fix(backup): make read-only quiesce work on MySQL/older-MariaDB containers (+ --db-check)#2

andrewbakercloudscale merged 4 commits into

mainandrewbakercloudscale/pi2s3:mainfrom

fix/db-readonly-error-loggingandrewbakercloudscale/pi2s3:fix/db-readonly-error-loggingCopy head branch name to clipboard