My mistake. I wrote encryption when I meant compression, as I belive rsync always compresses--but I could be mistaken about that, too!
Mark On Jun 27, 2017 11:55 AM, "Tom Buskey" <t...@buskey.name> wrote: > rsync doesn't encrypt if there's no remote, as in this case. > > To be pedantic, rsync to remotes uses ssh by default but it can use rsh > which has no encryption. Some older versions of SSH allowed you to specify > the encryption. I recall using XOR encryption for faster operation where > security was not needed. > > Encryption typically does some compression. If you compress 2x, you're > doubling the bits through the pipe in the same time. If the > encryption/compression computation at either end is faster than than the > uncompressed bandwidth, you'll have faster throughput. That's very typical > on newer multicore, high GHz CPUs. > > On Mon, Jun 26, 2017 at 4:11 PM, mark <prg...@gmail.com> wrote: > >> Locally, cp is faster because you cannot make rsync not encrypt, but the >> restart-from-where-it-stopped feature of rsync makes it worth the wait. >> >> Mark >> On Jun 26, 2017 3:18 PM, "Charles Farinella" < >> cfarine...@appropriatesolutions.com> wrote: >> >>> We need to copy a large (200+GB) directory from one filesystem to >>> another, both locally mounted. >>> >>> I'm unsure as to what I should use to do this, cp, rsync, dd? >>> >>> Any suggestions appreciated. >>> >>> Thanks. >>> >>> --charlie >>> >>> Charlie Farinella >>> Systems Administrator >>> Appropriate Solutions, Inc. >>> 1-603-924-6079 <(603)%20924-6079> >>> >>> _______________________________________________ >>> gnhlug-discuss mailing list >>> gnhlug-discuss@mail.gnhlug.org >>> http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/ >>> >>> >> _______________________________________________ >> gnhlug-discuss mailing list >> gnhlug-discuss@mail.gnhlug.org >> http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/ >> >> >
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