Open Stack

This question was also discussed last week. You may want to have a look at
the answers there.
https://lists.launchpad.net/openstack/msg19997.html


-- Syed Armani

On Wed, Jan 16, 2013 at 10:25 PM, Kuo Hugo <tonytkdk at gmail.com> wrote:

>
> [Cinder] (born from nova-volume)
> The goal of the Cinder project is to separate the existing nova-volume
> block service into its own project.
>
>
> [Swift]
> Swift is a highly available, distributed, eventually consistent
> object/blob store. Organizations can use Swift to store lots of data
> efficiently, safely, and cheaply.
>
>
> Cinder is an project to leverage different backend storage pool as "block
> devices" for Nova instance .
>
> Swift is an object storage . The way to keep  files (objects) eventually
> consistent.
>
> There're many differences between Cinder and Swift.
>
> In a short summary , swift is not that good for very fast real-time I/O .
> And the object contents is unstructured . Looks like a box but you can not
> open it. Once you modify the content , the whole object will be a new one
> box.  Cinder provides user a pool for creating volume disk which  present
> as block level driver.
>
> If you ask me a question :
> Could swift's container be an instance's virtual disk? The answer is "YES"
> but in high risk.
>
>
> Cheers
> Hugo
>
>
>
>
> 2013/1/17 harryxiyou <harryxiyou at gmail.com>
>
>> Hi all,
>>
>> Swift is oriented Openstack object storage but Cinder is oriented
>> Openstack
>> block storage. What are the detail differences betwwen object storage and
>> block storage? Cloud anyone tell me his/her ideas? Thanks inadvance.
>>
>> --
>> Thanks
>> Harry Wei
>>
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>
>
>
> --
> +Hugo Kuo+
> tonytkdk at gmail.com
> + <tonytkdk at gmail.com>886 935004793
>
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