Please send all Zope related questions to a Zope related mailing
list and not to me privately.

Usually, I do not answer questions sent to me privately!

I added "".

Christoph Berendes wrote at 2005-10-21 14:12 -0400:
>I created a mount point, /default_site and a corresponding directory 
>var/default_site.  I build my plone site from scratch into 
>default_site/site001, and all is good.
>I then create a second mount point /kitchensbyartisan and a 
>corresponding directory var/kitchensbyartisan.  I copy 
>var/default_site/Data.fs into var/kitchensbyartisan. Make the new_site 
>mount point in the ZMI, restart a lot etc.
>However, when I then navigate in the ZMI to kitchensbyartisan, it's 
>empty and doesn't show site001 (or anything)
>Do I  need something fancier than the following in zope.conf, some 
>reference to default_site?
><zodb_db kitchensbyartisan>
>mount-point /kitchensbyartisan
>path $INSTANCE/var/kitchensbyartisan/Data.fs

When you use this simple mount-point syntax, then the mount
path is coded into the generated storage and you cannot
mount the storage under a different path.

Actually, the mount-point syntax is much more complex than the form
you use above. Among others, it supports

   mount-point      mount-path:storage-path

"mount-path" describes how you reach the mount point
in the mounting application and "storage-path" how you
find the mounted object from the storage root.

An example would be:

   mount-point   /F1/F2/XXX:/S1/XXX

Note that the last component in both paths *MUST* be identical
(otherwise, Zope's url construction no longer works with
URL traversal).

Usually, the "storage-path" will look like "/XXX" (where "XXX" is
some id (without '/')).

If "storage-path" is not given, it defaults to "mount-path" (this
explains why you do not see anything in your storage).

To summarize:

  *  always explicitely give a storage path

  *  use a storage path of the form "/<id>"

  *  then you can mount the storage at different places
     *BUT* you must never mount with a different id
     (the mount point must have the same id as that of the
     mounted object).

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