查看进程
ps -ef |grep pmon

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# su - oracle

[YOU HAVE NEW MAIL]
$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.4.0 - Production on Mon Feb 9 16:30:23 2015

Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options

SQL> select name,total_mb,free_mb from v$asm_diskgroup;

NAME                             TOTAL_MB    FREE_MB
------------------------------ ---------- ----------
ARCH                              3334794    3254850
DATA                              4077376     553269

SQL> quit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
$ rman target /

Recovery Manager: Release 10.2.0.4.0 - Production on Mon Feb 9 16:33:38 2015

Copyright (c) 1982, 2007, Oracle.  All rights reserved.

connected to target database: ZLJG (DBID=4286942513)

RMAN> exit

删除归档命令：delete archivelog all completed before ‘sysdate-1’；(手工输入命令)

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