[CentOS] determining correct size for LV copy operations

[John R Pierce]

Kai Schaetzl wrote:
> I have some problems with copying LV volumes and determining correct size.
> For instance, if I want to copy an LV from one machine to another. I dd 
> the LV to a file on the other machine, then dd the file to the new LV.
> That fails, because a few MB are missing.
>   


I'd probably use dump ... | restore ...   to copy it, assuming its an 
e2fs/e3fs on that logical volume.   then the volume sizes are immaterial.