Re: Problmes with Working Copy on NFS space (Solution!)

Hi,
after examining the problem carefully we found the solution
beeing easy and painless: the problem is related to the export
option no_subtree_check (on the NFS server),e.g. the manpage of
exports says:

| This option disables subtree checking, which has mild security
| implications, but can improve reliability is some circumstances.
...
| As a general guide, a home directory filesystem, which is
| normally exported at the root and may see lots of file renames,
| should be exported with subtree checking disabled. A filesystem
| which is mostly readonly, and at least doesn't see many file
| renames (e.g. /usr or /var) and for which subdirectories may be
| exported, should probably be exported with subtree checks enabled.

Disabling sub-tree checking for the file systems where we store our
working copies solved our problems.
Note, that by default subtree-checking is enabled!

Thus the quintessence out of this trouble is:

 Disable subtree checking on all NFS mounted file-systems where you
 store subversion working copyies.

Maybe this piece of information should be added to the trouble-shooting
section of the FAQ (together with: Don't put your repository on NFS
space!).

Achim

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Received on Fri Sep 19 11:07:07 2003