[mythtv-users] Recording/playing back same file via NFS

Billy Macdonald billymacdonald at gmail.com
Mon Aug 13 08:23:15 UTC 2007

On 8/12/07, Brad DerManouelian <myth at dermanouelian.com> wrote:

> I know the drive's limits aren't being reached because I can record 1
> HD + 2 SD recordings and watch HD all at the same time from this one
> drive as long as the HD program I'm watching is not the one that's
> recording. Also, this problem happens when recording only 1 SD
> program locally on the master backend and trying to watch it from the
> remote frontend.
> It seems like there's some weird seek latency while reading from and
> writing to the same file over NFS or while streaming from the master
> backend. I was hoping for some magic setting that I missed that would
> improve NFS caching to fix that or whatever.

This sounds like more of an issue with MySQL and the seek table than
with NFS or networking.  I don't have a solution for you
unfortunately, but I would suggest that it's not an issue with your
network speed.

The one network issue is does your NFS mount go through the external
IP?  I notice that the machine name in your fstab resolves to an
external address for me.  does your frontend resolve that to an
external address as well?  It should likely go to an internal address.

Good luck.

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