Summary
Since version 4.1.20 I'm unable to create Mariadb Backups.
Within my config I have setup multiple databases to backup and only the MariaDB is not working.
Steps to reproduce
Running backup02-now
What is the expected correct behavior?
Creating backups of all MariaDB databases
Relevant logs and/or screenshots
2025-11-03.15:12:24 [INFO] ** [db-backup02] Starting Manual Backup for db-backup02
2025-11-03.15:12:26 [NOTICE] ** [02-mariadb.eth0__ALL] Dumping MySQL/MariaDB database: 'AVDTEST' and compressing with 'gzip'
mariadb-dump: Couldn't execute 'show events': Cannot proceed, because event scheduler is disabled (1577)
2025-11-03.15:12:26 [ERROR] ** [02-mariadb.eth0__ALL] DB Backup of 'mariadb_AVDTEST_mariadb.eth0_20251103-151226.sql.gz' reported errors
2025-11-03.15:12:26 [ERROR] ** [02-mariadb.eth0__ALL] Skipping Checksum creation because backup did not complete successfully
2025-11-03.15:12:26 [ERROR] ** [02-mariadb.eth0__ALL] Skipping moving DB Backup to final location because backup did not complete successfully
2025-11-03.15:12:26 [ERROR] ** [02-mariadb.eth0__ALL] Moving of backup 'mariadb_AVDTEST_mariadb.eth0_20251103-151226.sql.gz' reported errors
2025-11-03.15:12:26 [NOTICE] ** [02-mariadb.eth0__ALL] DB Backup for 'AVDTEST' time taken: Hours: 0 Minutes: 00 Seconds: 00
2025-11-03.15:12:27 [ERROR] ** [02-mariadb.eth0__ALL] Skipping Cleaning up old backups because there were errors in backing up
Environment
- Image version / tag: 4.1.20 & 4.1.21
- Host OS: UnRaid 7.1.4
docker run
-d
--name='db-backup'
--net='eth0'
--ip='x.x.x.x'
--pids-limit 2048
-e TZ="Europe/Berlin"
-e HOST_OS="Unraid"
-e HOST_HOSTNAME="UnRaid"
-e HOST_CONTAINERNAME="db-backup"
-e 'MAIL_FROM'='[email protected]'
-e 'MAIL_TO'='[email protected]'
-e 'SMTP_HOST'='x.x.x.x'
-e 'MAIL_PORT'='587'
-e 'DB01_TYPE'='influx'
-e 'DB01_HOST'='http://x.x.x.x'
-e 'DB01_PORT'='8086'
-e 'DB01_USER'='DB01_USER'
-e 'DB01_PASS'='DB02_PASS'
-e 'DB01_NAME'='ALL'
-e 'DB01_COMPRESSION'='GZ'
-e 'DB01_BACKUP_INTERVAL'='1440'
-e 'DB01_BACKUP_BEGIN'='2350'
-e 'DB01_CLEANUP_TIME'='2880'
-e 'DB01_FILESYSTEM_PATH'='/backup/influxdb'
-e 'DB01_INFLUX_VERSION'='2'
-e 'DB02_TYPE'='mysql'
-e 'DB02_HOST'='x.x.x.x'
-e 'DB02_PORT'='3306'
-e 'DB02_USER'='DB02_USER'
-e 'DB02_PASS'='DB02_PASS'
-e 'DB02_NAME'='ALL'
-e 'DB02_SPLIT_DB'='TRUE'
-e 'DB02_COMPRESSION'='GZ'
-e 'DB02_BACKUP_INTERVAL'='1440'
-e 'DB02_BACKUP_BEGIN'='2355'
-e 'DB02_CLEANUP_TIME'='2880'
-e 'DB02_FILESYSTEM_PATH'='/backup/mariadb'
-e 'DB03_TYPE'='mongo'
-e 'DB03_HOST'='x.x.x.x'
-e 'DB03_PORT'='27017'
-e 'DB03_USER'='DB03_USER'
-e 'DB03_PASS'='DB03_PASS'
-e 'DB03_NAME'='DB03_NAME'
-e 'DB03_COMPRESSION'='GZ'
-e 'DB03_BACKUP_INTERVAL'='1440'
-e 'DB03_BACKUP_BEGIN'='0000'
-e 'DB03_CLEANUP_TIME'='2880'
-e 'DB03_FILESYSTEM_PATH'='/backup/mongodb'
-e 'DEBUG_MODE'='FALSE'
-e 'CONTAINER_ENABLE_MONITORING'='FALSE'
-l net.unraid.docker.managed=dockerman
-l net.unraid.docker.icon='https://raw.githubusercontent.com/A75G/docker-templates/master/templates/icons/db-backup.png'
-v '/mnt/cache_pool/backups/database/':'/backup':'rw'
--hostname=db-backup 'tiredofit/db-backup:latest
Possible fixes
