[mythtv-users] Primary (only!) backend, remote storage, mythweb preview images

[Michael T. Dean]

On 08/27/2009 01:26 PM, Nicki wrote:
> I've got a FreeNAS server with lots of storage mounted to the 
> /var/lib/mythtv directory. Recording and playback works fine. However, 
> I've noticed that the preview images in mythweb  no longer gets 
> generated, and found the following in the logs:
>
> 2009-08-25 19:40:24.979 Preview Error: Previewer file 
> '/var/lib/mythtv/recordings/1038_20090825194000.mpg' is not valid.
> 2009-08-25 19:40:24.987 Preview Error: Run() file not local: 
> '/var/lib/mythtv/recordings/1038_20090825194000.mpg'
> 2009-08-25 19:40:25.014 Preview Error: Preview process not ok.
>                        
>  fileinfo(/var/lib/mythtv/recordings/1038_20090825194000.mpg.png) 
> exists: 0 readable: 0 size: 0
> 2009-08-25 19:40:25.017 MainServer: Failed to make preview image.
>
> The file does exist:
> root at mythbuntu:/var/log/mythtv# ls -la 
> /var/lib/mythtv/recordings/1038_20090825194000.mpg
> -rw-r--r-- 1 mythtv mythtv 1935136768 2009-08-25 20:30 
> /var/lib/mythtv/recordings/1038_20090825194000.mpg
> root at mythbuntu:/var/log/mythtv#
>
> It seems to me that mythbackend does not generate previews for 
> recordings on non-local storage. Can anyone please confirm this, or 
> whether there is a workaround available?

You probably need to turn off the file attribute caching.

For NFS:
http://www.mythtv.org/docs/mythtv-HOWTO-23.html#ss23.10

For CIFS/SMB:
http://www.gossamer-threads.com/lists/mythtv/users/393841#393841

Mike