oracle的suspend模式可以阻止对数据文件和控制文件的I/O，这样可以在没有I/O干扰的情况下备份数据库。
SQL> alter system suspend;
System altered.
SQL> select database_status from v$instance;
DATABASE_STATUS
-----------------
SUSPENDED
SQL> alter system resume;
System altered.
SQL> select database_status from v$instance;
DATABASE_STATUS
-----------------
ACTIVE
SQL> alter system suspend;
System altered.
SQL> select database_status from v$instance;
DATABASE_STATUS
-----------------
SUSPENDED
SQL> alter system resume;
System altered.
SQL> select database_status from v$instance;
DATABASE_STATUS
-----------------
ACTIVE
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/11946422/viewspace-667927/ ，如需转载，请注明出处，否则将追究法律责任。
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