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The ByteBack Data Recovery Investigative SuiteTM Undo Mechanism explained
There are 2 situations where ByteBack D.R.I.S.TM creates an undo archive:
- during the automatic repair procedure ('analyze & repair')
- before restoring the Partition Layout Backup ('Backup/Restore' in the 'tools'
menu)
The undo archive contains all the original sectors before they are changed by
the procedures mentioned above, so the undo archive can be used to revert to the
situation as it was before a repair, or before a partition layout restore.
ByteBack D.R.I.S.TM keeps only 1 undo archive per disk! This means that you can only undo
the latest operation for one specific disk!
If the undo archive is about to be overwritten with new information, ByteBack D.R.I.S.TM
will inform you of this. You can then abort the operation, or proceed and have
ByteBack D.R.I.S.TM create a new undo archive. At this point the previous undo information
is no longer available.
Examples:
* Original State (A) > Repairs are
written to disk, leads to State (B) > Undo Archive
can roll back to State (A).
* Original State (A) > Repairs are
written to disk, leads to State (B) > Undo Archive
can roll back to State (A) > More repairs
are written to disk, leads to State (C) > Undo
Archive can roll back to State (B), but no
longer to State (A).
Important! Modifications made to a disk
by using any other components than the automatic repair features or the
partition table restore feature, are not
included in the Undo Archive! Before you modify a sector using for example the
Disk Editor, make sure you keep a copy of the original sector (use the [Export
Sector] feature in the disk editor)!
Performing an Undo:
The undo feature will always 'roll-back' the entire repair session that was
performed. It is not possible to undo one specific item that was modified during
a repair; this behavior is by design to prevent 'half finished' repairs which in
themselves could lead to problems.
First select the disk [Select Disk] that was repaired and for
which you want to roll-back the repairs. Then from the [Tools] menu,
select [Undo last repairs]. You will then be asked to confirm the Undo
operation.
Important! An 'LDM backup' restore action
can not be rolled back!
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