June 2013
Beginner
404 pages
9h 40m
English
Content preview from Oracle Data Guard 11gR2 Administration : Beginner's GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Time for action – using the ASH report from the standby database
From 11gR2 onwards, the Active Session History report can be created to monitor the performance of a standby database from the standby system. To use this feature, ensure that the database is up-and-running in the Read-Only mode and the session history has retained the memory. Then, you can perform the following steps:
- Generate an ASH report using the
ashrpt.sqlscript. Before using this report you must know what parameters we have to pass while the report is running, for example, duration between two dates and times. Use theashrpt.sqlscript as follows:SQL> @?/rdbms/admin/ashrpt.sql Current Instance ~~~~~~~~~~~~~~~~ DB Id DB Name Inst Num Instance ----------- ------------ -------- ...
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