[Gllug] Backup drive for CentOS 5 remote setup
Andrew Farnsworth
farnsaw at stonedoor.com
Tue Aug 17 12:54:53 UTC 2010
On Tue, Aug 17, 2010 at 7:34 AM, Karanbir Singh <mail-lists at karan.org>wrote:
> On 08/16/2010 06:02 PM, John Hearns wrote:
> > On a related note, I was reading a white paper on cloud computing for
> > HPC - providers are increasingly able to accept
> > data via 'sneakernet' shipped hard drives - one of the barriers to
> > cloud HPC being the amount of time it takes to schlep around
> > multi-gigabyte files unless you have some whopping academic bandwidth.
>
> I recently moved 5TiB of data from the US to London over sneakernet,
> luks crypted HP SimpleSave 2 TiB disks each. Just to make sure we made 2
> copies and sent them via different courier companies. Worked out quite
> well, in that we were able to move the data across in 5 days time( from
> ordering the disks online, to receiving them here in London ).
>
> This local loop is adsl! doing it over-the-wire would have taken ages.
>
To quote a very old saying "Never underestimate the bandwidth of a station
wagon* full of tapes"... ping time might be long but bandwidth is
incredible.
* Station Wagon = Estate car
Andy
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