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RE: Instance-store Amazon AMI

Hello James,

I didn't see this hint in the documentation, my bad. That's great !

Thanks a lot



On 2013-01-31 12:56, Bromberger, James wrote:
In CloudFormation, against your instance (or Launch Configuration if
using AutoScale), use:

"BlockDeviceMappings" : [ { "DeviceName"  : "/dev/sdf", "VirtualName"
: "ephemeral0" } ]

And in your UserData, you may want a script to test the volume for a
partition, and if empty do a format and mount.

James Bromberger | Solution Architect | Amazon Web Services

-----Original Message-----
From: Cédric Jeanneret [mailto:debian@tengu.ch]
Sent: Thursday, 31 January 2013 5:22 PM
To: debian-cloud@lists.debian.org
Subject: Re: Instance-store Amazon AMI

Hello Anders,

Oh, I see. Yes, right we can add them through the AWS Console. Fact is, we do not want to create our own AMI anymore, so I don't think I'll patch the
code and recreate the AMI ;).
I just have to find out whether this can be done in our cloudformation
(CFN) templates - pretty sure Amazon thought about it.

It may be just good to add some warning regarding the lack of default ephemeral storage on either the wiki page (btw, registered AMI on this page are wrong :/ ) or amazon marketplace. If I have some nice CFN stuff, I will post it in here - just have to see with my work team if this solution is suitable
for us.

Thanks a lot for your work and your answer.



On 2013-01-31 10:10, Anders Ingemann wrote:
> Actually, I used to do that by default
> (https://github.com/andsens/ec2debian-build-
> 6002426e277a7a309278ffc94
> [2]) but removed that feature because you now can mount them manually > in AWS when starting an instance. The problem is that you will have > some invalid default mappings when starting instances. In order for > this to work with all instance types, I have to map every conceivable
> instance store, which isn't very pretty. You can simply re-add the
> code in the above link to map all instance stores (keep in mind we use
> euca2ools instead of ec2-tools now) or possibly write a plugin for
> this...?
> Anders
> On 31 January 2013 09:50, Cédric Jeanneret <debian@tengu.ch> wrote:
>> Hello!
>> The Debian provided AMI are only EBS based, which is a bit crappy: >> no ephemeral storage are attached by default. For example, creating
>> an m1.small instance based on the provided AMI should get a 150G
>> ephemeral storage under /dev/xvdb - but there's nothing at all :(.
>> Would it be possible to provide "Instance store" AMI, as those one
>> will have the default ephemeral storage?
>> Thanks a lot for you answers.
>> Cheers,
>> C.
>> --
>> To UNSUBSCRIBE, email to debian-cloud-request@lists.debian.org
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>> Archive:

>> u.ch
>> [1]
> Links:
> ------
> [1]

> .ch
> [2]
> https://github.com/andsens/ec2debian-build-
> 002426e277a7a309278ffc94

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