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Disk restoration from image after formatting



 
 
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  #1  
Old December 4th 06, 02:02 AM posted to microsoft.public.win98.disks.general
Levlg
External Usenet User
 
Posts: 1
Default Disk restoration from image after formatting

Programs of formatting a hard disk checks its surface and excludes the
damaged (unreliable) places from further use - this is written in the
manual. Clearly, that if after formatting a hard disk something will be
written on it, these excluded places will not be used. And will it be fair
in the event when contents of this disk will be restored from an image which
has been done BEFORE formatting (for example, by Acronis)?

Thank you

Lev


  #2  
Old December 4th 06, 06:36 AM posted to microsoft.public.win98.disks.general
Labrat
External Usenet User
 
Posts: 14
Default Disk restoration from image after formatting

Levlg voiced his/her/it's humble opinion in
microsoft.public.win98.disks.general on Sun 03 Dec 2006 06:02:03p:

Programs of formatting a hard disk checks its surface and excludes the
damaged (unreliable) places from further use - this is written in the
manual. Clearly, that if after formatting a hard disk something will
be written on it, these excluded places will not be used. And will it
be fair in the event when contents of this disk will be restored from
an image which has been done BEFORE formatting (for example, by
Acronis)?

Thank you

Lev




Exactly. All the bad sectors should be marked as unusable so when the
image is restored to the drive the bad sectors will not be used. If your
drive is showing a lot of bad sectors it could be a sign of impending
drive failure and you may be better off to replace the drive with a new
one.


Later......

LabRat...... |:^{)




  #3  
Old December 4th 06, 09:17 PM posted to microsoft.public.win98.disks.general
Jeff Richards
External Usenet User
 
Posts: 1,526
Default Disk restoration from image after formatting

It depends. An 'image' backup and restore may be exactly that - an exact
image of the disk. In that case, the bad sector mapping will be as at the
time of the backup, and any changes resulting from the Format procedure will
be ignored. This form of backup/restore ignores the existing file system on
the disk (including bad sectors) and simply puts everything back to exactly
how it was.

Other forms of backup/restore (including some that are described as 'image')
will make use of the file system and will pay attention to the current bad
sector mapping.

You need to examine the documentation for the program or option to determine
what forms of backup and restore operate at the file system level (and
therefore respect bad sectors found by Format) and which operate at the disk
level (and ignore the file system).
--
Jeff Richards
MS MVP (Windows - Shell/User)
"Levlg" wrote in message
...
Programs of formatting a hard disk checks its surface and excludes the
damaged (unreliable) places from further use - this is written in the
manual. Clearly, that if after formatting a hard disk something will be
written on it, these excluded places will not be used. And will it be fair
in the event when contents of this disk will be restored from an image
which has been done BEFORE formatting (for example, by Acronis)?

Thank you

Lev




 




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