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TAPE backup

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mehul_3
Regular Advisor

TAPE backup

Hi there!
I want to use my RMAN backup in tape directly rather than disk in HP-UX 11i.

Could you please someone help me in this regard


Mehul
3 REPLIES
Peter Godron
Honored Contributor

Re: TAPE backup

Mehul,
do you mean the RMAN Oracle backup?
If so, throughput to tape is going to be a lot slower than to disk!
What are you trying to back up?
mehul_3
Regular Advisor

Re: TAPE backup

I am talking about Oracle RMAN backup. We have no more space in Unix server for taking 35GB database offline backup. It hardly takes an hour to take cold database(35GB) backup on tape.

Thanks in advance.

Mehul

Duncan Edmonstone
Honored Contributor
Solution

Re: TAPE backup

Peter said:

> If so, throughput to tape is going to be a lot slower than to disk!

Not necessarily... disks outperform tapes for random IO because due to its serial nature seeks take ages on tape. However for sequential reads/writes modern tape devices (such as LTO) can actually be faster than disk.

To have RMAN write straight to tape, you need a 'media manager' in RMAN terminology. To you and me thats backup software like HP's Data Protector or Veritas NetBackup - do you have such a product in your environment, otherwise this is going to cost you...

Even if you do have the backup software, you will probably need to purchase an extra license to use the RMAN integration anyway.

HTH

Duncan

HTH

Duncan