xtrabackup:Error:Pleasesetparameter'datadir',innoback_MySQL:bitsCN.com xtrabackup: Error: Please set parameter 'datadir',innobackupex: fatal error: no 'mysqld' group in解决 -- 报错:[root@5.5.25a]# innobackupex --rsync --user=backupusertmp --password=backupusertmp /mysqldata/shared/tmpbac