Re: hello, I am confused about a question of rbd

2015-07-23 Thread Dan Mick
Why not zero?

If the answer is "it can't be used", then, what arbitrary minimum size
is too small?

(also, given that resize exists, it can be used for storage after a resize.)

On 07/23/2015 06:03 AM, Jason Dillaman wrote:
> According to the git history, support for zero MB images for the 
> create/resize commands was explicitly added by commit 08f47a4.  Dan Mick or 
> Josh Durgin could probably better explain the history behind the change since 
> it was before my time.
> 

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Re: hello, I am confused about a question of rbd

2015-07-23 Thread Jason Dillaman
According to the git history, support for zero MB images for the create/resize 
commands was explicitly added by commit 08f47a4.  Dan Mick or Josh Durgin could 
probably better explain the history behind the change since it was before my 
time.

-- 

Jason Dillaman 
Red Hat 
dilla...@redhat.com 
http://www.redhat.com 


- Original Message - 

> From: "zhengbin 08747" 
> To: dilla...@redhat.com
> Sent: Thursday, July 23, 2015 7:52:16 AM
> Subject: hello, I am confused about a question of rbd

> When I create a rbd block, its size can be zero, why?I think it should not be
> zero, If it should not be zero, I will report a bug and fix it,thank you

> Like this, I create a rbd block name foo2, it can not be use

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