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Re: Backups

From: Ruth Gramolini <rgramolini_at_tax.state.vt.us>
Date: Thu, 03 Oct 2002 09:53:36 -0800
Message-ID: <F001.004DF9AB.20021003095336@fatcity.com>


I forgot about alter tablespace begin backup; etc. I am spoiled, I use rman to do online backups. No problem with recovery! Ruth
----- Original Message -----

To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Thursday, October 03, 2002 12:18 PM

This doesn't sound right. Put the database in hot backup mode, backup (whether using cp to a staging point like the poster here is doing or straight to tape using dd or dump or some other utility), come out of hot backup mode. Why wouldn't you be able to recover?

John P Weatherman
Database Administrator
Replacements Ltd.

-----Original Message-----

Sent: Thursday, October 03, 2002 10:18 AM To: Multiple recipients of list ORACLE-L

If you want to be able to use any OS backup for restore/recovery that database must be closed when you do the backup. If it is not, you won't be able to recover.

Just a thot,
Ruth

Robyn,
 We used the DD method on pre 7.1 oracle with RAW devices. It worked fine except that it used a lot of tape dumping a raw device when only a small portion was used. Using a dd command to place a copy of the data on tape should not be a problem if a restoral is needed. The dd function is just another OS method of copying data to a tape. I don't know for sure but I think there might be some issues about transportability of the dd tape.
Other users will know about the transportability issues. Ron
 ROR mm

>>> Robyn_at_iTeamTech.com 10/02/02 08:08PM >>> Hello,

I need some info about backups. I am working on a customer site, and have implemented both exports and hot backups. Both jobs copy to a separate mount point, and a job scripted by another individual then moves the files to tape.

Here's the problem - he's using a dd command, primarily because it provides a succinct output he can email to non-technicals. The file system is built on a 12 disk A1000 array. We've provided him with a ufsdump script, but he's doesn't want to use it. Can the system be recovered from this tape? Has anyone ever relied on a dd for a daily backup method? The system is Oracle 9i on Solaris 8.

Robyn

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Author: Robyn Anderson Sands
  INET: Robyn_at_iTeamTech.com

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Author: Ruth Gramolini
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Author: John Weatherman
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Author: Ruth Gramolini
  INET: rgramolini_at_tax.state.vt.us

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