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From "Yoshikazu Nojima (JIRA)" <>
Subject [jira] [Commented] (CLOUDSTACK-6191) Volume provisioning type option
Date Mon, 03 Mar 2014 18:07:21 GMT


Yoshikazu Nojima commented on CLOUDSTACK-6191:

To be the best of my knowledge, only qcow2 distinguishes "thin" and "sparse", but most of
the hypervisors distinguish "thin" and "fat". Anyway, as you indicated, it's best implemented
as a disk offering parameter. I updated the design doc. Thanks!

> Volume provisioning type option
> -------------------------------
>                 Key: CLOUDSTACK-6191
>                 URL:
>             Project: CloudStack
>          Issue Type: Improvement
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: KVM, Management Server
>            Reporter: Yoshikazu Nojima
>            Assignee: Yoshikazu Nojima
>            Priority: Minor
>             Fix For: Future
> Thin provisioning of a volume saves consumption of a storage, and fat provisioning minimizes
IOPS performance overhead.
> This feature implements a global setting to provide users an option to select how to
provision volumes.
> Design doc:

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