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From
SubjectRe: 2.4.17:Increase number of anonymous filesystems beyond 256?
Date
Followup to:  <200201181212.g0ICCGq14563@bliss.uni-koblenz.de>
By author: Rainer Krienke <krienke@uni-koblenz.de>
In newsgroup: linux.dev.kernel
>
> Now think of a setup where no user directory mounts are configured but the
> whole directory of a NFS server with many users is exported. Of course this
> makes things easyer for the NFS-system since only one mount is needed but on
> the client you need to create link trees or something similar so the user
> still can access his home under /home/<user> and not something like
> /home/server1/<user>. Moreover even if you create link trees when you issue
> commands like pwd you see the real path (eg /server1/<user>) instead of the
> logical (/home/<user>). Such paths are soon written into scripts etc, so that
> if the user is moved sometime later things will be broken.
> You simply loose a layer of abstraction if you do not mount the users dir
> directly. The only other solution I know of would be amd. Amd automatically
> places a link. But since we come from the sun world, we simply uses suns
> automounter and there were no problems up to now.
>

This can easily be resolved with vfsbinds. Even Sun has a specific
syntax in their automounter to deal with this
(server:common_root:tail). If I ever do another autofs v3 release I
will probably try to incorporate that via vfsbinds.

-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
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