I was wondering how you are supposed to prepare the destination drive
before using ddrescue, i.e. do you format it to the filesystem you are
copying from, do you format it raw or do you do nothing?
You could do one of several things.
1- If you only want to image one partition (and the partition table on the
source drive is intact), you can create a partition on the destination drive as
big as the source, or bigger, and then copy it.
You don't need to create a filesystem on the partition, since you are copying
the filesystem from the source drive. You can then repair and grow the
filesystem to take up the entire size of the new partition if you made the
partition bigger.
2- If you want to image the whole drive, (for example, if the partition table
if not intact) you don't have to do anything. In this case, the partition
table from the source drive will be written to the destination and you will
have to change/fix it.
3- You can image the drive to a file. This is the safest way to go. I image
the drive or partition to a file and then either dump the file back onto
another drive or just work with a copy of the file.
The reason for this is if I further scramble the filesystem while trying to
repair it, I can always start over and I don't have to rely on luck to get
another good image from the source.
You can do anything with an image file. You just need to have the space to use
it.
To image a drive to a file, you need to partition and format the destination
drive and create a filesystem that supports large files (not VFAT).
Cheers!
Andrew
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