On Tue, 1 Oct 1996, Jukka Marin wrote:

> Probably a stupid question:
> 
> Why can I
> 
>  mount_union -b /src /usr/src
> 
> but can NOT
> 
>  mount_union -b /src /home/src
> 
> ?  I get "mount_union: Operation not supported" from the second command.
> 
> Both /home and /usr are local FFS partitions.  The only difference I can
> see is that /home has userquota enabled while /usr hasn't.  /src is NFS
> mounted from another machine (yeah, lack of disk space).

I ran into a similar problem. What type of FFS partition is /home?
To be mounted, the upper layer has to have whiteouts, which is
(AFAIK) a level 2 FFS.

Hope this helps.

Take care,

Bill