[CentOS] samba file locking

[John R Pierce]

Les Mikesell wrote:
> Rsync normally creates the updated file under a tmp name and renames only when 
> the transfer is complete.  It has the advantage that if you repeat the tranfer 
> with unchanged files it doesn't actually do it so you don't have to track which 
> files in a directory need to be updated - and it should work over ssh anywhere 
> you could use scp.
>   

I thought the default mode for rsync involved block checksumming and 
only sending blocks that changed, which get written in place.   there's 
options which modify this behavior.