They do mention up to 1Tb/s transfer rate between the truck and the data
centre, which, for 100PB, would take 10 days to transfer into the truck and 10
days out of it into the AWS storage.
I think the main purpose of the service, snowmobile and snowball, is the initial transfer of high volume of data to the AWS cloud. You would still need a data link for the data that is
acquired/generated on an ongoing basis.
And you may decide to migrate/copy your data to the cloud so that someone else
can take care of the storage and global distribution of the data.
Cheers,
Fred
On 27/07/18 08:10, Jörg Saßmannshausen wrote:
Hi all,
Jim: the flip side of the cable is: once it is installed you still can use it,
whereas with the snow mobile you have to pay for every use.
So in the long run the cable is cheaper, specially as we do need fast
connection for scientific purposes.
I was at a talk here in London not so long ago when they were talking about
data transfer of the very large telescope. As that is generating a huge amount
of data a week, say, a snow mobile would simply not be practical here.
Besides, the data is generated on literally the other side of the world.
All the best from a hot, sunny London
Jörg
Am Freitag, 27. Juli 2018, 00:47:18 BST schrieb Lux, Jim (337K):
A quick calculation shows that the bandwidth is on the order of single digit
Tbps, depending on the link length and road conditions. Pasadena to Ann
Arbor works out to 7.6 Tbps on I-80
If they charge by fractional months - it's about a 33 hour drive, so call
that 1/15th of a month. So about $35k to do the transport. Significantly
cheaper than 4000 km of fiber, coax, or cat 5 cable.
Jim Lux
(818)354-2075 (office)
(818)395-2714 (cell)
-----Original Message-----
From: Beowulf [mailto:beowulf-boun...@beowulf.org] On Behalf Of Fred
Youhanaie Sent: Thursday, July 26, 2018 5:10 PM
To: beowulf@beowulf.org
Subject: Re: [Beowulf] Lustre Upgrades
Yep, this could be considered as a form of COTS high volume data transfer
;-)
from https://aws.amazon.com/snowmobile/faqs/ (the very last item)
"Q: How much does a Snowmobile job cost?
"Snowmobile provides a practical solution to exabyte-scale data migration
and is significantly faster and cheaper than any network-based solutions,
which can take decades and millions of dollars of investment in networking
and logistics. Snowmobile jobs cost $0.005/GB/month based on the amount of
provisioned Snowmobile storage capacity and the end to end duration of the
job, which starts when a Snowmobile departs an AWS data center for delivery
to the time when data ingestion into AWS is complete. Please see AWS
Snowmobile pricing or contact AWS Sales for an evaluation."
So it seems a fully loaded snowmobile, 100PB at 0.005/GB/month, would cost
$524,288.00/month!
Cheers,
Fred.
On 26/07/18 21:49, Lux, Jim (337K) wrote:
SO this is the modern equivalent of "nothing beats the bandwidth of a
station wagon full of mag tapes" It *is* a clever idea - I'm sure all the
big cloud providers have figured out how to do a "data center in shipping
container", and that's basically what this is.
I wonder what it costs (yeah, I know I can "Contact Sales to order a
AWS Snowmobile"... but...)
Jim Lux
(818)354-2075 (office)
(818)395-2714 (cell)
-----Original Message-----
From: Beowulf [mailto:beowulf-boun...@beowulf.org] On Behalf Of Fred
Youhanaie
Sent: Tuesday, July 24, 2018 11:21 AM
To: beowulf@beowulf.org
Subject: Re: [Beowulf] Lustre Upgrades
Nah, that ain't large scale ;-) If you want large scale have a look at
snowmobile:
https://aws.amazon.com/snowmobile/
They drive a 45-foot truck to your data centre, fill it up with your
data bits, then drive it back to their data centre :-()
Cheers,
Fred
On 24/07/18 19:04, Jonathan Engwall wrote:
Snowball is the very large scale AWS data service.
On July 24, 2018, at 8:35 AM, Joe Landman <joe.land...@gmail.com> wrote:
On 07/24/2018 11:06 AM, John Hearns via Beowulf wrote:
Joe, sorry to split the thread here. I like BeeGFS and have set it up.
I have worked for two companies now who have sites around the world,
those sites being independent research units. But HPC facilities are
in headquarters.
The sites want to be able to drop files onto local storage yet have
it magically appear on HPC storage, and same with the results going
back the other way.
One company did this well with GPFS and AFM volumes.
For the current company, I looked at gluster and Gluster
geo-replication is one way only.
What do you know of the BeeGFS mirroring? Will it work over long
distances? (Note to me - find out yourself you lazy besom)
This isn't the use case for most/all cluster file systems. This is
where distributed object systems and buckets rule.
Take your file, dump it into an S3 like bucket on one end, pull it
out of the S3 like bucket on the other. If you don't want to use
get/put operations, then use s3fs/s3ql. You can back this up with
replicating EC minio stores (will take a few minutes to set up ...
compare that to others).
The down side to this is that minio has limits of about 16TiB last I
checked. If you need more, replace minio with another system
(igneous, ceph, etc.). Ping me offline if you want to talk more.
[...]
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