[mythtv-users] Planning Tuners and Disk I/O for a MythTV

Justin Garrison rothgar at 1n73r.net
Sat Feb 6 22:21:43 UTC 2010

With my current system I have found that my largest disk IO hit comes from
trying to flag commercials while watching live TV rather than just recording
multiple shows at once.
Also with 1 SATA drive I have had no problems recording 3 HD shows (1 from
HD-PVR and 2 from HDHR) but I start to run into problems once I try to watch
one of the recordings while commercial flagging is going on.
Separating frontend/backend would probably help me but I think turning off
commercial flagging temporarily works well enough. Also having a separate
drive for LiveTV only would help if the FE/BE are on the same machine.

And if you are going all out, have you considered solid state drives?
throughput is much higher but obviously so is cost. If you just have a
60-120 gb drive for Live TV I could see it helping if you if you want to
record 3+ shows while watching LiveTV.

Justin Garrison
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