Olaf Hering wrote:
>  On Thu, Jun 03, Harald Hoyer wrote:
>>What I also wish is a flag for the DB, which indicates that the file 
>>already existed and should not be removed with the "remove" ACTION.
> 
> 
> That cant be the job of udev. If the device is not there, then noone
> will need the device node. We can certainly argue about broken things
> like md0 and similar chicken/egg problems.
> 

Think of the administrator manually changing the ownership of device 
nodes. You cannot/will not want to teach them to edit the udev 
permissions file. Thus you have to preserve the node, if it was there 
before udev stepped in. With the old ownerships and permissions.