2015-02-22, 05:01
@RamboUnchained: Delete the Textures13.db file from the Mach 8. Your remaining problem is a perfect illustration of why thumbnail sharing isn't supported, and is prone to failure.
@dgcruzing: Not necessarily multiple thumbs directories, but each client is likely to be overwriting existing shared thumbnail files until every client has cached the same thumbnail and created an entry in it's local Textures13.db.
If a client has plenty of local storage, then don't use path substitution - simple as that. If however you have a client with insufficient local storage, then allocate it a dedicated, unique folder on your network that is only read/written by that client (using path substitution) and not accessed by any other client. Rinse and repeat for every additional client with insufficient local storage.
@dgcruzing: Not necessarily multiple thumbs directories, but each client is likely to be overwriting existing shared thumbnail files until every client has cached the same thumbnail and created an entry in it's local Textures13.db.
If a client has plenty of local storage, then don't use path substitution - simple as that. If however you have a client with insufficient local storage, then allocate it a dedicated, unique folder on your network that is only read/written by that client (using path substitution) and not accessed by any other client. Rinse and repeat for every additional client with insufficient local storage.