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Oracle rac vip and scan

Munish_09Sep 15 2014 — edited Sep 16 2014

Hi Experts ,

I am beginner to RAC , i am trying to setup 2 node rac 11gr2, i have Started with the setup but conceptually i have some doubt , sorry if they are silly but will be thankful if you clear my doubts

1) please make me correct if i am not , vip is not assigned to any machine physically

2) if first is true , then

In tns file we use scan name and further scan corresponds to some vips (usually 3) now when its comes to DNS, it resolve it to one of the vip , Now how we able to connect/communicate using that vip as vip is something which is not assigned to any machine rather it isĀ  just an ip which we have not assigned to any machine , so to which machine my request goes to.

(ADDRESS = (PROTOCOL = TCP)(HOST = crs-scan)(PORT = 1521))

3) if 2 is incorrect can you please provide a bit idea how can i configure vip in linux , i read few blogs mentioning eth0:1 thing, so is that correct

Thanks

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Locked on Oct 14 2014
Added on Sep 15 2014
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