Can't mount external XFS device/mountpoint in container

[tomp (Thomas Parrott)]

Looks like the same issue as

Need help: containers failed to start after snap refresh to 5.3

Hi my container failed to start after snap refresh. I recreate a new container, it works at first, I can finish apt update/upgrade, but after I add a path mapping the container won’t start. #mapping dirs while read line …

and

Database error: "sql: transaction has already been committed or rolled back"

I noticed that our containers were not purging their snapshots after their expiration. I thought maybe upgrading the snap to 5.3 “5.3-924be6a” might help, but now all of our containers are in ERROR state. lxc monitor --type=logging --pretty shows: WARNING[2022-06-27T22:27:30-07:00] Transaction timed out. Retrying once err="Failed to begin transaction: context deadline exceeded" member=1 DEBUG [2022-06-27T22:27:30-07:00] Database error err="sql: transa…