On Sun, Nov 1, 2020 at 7:00 PM Chris Murphy <li...@colorremedies.com> wrote:

> ddrescue by default reads the whole file (via the mounted file system,
> not pointing it to raw sectors), but with truncated bad 4KiB blocks.
> The bad blocks are simply missing, there is no gap filled with zeros
> or some other pattern unless you ask ddrescue for that.

I think truncated is the wrong word here. That means to shorten, as in
the end is snipped off. When I use cat, it is truncated right at the
bad block, nothing else is read. Whereas ddrescue omits the bad 4KiB
blocks, but continues to read the rest.

-- 
Chris Murphy
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