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Tim Chiu

very cool! literally! :)

Tim Chiu

Is there an option to move archives from glacier to standard S3 via an API call? And will Import/Export support burning from glacier directly?

Simon Willison

I'd really like to be able to pre-pay for Glacier. One of my fears when using AWS is that one day my credit card might bounce, I'll be off on a one-month long holiday and by the time I return all of my personal data stored on S3 will be deleted. I'd love to be able to pay some cash up front in return for knowing that my data stored on Glacier is safe for the next 50 years.


Unbelievable. ~$10/month to store a terabyte vs. $128/month with S3. This is a game changer. Pretty sure I need to quit my PhD and go work at Amazon because you guys are innovating at lightning speed.

Dirk Krause

As far as I can see, there is no Python support yet for Glacier ... is this planned? in Boto, maybe?


Great job Jeff!

Brilliant. With any decent internet connectivity and client-side encryption, this means an end to ye olde' tapes, external HDDs, BR, backup arrays and other hardware.

It's also a very important news for individuals, because it enables a new way of thinking about storage and gigabytes (disk space) in general. It's a perfect companion to recent cloud-computing mindset and plethora of cloud-oriented devices (like ultrabooks with small, fast SSD storage, netbooks with little or no storage, smartphones). In many scenarios (for professionals and house holds alike) it potentially retires a lot of hardware solutions.

I believe Glacier is a disruptive innovation. Because of slow access times it would not be fit for some use cases (like media content storage for creative audio/video editing, which sometimes necessitates random access to clips). But for everything else, and everything with "backup" in its name, it's a true game changer!

David Mytton

What are the plans for supporting this in the AWS Storage Gateway product?

Do you guys have any third party tools available from partners, e.g. cloudberry, yet?


This sounds really nice. One concern is lack of either SLA or back-end details. Will my data still be there in 10 years? Or is it going on a decaying tape deck somewhere? Is there ever verification/replication?


Great addition to AWS. We just ran a quick cost forecast in and it's interesting:

If you start with 100GB then add 10GB/month, it would cost $102.60 after 3 years on AWS Glacier vs $1,282.50 on AWS S3!

Andrew Chilton

Hi Jeff and AWS,

Support for Glacier has been added to AwsSum, the Node.js library which talks to 26 Amazon Web Services.


It has also made my code for the AWS Signature v4 better too! :)


Pete Chown

This looks interesting, but I don't feel I understand the pricing for excess retrieval requests. First of all I don't understand how the 'peak hour' figure is calculated. Second, is the charge imposed when I ask for data to be brought back from secondary storage, or when I actually download it?

(IMHO, complicated pricing is a problem with a lot of the AWS product range. A good example is the charge per I/O request for EBS volumes. It's hard to know how I/O requests will be batched up by the operating system, so it's hard to predict what you'll actually be asked to pay.)


"Data tranfer out" is a bit pricey. In many scenarios it will represent the real cost of the service, as retrieving 100GB would be as expensive as mantaining them for ten months.


Really awesome - AWS never fails to surprise with brilliant new products.
I think this could spark a few new products / startups at a cost of about x10 cheaper than S3.

Juan Fernandez

I wonder if this service can act as a replacement for the typical enterprise data backups. It seems to be a cost-effective solution for keeping that kind of data, but my concers arise on the worst case.

What should the restore / recovery procedure of that big data be? I mean, it's not a problem uploading 12TB of data, as we have plenty of time to do it while our systems are working. But then, in case of an emergency, as if one of our data servers breaks with some 4TB of data in it, and we have to restore the system, we need a fast, reliable and not expensive procedure of recovering the previous state.

Is there any offline procedure in place?



Is this service HIPPA/SOX/etc compliant?


There is no archiving system in the world that requires you to use java in order to upload or download an archive. You guys have such great ideas, but you mess it up by not providing user friendly tools to operate it. I guess I have to wait until someone builds a client app because there is not way I'm going to mess around with java just to upload an archive.
The days of black screens with green lettering is over, my friends.;-)

Eric Mesa

Sounds pretty awesome. Is there an ability to mount my Glacier onto a Unix computer for transparent backups?


Wait what? A data-storage service for gigs and gigs of data and offering only HTTP GET-requests? Whats up with that??? I would love to use your service if you offer FTP (maybe sftp or something?) as a way to upload and download. Also mounting the volume on unix/windows/mac would come in handy. Additional question: is there an API available?


If anyone wants to try uploading to Glacier over FTP, I'll be deploying that support soon. See


Eric Mesa - I dont want to troll, but did you even read/watch the video/article? or did you just try to "be first"

Account Deleted

We are working on Windows Client for Amazon Glacier.


The first public version will be released in the near future.

Rayson  (Open Grid Scheduler)

Boto will be getting Glacier support:!topic/boto-users/0yAXxh4qNiA

Of course, the maintainer of Boto is also busy with many other things.


I like the service and pricing, but as a minor point of feedback, I question the name of the product. "Glacial" can mean very very cold, but it can also mean very very slow, which isn't really a connotation you want associated with a web service.

Brian McMichael

Hi everyone. I made an uploader for Glacier last night. It's one-way right now, but I can add more features later.

Account Deleted

The first public version of FastGlacier is just released:

Chris Gent

Are there any plans for an EBS volume archive to Glacier api function? I like the idea of incremental daily snapshots to s3 for fast data recovery and then full weekly/monthly/yearly backups to Glacier.

Account Deleted

CloudBerry Lab has just released the version of CloudBerry Backup the Windows application that automates data backup to cloud storage, with Amazon Glacier support. Download your copy at

Account Deleted

CloudBerry Lab has also released the newer version of CloudBerry S3 Explorer freeware, the tool that helps move files to the Glacier with FTP like interface.
In addition CloudBerry Cloud Migrator allows migration data to Glacier from FTP sites, Amazon S3 and other cloud providers The first 6 GB of data transfer per month is free

Ashok Kumar

Can you explain, how can we download data from Glacier.

Jeff Barr

Hi Ashok, you will need to use the Glacier APIs or a Glacier GUI tool such as FastGlacier.


Try WinGlacier for uploading and downloading your files to/from Amazon Glacier. Few features...
•archive metadata in your own db on the cloud, so your metadata doesn't get lost when you switch machines
•Zip Compression, password encryption
•Fail-safe automatic resumption of file transfers between application shutdowns
•Multiple concurrent file transfers
Check us out at

Thank you

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