[mythtv-users] Managing storage groups intelligently

blind Pete 0123peter at gmail.com
Wed Sep 2 08:28:39 UTC 2020


On Tue, 1 Sep 2020 17:41:55 -0500
"R. Ramesh" <rramesh at verizon.net> wrote:

> > You have a few options.
> >
> > 1) different storage groups for the different disks
> >     - setup recording rules to use this SG
> >
> > 2) both disks in 1 SG and tune the disk selection algorithm
> >     - balanced free space, immediately comes to mind.
> >     - the backend will prefer to use the disk with the
> >       most free space.
> >     - this is a user selectable configuration item.
> >
> >
> > Regards
> > Stuart
> >  
> Thanks. It appears that putting SSD in "Default group" and moving all
> spinning HDDs to another storage group should do the trick.
> 
> Disk selection algorithms are all based on space usage and my SSD
> will fail next to large HD pool that I have as 12TB RAID. So, your
> first method is more suitable, I think. I will copy overnight between
> SSD and HD making sure that I leave more recent recordings in the SSD
> and still leave enough space to record.
> 
> Regards
> Ramesh

There is an example script to move files as each recording is finished
here; http://www.mythtv.org/wiki/MoveRecording.sh maybe you could add
an "ionice", but it probably does more than what you want.

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bP


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