DM7数据库备份与还原.docx

DM7数据库备份与还原数据库备份新建备份使用”DM管理工具”登陆到DM管理界面，打开”备份””库备份”，右击鼠标选择”新建备份”实行备份备份中备份完成数据库还原删除旧数据使用”DM管理工具”登陆到DM管理界面，打开”SYSDBA””表”，选中所有表（除##HISTOGRAMS_TABLE、##PLAN_TABLE以外），在选中区域右击鼠标，选择”删除”。数据库关闭[root@localhost bin]# cd /etc/rc.d/init.d/[root@localhost init.d]# ./DmServiceDMSERVER stopStopping DmServiceDMSERVER: [ OK ]数据库还原[root@localhost init.d]# cd /opt/dmdbms/bin[root@localhost bin]# ./dmrestore INI_PATH=/opt/dmdbms/data/DAMENG/dm.ini file=/root/721/sjk-2014-11-11.bakrestore V7.1.3.142-Build(2014.09.10-48344trunc)file dm.key not found, use default license!Global parameter value of RS_BDTA_BUF_SIZE is illegal, use max value!backup DAMENG_BAK_2014_11_11_10_17_33 infobackup sig: BAbackup tool version: 12595backup db name: DAMENGbackup db magic: 1414999730backup name: DAMENG_BAK_2014_11_11_10_17_33backup type: fullbackup level: onlinebackup range: databasebackup description: compressed level: 0encrypt_type: 0encrypt_id: 2052rac node: 0page check: 0rlog encrypt: 0length in char: 0use new hash: 1backup time: 2014-11-11 10:18:11page size: 32 KBextent size: 32case sensitive: 1log page size: 512 Bunicode flag: 0data version: 0x70009sys version: V7.1.3.146-Build(2014.09.16-48620trunc)enable policy: 0mpp_timestamp: 1415672290parallel type: 0parallel info len: 0backup db fil num: 5archive flag: 1backup with log: Yesbefore backup LSN: 1962258after backup LSN: 1962258bak_file_list$file_seq |$file_path |$size(KB) 1 |/root/721/sjk-2014-11-11.bak |1425408 db_file_list$file_seq |$file_path |$mirror_path 1 |D:\721\dmdbms\data\DAMENG\SYSTEM.DBF| 2 |D:\721\