[mythtv-users] Serious concerns about LiveTV Ringbuffer changes - a Q for develo pers

Buechler, Mark R Mark_R_Buechler at bausch.com
Wed Dec 28 19:37:08 EST 2005

I have a question concerning the recent changes in LiveTV around the
Ringbuffer. I'm very concerned that without significant hardware changes on
my part I'll not be able to ever upgrade to the newer MythTV versions. This
is based on what I've seen of the changes so far. Let me explain.


My recordings directory is a raid5 set which isn't the fastest in the world
but can handle two SD recordings just fine - unless it's syncing. My live tv
buffer is a raid0 of a couple disks - VERY fast. Now, after a power outage
my raid5 array takes hours to sync again. That means if LiveTV is using that
raid5 set I'm not watching TV for hours until the resync is finished. The
raid5 set is almost 700gig - not something cheaply replaced (at least for


Another thing I'm considering is HD. If I attempt to vew HD content from my
DVB card while streaming it to the raid5 array it can't really handle it too
well - whereas with a separate live tv buffer it wasn't a problem.


Is there any plan to have support for a live tv buffer SEPARATE from
recordings? I know the reason behind putting in this change and I agree with
it, however, I don't see how I can ever upgrade with this in place as it is.


- Mark.


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