HA with one node across the ocean

  • Hi All,

    Has anyone done a HA with one node across the ocean on a pretty large DB? The Database in question is around 1.5 TB. I already have HA set up on two server in the same data center as a Primary and the secondary as read only node. What I want to do is to add an asynchronous node on a server that is in a data center that is situated on almost the other side of the world.

    -Roy

  • how good is the link between the sites?

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    "Ya can't make an omelette without breaking just a few eggs" 😉

  • The link is very good. The compressed back ups come to around 190 GB. Is it practical to move the back up over the wire?

    -Roy

  • i've done it before, it may take a short while but you only need the initial full to start any HA. Just remember to factor into any reinitialisation scenario the need to copy the new full backup

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    "Ya can't make an omelette without breaking just a few eggs" 😉

  • Thanks Perry. I will simulate the test in my test environment.

    Since you have done it, I am sure it will work.

    -Roy

  • What HA are you thinking of using?

    The scenario i used was log shipping a large database from UK to USA.

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    "Ya can't make an omelette without breaking just a few eggs" 😉

  • Adding the node in AG. We will have a point to point VPN to the other data center. From all the reading I did it is possible to do it but I was not sure how practical it was to transfer 180 GB back up across the wire.

    -Roy

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