[sheepdog] [PATCH 1/2] collie: add command 'collie vdi rollback'

[Liu Yuan]

On 08/31/2012 12:17 PM, MORITA Kazutaka wrote:
>   $ collie vdi rollback test -s snap1
>   $ collie vdi tree test
>   test---[2012-08-31 13:05]-+-[2012-08-31 13:06]---[2012-08-31 13:07]
>                             `-(you are here)
>   $ collie vdi list test
>     Name        Id    Size    Used  Shared    Creation time   VDI id  Copies  Tag
>   s test         1  4.0 GB  0.0 MB  0.0 MB 2012-08-31 13:05   7c2b25     1         snap1
>   s test         2  4.0 GB  0.0 MB  0.0 MB 2012-08-31 13:06   7c2b26     1         snap2
>   s test         3  4.0 GB  0.0 MB  0.0 MB 2012-08-31 13:07   7c2b27     1              
>     test         4  4.0 GB  4.0 MB  0.0 MB 2012-08-31 13:08   7c2b28     1  

Why rollback create another vdi? I thought of rollback in place instead
of creating another VDI object too.

Thanks,
Yuan