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 – checking the redo transport service status
The following steps can be performed to check the redo transport service status:
- The first query to be executed to be sure that the redo transport service is working properly will be the
V$DATAGUARD_STATSview.SQL> SELECT NAME, VALUE, TIME_COMPUTED FROM V$DATAGUARD_STATS WHERE NAME='TRANSPORT LAG'; NAME VALUE TIME_COMPUTED ---------------------- -------------------- ---------------------- transport lag +00 00:00:00 08/27/2012 18:06:30
The
TIME_COMPUTEDvalue has to be up-to-date. We can see that there is no redo transport lag in our logical standby configuration. We'll see a time value if there is a problem with the redo transport. Also, if there is an excessive redo generation on the ...
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