rman 增量备份

lag DG查看当前数据文件头最小的scn号：select min(to_char(CHECKPOINT_CHANGE#)) from v$datafile_header ff;增备脚本：rman target / << EOFrun{allocate channel c1 type disk;allocate channel c2 type disk;allocate channel c3 type disk;allocate channel c4 type disk;allocate channel c5 type disk;allocate channel c6 type disk;allocate channel c7 type disk;allocate channel c8 type disk;allocate channel c9 type disk;allocate channel c10 type disk;allocate channel c11 type disk;allocate channel c12 type disk;allocate channel c13 type disk;allocate channel c14 type disk;allocate channel c15 type disk;allocate channel c16 type disk;BACKUP as compressed backupset INCREMENTAL FROM SCN 15844047884184 DATABASE FORMAT '/paic/tmp/nasshare/gmpor/hdq404/incr/standby__%d_%s_%p_%t' tag 'FORSTANDBY' ;backup current controlfile for standby format '/paic/tmp/nasshare/gmpor/hdq404/incr/stdctl.ctl'; release channel c1;release channel c2;release channel c3;release channel c4;release channel c5;release channel c6;release channel c7;release channel c8;release channel c9;release channel c10;release channel c11;release channel c12;release channel c13;release channel c14;release channel c15;release channel c16;}EOF