RE: Disaster Recovery

["Jones, John (US)" <John.Jones@xxxxxxxxxx>]

LTO2 is faster than both LTO and 3590.  If your hardware is 8xx or newer, you 
should improve your backup/restore performance.  See chapter 15 of this PDF: 
http://publib.boulder.ibm.com/iseries/v5r2/ic2924/books/sm24/as4ppcp7.pdf .

John A. Jones, CISSP
Americas Information Security Officer
Jones Lang LaSalle, Inc.
V: +1-630-455-2787  F: +1-312-601-1782
john.jones@xxxxxxxxxx

-----Original Message-----
From: MITTELHEISSER Jean Claude [mailto:MITTELJC@xxxxxxx] 
Sent: Wednesday, September 15, 2004 9:28 AM
To: Midrange Systems Technical Discussion
Subject: RE: Disaster Recovery

I think LTO will not be faster... ;-)

-----Message d'origine-----
De : midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx]De la part de DCharmatt@xxxxxxxxxxxxx 
Envoyé : mercredi 15 septembre 2004 16:05 À : Midrange Systems Technical 
Discussion Objet : RE: Disaster Recovery


P0 - 2214 GB at 55%
P1 - 2513 GB at 66%
P2 - 456 GB at 80%


Thanks,

David 




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Hi David,

We have 92 GB usable disks filled to more than 50 %. That means our whole 
system size is closed to 50 GB. What is the size of your system ?

Thanks
Jean-Claude

-----Message d'origine-----
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DCharmatt@xxxxxxxxxxxxx
Envoyé : mercredi 15 septembre 2004 15:43
À : Midrange Systems Technical Discussion
Objet : RE: Disaster Recovery


JCM,

What is the size of your system?  I'm curious because it would take us at
least 14 hours to run a Save-21 using 3590 tape drives (and this is per
partition...we have 3).  Are LTO tapes that much faster??


Thanks,

David



"MITTELHEISSER Jean Claude" <MITTELJC@xxxxxxx>
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RE: Disaster Recovery






Hi Dan,

I agree with you if backup system is close to production one. My Save-21
takes about 45 minutes (50 GB to a Ultrium-1 tape unit), much shorter than
14 hours. But in my case backup system will be 400 miles away. So I have
13 hours to sent tape to backup. It's to short. But as we have no backup
system today, we do every night SAVSECDTA, SAVCFG and SAVLIB *ALLUSR.

Thanks.
JCM



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