Tom
Thanks for the confirmation. This issue has been like an onion for me,
peeling back the layers. We had a consultant create some RMAN scripts for us
awhile back to jumpstart our RMAN progress. It turns out he was very good
and inserted the ARCHIVE LOG CURRENT in his script. That was what I was
seeing. So you are correct that RMAN doesn't do that automatically (why
not???), but as you point out, you can and should include it in your script,
although I can't recall that recommendation anywhere before now. It is
frequently recommended for hot backups.
�
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
-----Original Message-----
Sent: Tuesday, September 24, 2002 12:59 PM
To: Multiple recipients of list ORACLE-L
Dennis,
I don't think that Rman automatically performs a SYSTEM ARCHIVE. At least.
I've not seen it.
In my archive Rman database backups, I issue an 'alter system archive log
current' before I backup the archive files to make sure that I have the
latest archive I can possible get.
Unless I'm convinced that Rman is doing this for me, I have no reason to
change my procedures.
You could certainly include this command both within an Rman script or
elsewhere to make sure that you get the same benefit.
Hope this helps.
Tom Mercadante
Oracle Certified Professional
-----Original Message-----
Sent: Tuesday, September 24, 2002 1:18 PM
To: Multiple recipients of list ORACLE-L
Ruth - At this point we just RMAN to disk. Someone on this list provided
that advice as "start simple". I was using RMAN to store the archive logs,
but that just used up twice the disk space and I could discern no benefit so
I stopped it (always open to new reasons). On recovery, RMAN uses the
original archive logs just fine. I just want to make sure we have the right
archive logs on tape, and this morning I posted an update to my original
question, namely that I found where RMAN automatically issues an ALTER
SYSTEM ARCHIVE LOG CURRENT. I'm a little confused about the timestamp on the
archive logs, but I guess I just have to take it on faith that Oracle and
RMAN are doing the right thing.
Thanks Ruth.
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
-----Original Message-----
Sent: Tuesday, September 24, 2002 11:13 AM
To: Multiple recipients of list ORACLE-L
Rather than copy the archive logs to tape, do an archivelog backup using
rman. Archive the current log when you start. Then you can put all the
backupsets, database and archivelog, on one tape and rman will know just
what he needs to recover a database.
Ruth
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Monday, September 23, 2002 5:43 PM
List - I am wrapping up my RMAN procedures so I can turn off conventional
backups and still sleep at night. I am on Oracle 8.1.6. Does anyone know the
answer to this question: If I do an RMAN backup to disk, then copy the RMAN
backup pieces to tape, and copy the archive logs to tape, do I need to
execute an ALTER SYSTEM ARCHIVE LOG ALL before I copy the archive logs to
tape? This has been necessary for hot backups, but I can't recall this being
mentioned specifically for RMAN. I want to be able to recover the database
from the contents of the backup tape alone, and I noticed during my disaster
recovery tests that you definitely needed to have required archive logs
available.
Dennis Williams
DBA
Lifetouch, Inc.
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
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