[mythtv-users] Manage recording storage group with btrfs subvolume

Richard Shaw hobbes1069 at gmail.com
Sun Jan 10 02:27:32 UTC 2021


I'm looking at moving to a 4 drive raid1 array (and perhaps converting to
raid5 later) btrfs array. Most of the space will be used for media but I
want to keep 1TB for recordings.

The problem is that btrfs will share free space among subvolumes by default
and I don't know if there is  a quota method that will limit free space
reporting so that the backend will expire recordings properly like on a
dedicated filesystem.

Anyone else run into this and have a solution?

Thanks,
Richard
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