I have never trusted NT in my life and stay miles away from it..:)
Have always been much more comfortable with good old Unix and good
new Solaris.....they provide a much more stable and trustworthy environment.
Samir Sarkar
Oracle DBA - Lennon Team
SchlumbergerSema
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-----Original Message-----
Sent: 16 November 2001 17:00
To: Multiple recipients of list ORACLE-L
This is the exact scenario we have implemented as our corporate standard -
RMAN with Veritas NetBackup. Tapes are automatically retrieved from our
tape silo by Veritas matching its stamp to RMAN's. It actually works pretty
well. The only problems I have seem to be on NT...
Jim
__________________________________________________
Jim Hawkins
Oracle Database Administrator
Data Management Center of Expertise
Pharmacia Corporation
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St. Louis, Missouri 63167
Work (314) 694-4417
Cellular (314) 724-9664
Pager (314) 294-9797
[EMAIL PROTECTED]
-----Original Message-----
Sent: Friday, November 16, 2001 10:40 AM
To: Multiple recipients of list ORACLE-L
Whoo... Samir, I may pick your brains in the future about this. One of our
clients may well be putting this is in place as their backup solution and I
haven't the foggiest about it.
Later
Lee
-----Original Message-----
Sent: 16 November 2001 15:45
To: Multiple recipients of list ORACLE-L
Tom,
We use the Veritas Netbackup along with RMAN which locates the tape
where the backup I want is present from the tape library.
The Veritas backup utility will show u which tape volume is being
accessed during the restore. It depends on the time stamp of the backup.
Samir Sarkar
Oracle DBA - Lennon Team
SchlumbergerSema
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-----Original Message-----
Sent: 16 November 2001 14:00
To: Multiple recipients of list ORACLE-L
Ruth,
Jared brings up an interesting question.
Do you back up the Rman Disk Backup files to tape, and how do you manage
(keep track of) what files are on what set of tapes?
For example, a daily Rman job would produce a set of backup files on disk.
I presume that another daily job would copy those files to a tape.
Lets say, a week later, you need to perform a restore. How do you know
which set of tapes to pull backups from, before you actually start the Rman
process?
Is there automated software to help you do this?
Just curious - I use Rman and go directly to tape via EDM. I think Rman to
disk may be faster and less prone to tape error at times, but the cost is
having to managed the tape library somehow.
Tom Mercadante
Oracle Certified Professional
-----Original Message-----
Sent: Friday, November 16, 2001 7:55 AM
To: Multiple recipients of list ORACLE-L
You have to restore the backups to their original location for rman to be
able to find them. You can then to a point-in-time recovery of restore the
datafiles you need.
We do all backups to disk and then put them on tape day.
If this didn't answer you question please let me know and I will try again,
Ruth
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Thursday, November 15, 2001 3:36 PM
>
> I'm looking for comments on disk to disk backups and their
> compatibility with backup cataloging software such as RMAN.
>
> The problem that I see with disk to disk is that although recovering
> from the very first backup is simplified and fast, it would seem that
> recovery from a previous backup is unnecessarily complex.
>
> For example: if backups are made directly to tape, RMAN ( and other
> products ) can identify the archive set with a label, and associate
> that label with a date and SCN for point in time recovery.
>
> When a back up is made to disk, that information is lost. At this
> point the files on disk are backed up to tape, and RMAN will
> have no knowledge of the tape labels needed to restore from
> this backup set.
>
> This leaves the DBA and SA with the onerous duty of finding the
> right set of tapes manually.
>
> Or does RMAN direct the backup of backup set on disk to tape?
>
> To cut to the chase, what it appears will happen with disk to disk
> backups is a loss of the ability to tell RMAN to do a PITR and
> locate the correct tape set and load them via the tape library
> without human intervention.
>
> If I just need to RTFM, I will do so gladly. There's just a lot of
> manual to wade through and specific references would be
> greatly appreciated.
>
> Thanks,
>
> Jared
>
>
> --
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