差异增量备份与累积增量备份

#差异增量备份的示例
n 级备份，备份自最近n 级或更低级别备份以来更改过的所
有块。

 

 

RMAN> run{
2> allocate channel d1 type disk;
3> backup as compressed backupset incremental level 0 database format '/oracle/rmanbak/l0_%U';
4> }

 

#累积增量备份的示例
n 级备份，它包含自上次n-1 级或更低级别备份以来更改过
的所有块

RMAN> run{
2> allocate channel d1 type disk;
3> backup as compressed backupset incremental level 2  cumulative database format '/oracle/rmanbak/l0_%U';
4> }