[mythtv-users] Spin down drives

[mythtv at blandford.net]

On 05/10/2011 09:00 AM, Fa wrote:
> I been tinkering around.  Setting the spindown to 30 mins via "hdparm -S
> 241/dev/sda".  However, i am finding hard to track down the things which
> are writing to the drives.  Sure I can use lsof or fuser to find them,
> but that's just a hassle.  Oh, I also tried to add noatime to my fstab.
>
> LABEL=mythtv2           /export/data2           xfs
> defaults,noatime,allocsize=512m 0 0
>
> For some reason, I can only get 1 drive out of my 9 drives to spin down.
>   I am still chasing after processes that seems to access them at
> regular intervals.  I am trying to aggressively save electricity and
> this server is the biggest draw.


I have a six drive raid 6 that is used exclusively for mythtv.

Mythtv's UPNP will periodically read the files on disk to update the 
exported list which keeps the disks awake.

Since I don't use UPNP, I just disabled UPNP for mythtv and my drives 
happily go to sleep.

Michael