Is it possible to install Oracle RAC without shared storage

Dear All,
I would like to seek for your advice.
I got two different servers. We call it node 1 and node 2. And two different instances name.
Node 1 -> instance name as "ORCL1"
Node 2 -> instance name as "ORCL2"
For the system we need Oracle RAC active-active cluster mode. Our objective is to have 2 replicated databases, in other words we need 2 instances of the same database automatically replicated for 100% up time to the Application server. We have 2 separate database machines and 2 application server machines. We need our application server to connect to any of the databases at any point of time and be having a consistent data on both database machines. We only need the database to be in a cluster mode, we won't need the OS to be in a cluster. There is no shared storage in this case.
Can this be done? Please advice.

you should review RAC concepts, and the meaning of instance and database
For the system we need Oracle RAC active-active cluster mode.RAC = single database with multiple instances all accessing the same shared storage, no replication involved
Our objective is to have 2 replicated databases, in other words we need 2 instances of the same database automatically replicated for 100% up time to the Application server.what you describe here is = multiple databases with multiple instances, replicated between each other
We have 2 separate database machines and 2 application server machines. We need our application server to connect to any of the databases at any point of time and be having a consistent data on both database machines. We only need the database to be in a cluster mode, we won't need the OS to be in a cluster. There is no shared storage in this case.no shared storage = no RAC
you will have two seperate databases synchronizing continuously
you can use for example Streams / Advanced Replication (with multi-master configuration)
if you dont insist on an active-active configuration, you can also use Data Guard for building a standby database

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