My muscle memory always puts the flags "-avz" (sometimes I even remember to add a P in there), so there must have been one point in time where you had to specify compression. Might still be the case.<br><br><div class="gmail_quote"><div dir="ltr">On Tue, Jun 27, 2017, 12:02 PM mark <<a href="mailto:prgrmr@gmail.com">prgrmr@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">My mistake. I wrote encryption when I meant compression, as I belive rsync always compresses--but I could be mistaken about that, too!</p>
<p dir="ltr">Mark<br>
</p>
<div class="gmail_quote">On Jun 27, 2017 11:55 AM, "Tom Buskey" <<a href="mailto:tom@buskey.name" target="_blank">tom@buskey.name</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">rsync doesn't encrypt if there's no remote, as in this case.<div><br></div><div>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.</div><div><br></div><div>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.<br><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Jun 26, 2017 at 4:11 PM, mark <span dir="ltr"><<a href="mailto:prgrmr@gmail.com" target="_blank">prgrmr@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">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.</p><span class="m_6601288979295708402m_1324201240333406023HOEnZb"><font color="#888888">
<p dir="ltr">Mark</p>
</font></span><div class="gmail_quote"><div><div class="m_6601288979295708402m_1324201240333406023h5">On Jun 26, 2017 3:18 PM, "Charles Farinella" <<a href="mailto:cfarinella@appropriatesolutions.com" target="_blank">cfarinella@appropriatesolutions.com</a>> wrote:<br type="attribution"></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="m_6601288979295708402m_1324201240333406023h5"><div dir="ltr">We need to copy a large (200+GB) directory from one filesystem to another, both locally mounted. <br><div><br></div><div>I'm unsure as to what I should use to do this, cp, rsync, dd?<br><br></div><div>Any suggestions appreciated.<br><br></div><div>Thanks.<br><br></div><div>--charlie<br></div><div><br clear="all"><div><div class="m_6601288979295708402m_1324201240333406023m_-2034162616874911279m_-3178690227620682922gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Charlie Farinella<div>Systems Administrator</div><div>Appropriate Solutions, Inc.</div><div><a href="tel:(603)%20924-6079" value="+16039246079" target="_blank">1-603-924-6079</a></div></div></div></div></div></div></div></div>
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