a new GUID.

A deleted archive is not necessarily deleted from the tape, it can be just marked as

deleted in the catalogue.

Saving a full backup to a new tape

You can enable saving a full backup on a new tape even if the currently mounted tape is

not full. To do so, dismount the current tape and eject it, add a new tape and move the

tape to the Free pool using RSM. Incremental or differential backups cannot be

performed in this way because access to the previous backups is required.

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