Manually start the database archive

-View the instance process to see if there is an archived process [[email protected] ~]$ ps -ef | grep prod4sql>  archive log list;database log mode       no  archive modeautomatic archival       disabledarchive  Destination      /u01/app/oracle/product/11.2.0/db_1/dbs/archoldest online  log sequence     6Current log sequence        8sql> show parameter log_archive--in Mount state-close database Sql> shutdown  immediate        ---must be immediate  one to close the database sql>  startup mountsql> alter system set log_archive_dest_1= ' Location=/home/oracle/arch ' ;  ---Directory to create sql> alter database archivelog;database altered in advance. Sql> alter database open;database&nBsp;altered. sql> archive log list;database log mode        archive modeautomatic archival       enabledarchive  destination       /home/oracle/archoldest online log  sequence     6next log sequence to archive    8current log sequence       8--Generate archive (need to cut redo log) QL> select  group#,member from v$logfile;    group#---------- MEMBER----------------------------------------------------------------------------- 3/u01/app/oracle/ oradata/prod4/prod4/redo03.log 2/u01/app/oracle/oradata/prod4/prod4/redo02.log 1/u01/app/oracle/ oradata/prod4/prod4/redo01.logsql> select group#,status from v$log;     group# status---------- ---------------- 1 inactive 2 current 3 inactive --Cut Redosql> alter system  switch logfile; System altered. Sql> select group#,status from v$log;   group# status----------  ---------------- 1 inactive 2 inactive 3 current--of three states   current &NBSP: Current             active    : Status in the archive,             inactive: Archive complete, unused state  -- View archived files generated under the archive directory [[email protected] ~]$ ls /home/oracle/arch/1_8_861102502.dbf[[email  protected] ~]$ ps -ef | grep prod4oracle    8551      1  0 10:29 ?        00:00:00  ora_arc0_prod4oracle    8554     1 &nBsp;0 10:29 ?        00:00:00 ora_arc1_prod4oracle     8556     1  0 10:29 ?         00:00:00 ora_arc2_PROD4oracle    8558      1  0 10:29 ?        00:00:00 ora_ Arc3_prod4

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Manually start the database archive