[OpenAFS] create mountpoint for user in afs
John Hascall
john@iastate.edu
Mon, 07 Jan 2008 11:08:02 CST
> > Assuming you followed the
> > /afs/<cell> readonly mtpt
> > /afs/.<cell> readwrite mtpt
> > "standard".
>
> I read about this "standard" but I don't get it completly. Does it mean,
> that I have to write to /afs/.<cell>/user/file but read all the files
> from /afs/<cell>/user/file? Is there some kind of "automatic" in there
> or do I have to call "vos release" periodicaly?
AFS prefers ReadOnly Volumes to ReadWrite Volumes,
until it gets to a ReadWrite Volume. So normally,
the top of your afs tree is readonly and the actual
data volume leaves are readwrite.
So:
touch /afs/@cell/user/matthais/file
works fine, because:
/afs/@cell/user/matthais/file
RO RO RO RW
but:
touch /afs/@cell/file
RO RO uh-oh
fails. Thus, the dot-cell RW mountpoint, thus:
touch /afs/.@cell/file
RO RW
works.
John
> I've created a RO site of my root.afs so I can access it with
> /afs/.<cell>/. At the moment both site are on the same server and
> partition.
>
> $ vos examine -id root.afs -localauth
> root.afs 536870912 RW 4 K On-line
> ...
> RWrite: 536870912 ROnly: 536870913
> number of sites -> 2
> server ac.mteege.de partition /vicepa RW Site
> server ac.mteege.de partition /vicepa RO Site
>
> Matthias
>
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