# Re: TortoiseSVN Bug with overlay icons on network drives

From: Stefan Küng <tortoisesvn_at_gmail.com>
Date: 2006-12-16 10:46:39 CET

Udo Eberhardt wrote:
> I do also have the problem that icons mix up because all my working
> copies exist on a SUBST drive (for the same reasons already mentioned in
> this thread). I tried the suggestion to use a loopback network drive
> instead. The problem with this is that disk I/O throughput is cut down
> by a factor of two (at least on my machine). So compiler/linker runs
> much slower which is bad.
>
> Is there any chance that the problems with SUBST drives will be fixed in
> future releases, or are there serious technical problems?

There's an easy way to solve this:
just exclude the original path from showing overlays (settings->icon
overlays->exclude paths).

For example, if you have mapped \\station\folder\wc to g:
then put "\\station\folder\wc*" as the exclude pattern.

The problems arise because the cache tries to fetch the status for two
"different" locations at the same time, but those locations are actually
the same --> two status fetchings for the same wc at the same time.
Subversion (I think more specifically apr) has problems with that and
can't work properly all the time in that case. But that's not just a
problem of apr but windows in general (SUBST drives are not real drives,
and certain API's don't work at all with those).

Stefan

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