Reporting error (as requrested by app)

Using Web interface, clicked on a show, and then More airings. A list of airings shows up. I clicked on the gear, and then Record. The body of the page changes into a Pink error box:

I refreshed, CTRL/F5 refreshed with same result. Tried multiple different showings, same result. Returned to Next Up page, reselected the show, and next airings... same result.

Update, I think the volume for Channels has gone read-only, due to these messages in the container log and the fact that the server log (from the UI) stops yesterday:

./run.sh: line 9: can't create channels-dvr.log: Read-only file system
Running Channels DVR..
./run.sh: line 9: can't create channels-dvr.log: Read-only file system
Running Channels DVR..
./run.sh: line 9: can't create channels-dvr.log: Read-only file system
Running Channels DVR..
Running Channels DVR..

This can be closed obviously, though the request to better signal access issues with the media drive is still appropriate.

And I need to figure out how I'm going to improve reliability of this volume. I'm using iSCSI because the performance of NFS on my NAS sucked.