[mythtv-users] Storage Group relocation - default/recordings not working

[plainface boy]

I've added a new 3TB drive to my Mythtv 0.28 Ubuntu 14.04 box.The new drive mounts at start up to /media/[myname]/Storage
I've created a folder within this called myth, and within that all the separate directories for my storage groups, to mimic what I've got on my main drive.
I've added the new folders to my storage groups in set up eg in videos I had;
/home/mythtv/videos
and added;
/media/[myname]/Storage/myth/videos
All fine so far, and I was able to delete the files from the /home/mythtv/videos folder, and remove this from the storage group, and videos play ok.
However the same procedure does not work for the default folder, where I keep all my recordings.
home/mythtv/recordings
Even though I've added /media/[myname]/Storage/myth/recordings to the storage group, whatever I do, as soon as I remove either a file or directory from the original  storage group, mythtv cannot find the file.Is there something different about the default folder?
I used the 'disk' app to mount the drive at start up, rather than editing fstab.....assume that is ok, as videos work fine?

I've looked at the wiki, and read lots of others' questions here etc, and I can't see what I'm doing wrong, but I'm guessing I must be going wrong somewhere!
Can anyone help?

Thanks.
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