SolidWorks -- Windows-Delayed Write Failed

[kellnerp]

My file server is based on Linux and Samba 3.4.0. When using SolidWorks on multiple clients I sometimes get Windows-Delayed Write Failed errors and sometimes SolidWorks just refuses to write files that were opened on the file server. Writing the file locally will typically work.

Looking at MSoft's KB article 330174 the first thing to look at is hardware. However, as mentioned this error occurred on the file-server which was networked. This leads to another MSoft KB article 812937 which explains why this problem can happen.

MSoft article 812937 gives enough information to solve the problem using Samba.org's help documents. Chapter 08 discusses oplocks. The settings that seem to do the job on shares that server SolidWorks files are:

[customers]
        comment = Customers
        path = /mySolidWorksFiles
        writeable = yes
        browseable = yes
       ...
        hide files = /~*.sld*/
        hide dot files = yes
        fake oplocks = no
        oplocks = yes
        level2 oplocks = yes

The last entry, level2 oplocks = yes is important as it allows Samba to deal with SolidWorks changing files from read only to read in a multi-user environment.


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