Re: Anyone Using IBM flash Copy for Database Backups?

From: Martin Bach <development_at_the-playground.de>
Date: Mon, 02 Nov 2009 15:44:21 +0000
Message-ID: <4AEEFE55.5070604_at_the-playground.de>

Very valid points-I would like to add that you have a choice of compression algorithm: zlib or bzip2. If you can compromise on the compression ratio, zlib might be something worth trying. And sorry, I haven't used the IBM product yet

Regards,

Martin

--
Martin Bach
OCM 10g
http://martincarstenbach.wordpress.com

Mark W. Farnham wrote:


> I'm not, but I am surprised about your situation. I would have expected

> pretty much everything to have gotten faster, not slower.

> 

[...]


> 

> Are you cpu bound on the compression? Faster media copying is not going to

> help that. How much of your datawarehouse is actually eligible for change

> from month to month? Is there a partitioning strategy that will combine good

> access with life cycle management?

> 

> mwf

> 

> -----Original Message-----

> From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org]

> On Behalf Of Peter Barnett

> Sent: Monday, November 02, 2009 9:50 AM

> To: Oracle-l

> Subject: Anyone Using IBM flash Copy for Database Backups?

> 

> We have several large warehouse databases in the 12T to 15T range.  The

[preventing overquoting]


> the IBM estimates for DB2 correlate to Oracle run times?

> 

> 

> Pete Barnett

> Database Technologies Lead

> Regence

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Received on Mon Nov 02 2009 - 09:44:21 CST