Need to copy a 200GB directory

[R. Anthony Lomartire]

No offense or anything but I find it amusing that one of the most active
threads on this mailer has been about copying a bit of data :D

On Tue, Jun 27, 2017 at 6:29 PM Matt Minuti <matt.minuti at gmail.com> wrote:

> 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.
>
> On Tue, Jun 27, 2017, 12:02 PM mark <prgrmr at gmail.com> wrote:
>
>> 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" <tom at 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 <prgrmr at 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" <
>>>> cfarinella at 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>
>>>>>
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>>>>>
>>>>>
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