+}
+
+check_disk_for_mysql_dump()
+{
+ # Where to backup current database if mysql need to be upgraded
+ MYSQL_BACKUP_DIR=/var/tmp/mysql_upgrade_osp
+ MYSQL_TEMP_UPGRADE_BACKUP_DIR=/var/lib/mysql-temp-upgrade-backup
+ # Spare disk ratio for extra safety
+ MYSQL_BACKUP_SIZE_RATIO=1.2
+
+ mysql_need_update