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Home -> Community -> Mailing Lists -> Oracle-L -> RE: ARCHIVELOG start
Winnie,
I guess I missed the context somewhere and had an RMAN-like reaction...
RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: ===========================================================RMAN-00558: error encountered while parsing input
:-)
We really do need a frequently asked questions and frequently given answers message board.
Steve Orr
-----Original Message-----
From: root_at_fatcity.com [mailto:root_at_fatcity.com]On Behalf Of
Winnie_Liu_at_infonet.com
Sent: Wednesday, June 14, 2000 5:06 PM
To: Multiple recipients of list ORACLE-L
Subject: RE: ARCHIVELOG start
Steve,
I think that when I am saying it, I am telling Jared that, either 1,2 or 2,3 will work, not 1 and 2 and 3.
But anyway... I hope all people will understand this by now that by changing that parameter in init.ora file will not put it in archivelog mode.
And I guess we have been getting this question about once every two weeks? Can we put it in a FAQ? hehe :P
Winnie
"Steve Orr" <sorr_at_arzoo.com> on 06/13/2000 08:04:21 PM
Please respond to ORACLE-L_at_fatcity.com
To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com> cc: (bcc: Winnie Liu/HQ/ISC)
Winnie said...
> You only have to do either 1. or 3. to make the database into
> archivelog mode.
(legend:
1= set init.ora parm as log_archive_start = true 2= alter database archivelog 3= alter system archive log start
Actually, neither 1 nor 3 put the database into archivelog mode. You just
have to do 2 to put the database into archivelog mode. Database archivelog
mode and automatic archiving are two different things. You can manually
archive (does anybody ever really?) or start automatic archiving with
either
1 or 3. But since you have to shut down the database to do 2 (shutdown=>
alter database mount=> alter database archivelog=> alter database open)
then
you can just use the init.ora method. But I usually do 2 to set the
database
archive mode, then do 3 to immediately start automatic archiving, then I
also do 1 so I don't have to wonder whether the database is archiving
automatically after each startup.
Steve Orr
The Wilderness of Silicon Valley
-----Original Message-----
Deepak
Sent: Tuesday, June 13, 2000 7:05 PM
To: Multiple recipients of list ORACLE-L
if database is in no archive log mode and you have automatic archival enabled(init para) .. oracle simply ignores it .. atleast for 8i
deepAk
-----Original Message-----
Sent: Tuesday, June 13, 2000 6:16 PM
To: Multiple recipients of list ORACLE-L
Let's backup a minute... To start automatic archiving you need to either:
1)
change the init.ora parm and restart the database; or 2) issue "archive log
start" from svrmgrl. You can have archiving started but not have the
database in archivelog mode. See the below listing:
Database log mode No Archive Mode Automatic archival Enabled Archive destination /u01/oracle/product/8.1.6/dbs/arch Oldest online log sequence 2140 Current log sequence 2142
But to implement archiving you need to shutdown the database, startup
mount,
alter database archivelog, archive log start, alter database open, then do
an "archive log list" to make sure both the database is in log mode AND
automatic archiving is enabled.
I once left automatic archiving enabled on a database that wasn't in archivelog mode. Eventually when it wrapped around and started having "recursive SQL errors" until it crashed. At least that's the way it was in Oracle 7.3. Right?
Steve Orr
Silicon Valley
-----Original Message-----
Winnie_Liu_at_infonet.com
Sent: Tuesday, June 13, 2000 5:14 PM
To: Multiple recipients of list ORACLE-L
Jared,
The backup and recovery book is right. You only have to do either 1. or 3. to make the database into archivelog mode.
If you don't have that init.ora parameter set (log_archive_start) during startup, the archiver process is not started. Then even though you put the database in archivelog mode, there is no process to do the archive. That is why you will need to last one (alter system archive log start).
Winnie
Jared Still <jkstill_at_bcbso.com> on 06/13/2000 02:58:32 PM
Please respond to ORACLE-L_at_fatcity.com
To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com> cc: (bcc: Winnie Liu/HQ/ISC)
Confusing at first isn't it?
'Oracle Backup and Recovery Handbook' states that either of 1 or 3 is necessary.
I must confess that I do all 3 when putting a database in archive mode.
Jared
On Tue, 13 Jun 2000 Lisa_Koivu_at_gelco.com wrote:
> Good morning -
>
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