RE: archive log curr v. switch logfile

Gene's afraid of R-Man!
Gene's afraid of R-Man!

Gene you will not believe how simple RMAN is once you start using it...

Lisa Koivu
Oracle Database TANK
Fairfield Resorts, Inc.
954-935-4117

> -----Original Message-----
> From: Gene Sais [SMTP:Gsais_at_co.palm-beach.fl.us]
> Sent: Tuesday, April 02, 2002 10:28 AM
> To: Multiple recipients of list ORACLE-L
> Subject: RE: archive log curr v. switch logfile
>
> I use Alter system archive log current. If your archiver process is
> caught up, you will get this error message when issuing Alter system
> archive log all:
>
> SQL> alter system archive log all;
> alter system archive log all
> *
> ERROR at line 1:
> ORA-00271: there are no logs that need archiving
>
> Just don't like error messages in the logs :). Lisa's method seems the
> safest, but never had an archiver not keeping up and if I did, that would
> be an issue to be resolved quickly.
>
> Here's my hot backup model with help from list members and
> Velpuri/Adkoli's Backup/Recovery Book:
> # 1) Alter system archive log current ;
> # 2) Check backup status.
> # 3) Generate datafile listing.
> # 4) Alter tablespace <tablespace_name> begin backup ;
> # 5) Some other process,script,legato,etc. will copy database files
> # to disk or to tape.
> # 6) Alter tablespace <tablespace_name> end backup ;
> # 7) Backup controlfile.
> # 8) Alter system archive log current ;
> #
> Archives are backed up separately 2 x day to tape.
>
> Gene
>
> PS. Confident w/ hot backups, next to conquer RMAN cautiously.
>
> >>> lisa.koivu_at_efairfield.com 03/29/02 12:13PM >>>
> Actually I use alter system archive log all. I saw that if the database
> was
> behind with archiving, this would ensure that all logs were written to the
> arc destination. archive log current only did the most recent.
>
> Am I wrong? Please correct me if I am .
>
> Lisa Koivu
> Oracle Database Baby Oven
> Fairfield Resorts, Inc.
> 954-935-4117
>
>
> > -----Original Message-----
> > From: Post, Ethan [SMTP:Ethan.Post_at_ps.net]
> > Sent: Friday, March 29, 2002 11:48 AM
> > To: Multiple recipients of list ORACLE-L
> > Subject: RE: archive log curr v. switch logfile
> >
> > I believe alter system archive log current will wait until archiver has
> > successfully archived the file, thus this is the one you would want to
> use
> > in any backup scripts.
> >
> > - Ethan
> >
> > -----Original Message-----
> > Sent: Friday, March 29, 2002 10:24 AM
> > To: Multiple recipients of list ORACLE-L
> >
> >
> >
> >
> > Can anyone tell me the difference between
> > alter system archive log current
> > and
> > alter system switch logfile
> >
> > (Seems they both perform checkpoint and both switch a log file).
> > Is one preferred over the other for purposes of switching log files
> prior
> > to
> > applying to a standby database?
> >
> > Thanks for any insights.
> >
> > Barb
> >
> > --
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> > --
> > Author: Baker, Barbara
> > INET: bbaker_at_denvernewspaperagency.com
> >
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> > Author: Post, Ethan
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> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Koivu, Lisa
> INET: lisa.koivu_at_efairfield.com
>
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> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Gene Sais
> INET: Gsais_at_co.palm-beach.fl.us
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Koivu, Lisa
  INET: lisa.koivu_at_efairfield.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
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