Try using /dev/rdiskX as source instead of /dev/diskX. Does that speed things up?
Greetings, Florian Am 12.12.2012 um 16:14 schrieb Garegin Asatryan: > when working on fully functional hard drives, under linux it performs full > i/o speed. when compiled under osx with the default compile flags, it is > magnitude times slower, sometimes crawling to Kb/s. the problem persists if > the output file is /dev/null. > > I have tried it on 10.5, 10.6, 10.7 and 10.8. the same issue. > _______________________________________________ > Bug-ddrescue mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/bug-ddrescue
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