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Re: [PLUG] ddrescue/dd_rescue question
Art Alexion wrote:
the man nor how-to pages on the web seem to answer this.
AFAIK dd_rescue, just like regular dd, copies every single bit on the
hard disk, including the ones that are not in use by files. You might
be able to use dd_rescue to copy to a smaller hard disk if it supports
writing a compressed image (e.g. gzip, bzip2) or stddout, but otherwise
you'll have to have a bigger target.
I want to try to rescue some files from a 300 GB NTFS partition. I have
an empty 160 GB drive to use as the target. There are only 108 GB used
on the NTFS partition. Do ddrescue and dd_rescue copy free space,
meaning I need a 300 GB target, or will the 160 GB target be enough for
the <108 GB of data?
I really only want to copy the user files. ddrescue/dd_rescue seem only
to work on whole partitions. Is there a better solution that works as
well on distinct source files? rsync, even with --ignore-errors freezes
bash on this drive.
I don't know of any programs designed to rescue specific files from a
bad disk. There are plenty of programs that will rescue files from
corrupt filesystems (and perhaps you'll need one of those as well) but
it's probably best to just save the whole contents of the disk and
extract files later.
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