手动生成AWR报告

有时候数据库中为安装EM，无法图形化生成AWR报告，此时需要手工生成AWR报告，ORACLE提供了以个sql,可以手工生成AWR报告，首先创建生成报告的目录，这里为/home/oracle/AWR

$ mkdir AWR
$ cd AWR
$ pwd
/home/oracle/AWR

进入sqlplus

[oracle@ocp ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.1.0 Production on Wed Dec 30 02:41:04 2015

Copyright (c) 1982, 2009, Oracle.  All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

执行脚本，？代表$ORACLE_HOME,@表示执行sql,默认提供两种报表格式，html和txt,默认为html格式

@?/rdbms/admin/awrrpt.sql
Current Instance
~~~~~~~~~~~~~~~~

DB Id    DB Name      Inst Num Instance
----------- ------------ -------- ------------
1425858850 ORCL                1 orcl

Specify the Report Type
~~~~~~~~~~~~~~~~~~~~~~~
Would you like an HTML report, or a plain text report?
Enter 'html' for an HTML report, or 'text' for plain text
Defaults to 'html'
Enter value for report_type: html

选择从系统中抽取的报告的时间段，一般设7天就可以了，ORACLE会把七天内的报告都显示在屏幕上

Enter value for num_days: 7

Listing the last 7 days of Completed Snapshots

输入开始的snap id和结束的snap id,表示截取报告的时间段

Instance     DB Name        Snap Id    Snap Started    Level
------------ ------------ --------- ------------------ -----
orcl         ORCL                81 29 Dec 2015 13:33      1
82 29 Dec 2015 15:00      1

83 29 Dec 2015 16:00      1
84 29 Dec 2015 17:00      1
85 29 Dec 2015 18:00      1
86 29 Dec 2015 19:00      1
87 29 Dec 2015 20:00      1
88 29 Dec 2015 21:00      1
89 29 Dec 2015 22:00      1
90 29 Dec 2015 23:00      1
91 30 Dec 2015 00:00      1
92 30 Dec 2015 01:00      1
93 30 Dec 2015 02:00      1

Specify the Begin and End Snapshot Ids
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Enter value for begin_snap: 83
Begin Snapshot Id specified: 83

Enter value for end_snap: 93
End   Snapshot Id specified: 93

指定报告名称，如果不指定，直接回车，系统会按照屏幕提示名称生成报告名

Report written to awrrpt_1_83_93.html

下载到本地后查看就可以了