Need to copy a 200GB directory

[Greg Rundlett (freephile)]

Hi Anthony! Welcome!

You can just reply to the list in general, but it doesn't hurt to reply-all

You should always start a new topic with a new thread ;-). And never top
post (unless you're me and using a phone)

~ Greg

On Jun 27, 2017 8:00 PM, "R. Anthony Lomartire" <opensourcekeys at gmail.com>
wrote:

> Also sorry idk if there is an intro thread or anything, but I've been a
> lurker for a while this has been my first actual post I think. I don't know
> if I should reply all or just send my reply to the GNHLUG email address?
>
> Anyways just quickly, I'm Tony and I'm in ad tech. We use machine learning
> to help advertisers optimize their ROI. At first I thought it would be
> lame, but at least it was a job, but gradually I have become more and more
> interested in ad tech and it is actually kinda cool. Ok so hiii!
>
> On Tue, Jun 27, 2017 at 7:55 PM R. Anthony Lomartire <
> opensourcekeys at gmail.com> wrote:
>
>> 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@
>>>>>> 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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