[mythtv-users] Is there a tuner limit? (problem with >8 tuners)

Michael T. Dean mtdean at thirdcontact.com
Tue Aug 21 17:21:10 UTC 2007

On 08/21/2007 08:31 AM, Chris Wilkie - NetrinoUK wrote:
> Now the problem I'm having is write speed on the disk array.  When
> making 8+ recordings, the load average (and io wait) shoots up.  It
> would appear that Linux is seeing the server's RAID system and switching
> the software write cache off, except that this server (apparently)
> doesn't have a write cache.  I guess performing 8+ random writes to disk
> at 5-7MBit/sec each is causing the problem.  If anyone knows how to
> force the software write cache back on (to save me some google time
> finding out) please let me know! :)

Spindling...  Which is possible in Myth (SVN trunk) using Storage Groups
and multiple filesystems.  (Though this approach may be very costly for
RAID users.)

> To be honest, I'm throwing away most of the functionality of Myth
> anyway, so I was considering just knocking up some Perl scripts

Should only take 42 lines of Perl code to rewrite Myth.  (Inside joke
for long-time -dev readers. :)


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