Well synchronize in 12 c

Hi friends,

I read new features of 12 c and I have a doubt synchronize now tell me please.

1. What are the impacts on the data keep environment if you wait extreme sync broken?

2. is it possible to do more servers running as much sync mode standby?

Kind regards

Arya

1. What are the impacts on the data keep environment if you wait extreme sync broken?

If the sync Far instance is not available, then redo data will not be transferred into sleep mode more, that's the downside, yet once again, you can configure with a flexible architecture. That means that when the instance of synchronization up to now is not available, you can use "ALTERNATE" attributes to the LOG_ARCHIVE_DEST_n.

So that when the instance of far sync is not available, primary may be able to send data again directly to the standby database.

2. is it possible to do more servers running as much sync mode standby?

Yes, you can but you must have good plan why you need more servers?

If the primary and standby is too far and extreme synchronization, you will create close to the main, it will be the works until the primary and standby do well. But the image will change after the passage of the configuration, means now Eve becomes primary and is pending. In this extreme sync situtaion will be close to the news of the day before, but not near the main news. In these cases for very flexible JavaBeans to far sync, you can have two instances of extreme sync. Where synchronization is far close to primary and other sync away near the day before. In the configuration, so there is no more problems.

So overall, you can configure sync far more than one.

Hope this answer helps you.

Also recently I introduced the session on 12 c Data Guard: Far sync and new features, you can take a look and it can help you

http://www.SlideShare.NET/nassyambasha/oracle12c-Data-Guard-farsync-and-whats-new

Post edited by: CKPT

Tags: Database

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