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Rod Wright
2026-03-03 19:53:38 -05:00
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customcd/files/root/rescuebru/rescuebru-help/diskutil.txt Normal file
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Option 4 of the RescueBRU main menu (Disk Utilities) allows you to
perform various drive maintenance actions. These actions are
described below.
Clone disk
RescueBRU generates a list of hard drives. You are then prompted to
select the source and destination drives from menus. You will then
be asked to confirm your actions and an exact block by block copy of
all data on the source drive will be created on the destination
drive. The operation may take a long time for large drives. A
progress indicator will be shown. When the clone is finished, you
will be returned to the Disk Utilities menu.
Blank disk
RescueBRU generates a list of hard drives. You are then prompted to
select the target drive for blanking from a menu. You will then be
asked to confirm your actions and all data on the target drive will
be overwritten with zeros. This will destroy the MBR, the partition
table, and any RAID signatures that may exist on the drive. Any data
that exists on the drive will not be recoverable. NOTE: This will
not satisfy the US DoD 5220.22-M standard and will not serve to
"declassify" a drive. If the drive contained classified data, it
will still need to be stored and controlled in accordance with the
highest classification it contained. When the blanking operation is
finished, you will be returned to the Disk Utilities menu.
Test disk for bad blocks
RescueBRU generates a list of hard drives. You are then prompted to
select the target drive for testing from a menu. You will also be
prompted whether you want to do a read-only test or a write/read
test. You will then be asked to confirm your actions and the test
will begin. If you have selected a read-only test, no alteration
will be made to any data on the drive.If you have selected a
write/read test, all data on the target drive will be overwritten by
various bit patterns, and finally with zeros. This will destroy the
MBR, the partition table, and any RAID signatures that may exist on
the drive. Any data that exists on the drive will not be
recoverable. NOTE: This will not satisfy the US DoD 5220.22-M
standard and will not serve to "declassify" a drive. If the drive
contained classified data, it will still need to be stored and
controlled in accordance with the highest classification it
contained. When the blanking operation is finished, you will be
returned to the Disk Utilities menu.
Setup backup media
If using the "Local" media type, media setup is not required. For
the RescueBRU utility to work,the backup images must be stored on
the backup media in a place where RescueBRU can find them. This
option creates the directory on the backup media where the images
will be stored. After selecting this option, RescueBRU mounts the
media, and then checks to see if the backup location already exists.
If it does, RescueBRU warns you that if you continue the setup, you
may lose old backups. You have the option of continuing anyway or
aborting media setup. When a backup is started, the media is checked
to see if it is set up and this function is automatically invoked if
it isn't. Consequently, you should never have to use this option.
This option is really only useful if you want to purge all existing
backups from the media.