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Re: RMAN Backup to tape or disk (SAN) ???

From: Ruth Gramolini <rgramolini_at_tax.state.vt.us>
Date: Tue, 06 May 2003 07:03:30 -0800
Message-ID: <F001.00591081.20030506070330@fatcity.com>


RMAN Backup to tape or disk (SAN) ???RMAN backups to disk are always faster than backups directly to tape. Disk has gotten cheaper so I would look at disk first. You can put the backups on tapes using the OS tape facilities after they are done.

Ruth

  Hi!

  We are about to redesign our backup environment. All Oracle Backups (8i, 9i) are done with RMAN. Now we are unsure whether to have RMAN backup to tape or to a specific area on our SAN.

  Backing up to the SAN (i.e. disk) is an option, since you don't need Veritas NetBackup Oracle Agents (which are horribly expensive). We would have RMAN write the backups to disk and then move those backups to tape. The disk will be about the size to hold two weeks worth of RMAN backups.

  Would this make sense? Or is it preferable to backup to tape, no matter what?

  This is 8i & 9i on Sun Solaris.

  Thanks,
  Helmut

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

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