Dumping a partition frequently runs into errors (at least on my system). This pull request adds two workarounds for this, by
(a) incorporating @mathnerd314's read-retry patch
(b) if dumping to an existing file, append missing data instead of overwriting.
Dumping a partition frequently runs into errors (at least on my system). This pull request adds two workarounds for this, by (a) incorporating @mathnerd314's read-retry patch (b) if dumping to an existing file, append missing data instead of overwriting.