Oracle RMAN 10g中如何提高copy datafile的并发
try something like this:
format后面修改为你复制的目标文件名
 run
 { allocate channel mac01  DEVICE TYPE DISK MAXOPENFILES=1 PARMS=’BLKSIZE=1048576′ ;
   allocate channel mac02  DEVICE TYPE DISK MAXOPENFILES=1 PARMS=’BLKSIZE=1048576′ ;
   allocate channel mac03  DEVICE TYPE DISK MAXOPENFILES=1 PARMS=’BLKSIZE=1048576′ ;
   allocate channel mac04  DEVICE TYPE DISK MAXOPENFILES=1 PARMS=’BLKSIZE=1048576′ ;
   backup as copy (datafile ‘+DATADG/MAC/DATAFILE/system. 258.819691771′    format ‘/s01/backup/system.dbf’ channel mac01) 
   (datafile ‘+DATADG/MAC/DATAFILE/sysaux. 257.819691725′    format ‘/s01/backup/sysaux.dbf’    channel mac02)
   (datafile ‘+DATADG/MAC/DATAFILE/ undotbs1.260.819691817′  format ‘/s01/backup/undotbs1.dbf’  channel mac03);
 }
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