The ACTIVATION# and ARCHIVAL_THREAD# columns are apparently used by Data
Guard "fetch archive log" (FAL) processes to manage any logfile transfer
gaps using the FAL_CLIENT and FAL_SERVER parameters on the primary and
standby databases.  Metalink note #150214.1 ("Synchronization of primary and
standby database due to log transfer gap") mentions the values in these
columns, though not the column names themselves.

----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Sunday, March 02, 2003 9:48 AM


> Murali,
>
> I can offer some insight into the activation# column because I was
> interested in that too earlier. When a database starts, a new "database
> instantiation id" is given to that instance, presumably for the RMAN
> backups. This id can be seen from v$database under column activation#. So
> when you create another incarnation of the database using RMAN cloning,
the
> archived logs are either used or not depending on the value of this
> activation# associated with them.
>
> Hope someone else can shed some light into the other columns -
particularly
> archival_thread# and why it's different from the thread#.
>
> Arup Nanda
>
> ----- Original Message -----
> To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
> Sent: Sunday, March 02, 2003 9:58 AM
>
>
> > Oracle 9i has quite a few new columns added to the V$ARCHIVED_LOG
> dictionary
> > view,however there is no documentation.
> >
> > For example, END_OF_REDO, ARCHIVAL_THREAD#,ACTIVATION#
> >
> > Any clues on what these columns mean.
> >
> > Thanks
> >
> > Murali
> >
> >    DEST_ID    THREAD#  SEQUENCE# END BACKUP_COUNT ARCHIVAL_THREAD#
> > ACTIVATION#
> > ---------- ---------- ---------- --- ------------ ----------------
> > -----------
> >          1          2         48 NO             1                2
> > 3612293975
> >          1          1        116 NO             1                1
> > 3612293975
> >          1          2         49 NO             1                2
> > 3612293975
> >          1          1        117 NO             0                1
> > 3612293975
> >          1          2         50 NO             0                2
> > 3612293975
> >          1          1        118 NO             0                2
> > 3612293975
> >          1          2         51 NO             0                2
> > 3612293975
> >          1          1        119 NO             0                2
> > 3612293975
> >          1          2         52 NO             0                2
> > 3612293975
> >
> >
> >
> >
> > Murali Vallath
> >
> >
> >
> >
> >
> >
> > _________________________________________________________________
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> > Author: Murali Vallath
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> Author: Arup Nanda
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