RE: standby config --> FAL_SERVER / FAL_CLIENT
- From: <k.sriramkumar@xxxxxxxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 10 Feb 2004 14:43:41 +0530
Hi Prem,
My replies inline=20
Best Regards
Sriram Kumar
-----Original Message-----
From: Prem Khanna J [mailto:jprem@xxxxxxxxxxxx]=20
Sent: Tuesday, February 10, 2004 2:09 PM
To: oracle-l@xxxxxxxxxxxxx
Cc: K Sriram Kumar-RT
Subject: RE: standby config --> FAL_SERVER / FAL_CLIENT
Hi Sriram ,=20
Thanx for your timely reply .
>>I had faced the same situation sometime back. I fought it out=20
>>by digging to the Dataguard guide.Pls follow this
>>FAL_SERVER =3D3D <Primary_Server TNS Entry> in Standby Database
>>FAL_CLIENT =3D3D<Standby Server TNS Entry> in the primary database.
but the data guard docs say that both of these should be set on
standby database. that's what confused me. okay , let me try as u said.
>>I guess the "no data loss mode " isin't called that way any more
>>You have MAXIMIZE PROTECTION -- This Equates to no data loss mode.
>>MAXIMIZE AVAILABILITY MAXIMIZE PERFORMANCE
u r right sriram . that is what i meant . Maximum Protection mode .
>>For Setting the database in Maximize protection mode
>>Set this parameter in primary database.
>>log_archive_dest_2=3D3D'service=3D3D<standby> reopen=3D3D60 MANDATORY =
LGWR =3D
>>SYNC AFFIRM' Also,Set this parameter in the standby
>>standby_file_management=3D3Dauto -- This would enable automatic =
creation
>>of datafiles in the standby
i have set these parameters too.The docs say that DGS_BROKER_START=20
should be set on both primary and standby database . is it so ?=20
Docs sometimes seem to be unreliable : (=20
Sri:I have managed to run without the DG broker framework. I did'nt set =
any of the DGS parameters
>>Would be glad to help you out
happy that u are there to help out : )=20
and regarding online redo logs of the primary database :=20
if the server ( where the primary database resides ) goes down and all
the HDD
are lost ( bad luck ) ... there would be some data loss . am i right ?=20
what can be done to avoid this ? can the online redo logs be placed on=20
an external storage ( ... like NAS ) ? OR am i OFF the track regarding
online redo logs ?
Sri:Well the moment you say its maximize protection(Zero data loss), The =
LGWR takes charge of ensuring that the Logfiles and the remote standby =
redolog files are in sync. The transaction would be signaled a commit =
iff the transaction is applied to log file and the standby redolog file. =
So don't worry abt placing your log files in a Shared storage you wont =
need them for this protection mode
Thanks and Regards,
Prem.
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