[mythtv-users] Autoexpire checking all disks every 15 minutes causing them to not spin down

[mythtv at blandford.net]

John Drescher wrote:
> I moved my master backend to a new machine and after this all the
> drives on the new machine are always spinning instead of powering down
> like they did when the machine was a slave bakend.
> 
> I checked the logs and it appears that autoexpire is the culprit:
> 
> 2008-12-22 07:41:22.982 AutoExpire: CalcParams(): Max required Free Space: 1.0 G
> B w/freq: 15 min
> 2008-12-22 07:56:24.940 AutoExpire: CalcParams(): Max required Free Space: 1.0 G
> B w/freq: 15 min
> 2008-12-22 08:10:20.293 UPnpMedia: BuildMediaMap VIDEO scan starting in :/share/
> Movies/dvd:
> 2008-12-22 08:10:20.322 UPnpMedia: BuildMediaMap Done. Found 0 objects
> 2008-12-22 08:11:26.673 AutoExpire: CalcParams(): Max required Free Space: 1.0 G
> B w/freq: 15 min
> 2008-12-22 08:26:28.415 AutoExpire: CalcParams(): Max required Free Space: 1.0 G
> B w/freq: 15 min
> 2008-12-22 08:40:24.357 UPnpMedia: BuildMediaMap VIDEO scan starting in :/share/
> Movies/dvd:
> 2008-12-22 08:40:24.386 UPnpMedia: BuildMediaMap Done. Found 0 objects
> 2008-12-22 08:41:30.133 AutoExpire: CalcParams(): Max required Free Space: 1.0 G
> B w/freq: 15 min
> 2008-12-22 08:56:31.833 AutoExpire: CalcParams(): Max required Free Space: 1.0 G
> B w/freq: 15 min
> 
> I looked at the wiki to see if I can change the auto expire rate but
> the docs do not match what I have.
> http://www.mythtv.org/wiki/index.php/User_Manual:Detailed_configuration_Frontend#Global_Auto_Expire_Settings
> 


I don't think it is AutoExpire that is keeping your disks awake, but 
rather the UPNP media scan.

Try passing mythbackend --noupnp if you aren't using upnp.  Once I did 
that my disks go to sleep and stay asleep.

Michael