丢失非当前的联机重做日志文件的恢复

alter system switch logfile;
alter system checkpoint;
select group#,sequence#,members,archived,status from v$log;
mv redo03.log redo03.log.bak
mv redo04.log redo04.log.bak
mv redo05.log redo05.log.bak
mv redo06.log redo06.log.bak
shutdown abort;
startup
startup mount;
select group#,sequence#,members,archived,status from v$log;
alter database clear logfile group 3;
alter database clear logfile group 4;
alter database clear logfile group 5;
alter database clear logfile group 6;
alter database open;
select group#,sequence#,members,archived,status from v$log;