[mythtv-users] Power bill vs SchedulesDirect bill

jedi at mishnet.org jedi at mishnet.org
Wed Sep 19 14:51:13 UTC 2007

>> Yeah, and my 2 GHz P4 slave backend uses about 60 watts when idle.
>> Hard disk spindown helps, too, if you have separate video and OS
>> drives.  (In my experience you can never get a Linux OS drive to spin
>> down for any reasonable amount of time.)
> Look into "laptop-mode" or "noflushd", mount your filesystems "noatime",
> and "nodiratime".  I.e. go read everything you can about saving power on
> laptops and apply it to your backend.  It's possible to get Linux to spin
> the drive down, it just takes some effort.

The problem with this is it also tends to cycle down the cpus. I have
found that to be a problem in terms of load average, cpu utilization,
job response time and playback response time.

The last thing I would recommend is enabling laptop-mode on any mythtv


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