RE: arch slow and standby.

  • From: "Taft, David" <TaftD@xxxxxxxxxxx>
  • To: "'agodambe@xxxxxxxxxx'" <agodambe@xxxxxxxxxx>, oracle-l@xxxxxxxxxxxxx
  • Date: Tue, 10 Apr 2007 11:51:44 -0400

Ankur,
 
The following Metalink note may be of interest to you:
 
Refining Remote Archival Over a Slow Network with the ARCH Process 
  Doc ID:  Note:260040.1 
 
Cheers,
 
David Taft

-----Original Message-----
From: Ankur Godambe [mailto:agodambe@xxxxxxxxxx] 
Sent: Friday, April 06, 2007 4:21 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: arch slow and standby.



Hi,

In a 9i managed standby database with primary and secondary in maximum
performance mode if arch is not able to archive to remote destination due to
n/w issues etc, it will retry archiving to remote destination depending upon
REOPEN and MAX_FAILURES parameter. But what if the n/w is slow (not dead and
arch is actively archiving redo log) and by the time it's archiving to the
remote destination all the log groups on primary are filled and lgwr comes
back to the group being archived currently for reuse. Will the database
hang? Or it will stop archiving to remote with error message somewhere in
dictionary?  I tried simulating but since I have the test databases on lan
couldn't simulate.

I think it will wait till it's archived to the remote. Anyone who has faced
similar situation or knows what might happen?

 

Thanks,

Ankur

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