On 9 April 2016 at 11:36, Alexander Kanevskiy <[email protected]> wrote: > This might be dangerous. Even in recent version of DD (coreutils 8.25), it > might not detect in source file mapped/unmapped blocks properly, > (just use is_nul() function to check if block contains only zeros, instead > of e.g. fiemap). > Result might be so, that in output file block which must be zeros is > actually become unmapped. And as consequence, if it might not be written to > destination drive. >
Agreed, I've a revert queued. Ross
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