[mythtv-users] Auto-expire two files while recording two files

Jeff jeff at intersystems.com
Sat Jan 31 07:54:34 EST 2004


At 12:41 AM 1/31/2004 -0500, you wrote:
> > I have my Myth box setup to record Letterman and Leno,
> > and also to only keep the 2 most recent shows of each.
> >  So when it starts recording the two shows, it detects
> > that it can expire the oldest two.  So now, it's
> > writing two MPEG-2 files from the PVR's, while
> > deleting two large MPEG-2 files from the drive and
> > this causes blocking every night, consistently and
> > repeatably.  (and somewhat understandably).  So my
> > question is, is there anyway to either run the expire
> > process at a later time, or at a lower priority to
> > solve this?
>
>Not much that can be done in Myth about this.  I believe Myth is
>effectively just using the unlink() system call which causes
>the kernel to delete the file.  Since the deletion is run
>inside the kernel you can't "nice" it or anything.
>
>I'd investigate different filesystems and maybe run some
>tests on your own machine.  There's been quite a few discussions
>on the mailing list about ext[23] vs reiser vs
>insert-your-favorite-filesystem-name-here.

Myth could check to see whether a recording is
in progress and if so, the deletion is queued for later.



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