[mythtv-users] thrashing hard drive

Kevin Kuphal kkuphal at gmail.com
Wed Sep 24 15:01:40 UTC 2008

On Wed, Sep 24, 2008 at 9:56 AM, jansenj
<jansenj+myth at gmail.com<jansenj%2Bmyth at gmail.com>
> wrote:

> I've noticed my hard drive thrashing a lot while recording 2 hd shows
> (from hdhomerun) and watching a third HD show on a frontend/backend.
> I've noticed some issues with the 2 hd recordings when I do this.  Is
> there an easy way to reduce the amount of head movement on the hard
> drive?  Can you force an IO buffer so you can burst closer to 8mb or
> something along those lines.  Does the HD ring buffer help out with
> normal recording?  Otherwise is there a generic linux parameter that
> could help out.  I have 1gig of RAM, would more help?  I only have 1
> hard drive right now for recordings.  Any suggestions?

Do you have your database on the same drive as the recordings?  All the
seektable updates in the DB for 2 recordings + playback + possible
commflagging can be pretty hard on the drive.  I usually recommend that /var
or the place where your DB is stored be on a drive different than any

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