[CentOS] merge an lvm snapshot back

Garrick Staples wrote:
> On Sun, Apr 13, 2008 at 11:21:28PM -0600, Joseph L. Casale alleged:
>   
>>> Use rsync to copy the changes to the lv?
>>>       
>> That would be only be possible if the lv had an fs that rsync and the os under rsync understood:)
>> If these are exported as block devices into xen vm's or as iscsi targets for example it gets trickier.
>>     
>
> rsync doesn't have fs-specific knowledge.  It just reads and writes files.  Put
> another way, what fs does rsync not undestand?
>   

a raw block device, as they said.