2007/416 NFSv4 Mirror-mounts

[Bill Sommerfeld]

Is there a server-side change associated with this project or is it
entirely a client-side feature?

On Tue, 2007-07-17 at 22:29 +0100, Calum Mackay wrote:
> Recursive manual hierarchical unmounting
> 
> If an NFS filesystem is manually unmounted, then any mirror-mounted
> filesystems contained within it will also be unmounted, if idle. If
> there is an active mirror-mounted filesystem within, the manual unmount
> will fail, as though that original filesystem were busy. A forced
> unmount will, however, be propagated through to all enclosed
> mirror-mounted filesystems.

this seems odd to me -- is there some reason the unforced unmount can't
always recurse into the enclosed mirror mountpoints?