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Nuno Pinto do Souto
Works at Scentregroup (Westfield)
Attends School of Hard Knocks
Lives in Warriewood, Australia
126 followers|141,777 views
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Nuno Pinto do Souto

commented on a post on Blogger.
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I never quite understood why maximum protection in DG turns off the main database if the recovery site is unreachable.  It basically means HA is simply not there, since the main site can be taken out by something that has nothing to do with it being OK or not!
One way I've found around the problem you describe is to have one copy of the redo in a different system in the backup site via NFS.  It works peachy for low redo volume dbs.
But I agree entirely that something like this Phoenix box may be very useful for those dbs where management paranoia dictates they must be always up.  Thanks for the heads up on this. 
I'd say it'd be best even with it to then not use maximum protection!  :)
I don’t usually write about specific products; but once in a while I encounter something worth talking about, especially if it addresses a very common issue anyone with datacenter management responsibilities will understand: ...
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Thanks, Nuno. 

>> I never quite understood why maximum protection in DG turns off the main database if the recovery site is unreachable. 

This is to make sure the data is 100% guaranteed to be protected. If that guarantee is not possible, Oracle has to make sure no changes to data occurs. In your case, you may want to explore Maximum Availability.

However, I agree with you on one thing. Even in case of Max Prot, I would expect the primary database to be available for read only. That would protect the data yet provide some limited functionality. Unfortunately Max Prot doesn't allow that.

>> One way I've found around the problem you describe is to have one copy of the redo in a different system in the backup site via NFS. 

Correct. Actually you can even have a remote SAN connected the main DB. However, the issue is still latency in redo writes which significantly affects the DB performance. the solution is high speed low latency network; but that costs serious money.This is where a local indestructible storage makes sense.
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Nuno Pinto do Souto

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Hey, you stupid NSA arses, why cause dropouts on something that is the truth?
Of course, when it doesn't serve your "big data" pockets, it's all OK, isn't it?
And you expect to have ANY credibility?
#facepalm
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Nuno Pinto do Souto

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That was stunning!  Please stay like this forever, Lindsey!
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Nuno Pinto do Souto

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Man!  That's the end of my high school days and start of uni, right there!
Never forgot it.  Simply stunning, even today!
Thanks for putting it here!
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Nuno Pinto do Souto

Meetup Activity  - 
 
Hi everyone. Head off to the SOM site and have a look at the upcoming meetups.
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+Trent Schafer Waiting for the presenter to return to Australia on the 28th July

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Nuno Pinto do Souto

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Enjoy, folks. 
Some of the many reasons why I so much love this city.
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I was fortunate to visit this wonderful city in 2013. Had a great time and I hope to return some day.
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Nuno Pinto do Souto

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Podem contactar-me por wizofoz2k@yahoo.com.au.
Díli, 66-69.  Estudante de liceu.
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Já contactei.
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Nuno Pinto do Souto

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Excelente!  Obrigado por publicar esta linda compilação.
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Nuno Pinto do Souto

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How does he know that was not the tortoise chasing him because it found him better looking than the other one?
<evil grin>
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Nuno Pinto do Souto

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Bunch of pansies!  
I want the supercharged methanol model! Now, that'll be for REAL men!
(g,d&r, vvf)
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superrodder2002's profile photoNuno Pinto do Souto's profile photo
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+superrodder2002
No, but I wouldn't mind watching.  ;)
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Nuno Pinto do Souto

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Damn!  I spent so many nights in high school listening to this!  Without a doubt, a landmark
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Nuno Pinto do Souto

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People
Have him in circles
126 people
Kedar Vaijanapurkar's profile photo
Nelson mereng's profile photo
Kevin Lange's profile photo
Jay Weinshenker's profile photo
LALIT NAHATA's profile photo
natik ameen's profile photo
Martijn Hoekstra's profile photo
Cary Millsap's profile photo
SydOracle's profile photo
Work
Occupation
Database Administrator
Employment
  • Scentregroup (Westfield)
    Database Administrator, present
  • Sperry Univac, Prime Computers, Oracle
  • Aspect/Kaz, 24/7 Realmedia, DBVision
  • Westfield Group
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Warriewood, Australia
Previously
Mozambique, South Africa, Rhodesia - Belgium, Portugal, UK, East Timor
Story
Tagline
...se a tanto me ajudar o engenho e a arte...
Introduction
Strongly dislike pretence, posers and blabber-mouths.
Like simplicity, direct talk and peace and quiet.

Interests: fishing, photography, woodworking and woodcarving with hand tools, reading, maths, astronomy, science.

As Camus said:
"Don't walk in front of me, I may not follow.
Don't walk behind me, I may not lead.
Just walk beside me and be my friend"
Bragging rights
Despite multiple "predictions" by "experts" that I'd soon be out of a job in IT, I've been in IT all of my professional life. And yes, I started with punched cards - do you SERIOUSLY believe I haven't progressed since? REALLY? hash-facepalm
Education
  • School of Hard Knocks
    1981 - present
  • Instituto Superior Técnico de Lisboa
    73 - 77
    Electrical Engineering (Electronics)
  • Professional education
    1977 - 2014
    Many, many professional specialty courses by either computer makers or software providers.
Basic Information
Gender
Male
Other names
Manuel de Leão Guerra
Don't know about the music, we went mid-week for a quiet dinner. Some of the best entrees and mains of fusion cuisine I ever tasted. Food was excellent +. Prices OK as well, given quality of food served. Definitely a breath of fresh air in the stale restaurant scene of the area. Pushed to find a negative, I would barely say service could be more attentive.
Public - 3 months ago
reviewed 3 months ago
I've been staying at Portobello for over 5 years, almost once a year. The resort is ideally located handy to the beach, near the Pacific Fair shopping and handy to the town centre of Broadbeach with all its night life. It is also very easy to get in and out of the Gold Coast from here, with easy access to the M1 and plenty of other places to go using it as a base. The accomodation is comfortable without being pretentious or luxurious, the place is kept scrupulously clean, the facilities are basic but functional and complete. A very convenient place for me and my business trips.
• • •
Public - 11 months ago
reviewed 11 months ago
2 reviews
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