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Oracle RAC versus Oracle Data Guard

Dlala
Dlala asked
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Last Modified: 2013-12-07
Hi,

We are trying to build a new highly available Oracle 10g database setup for our company

At this stage we have the following setup:
Windows Server 2003 Enterprise 32bit as the OS for node1 & node 2
SAN that is hosting the shared resources (Oracle data files , archive logs and control files)
Veritas cluster Service that is configured on both nodes as the clustering software
Oracle 10g is installed on both nodes as usual but Veritas service is managing it on both nodes

We have the following two choices:

1- Oracle RAC but its very expensive

2- Oracle Data Guard which comes at no additional cost with the enterprise edition

Basically both Veritas and RAC options will require a SAN which is a single point of failure while the Data Guard works without any SAN

Again , if Veritas cluster service is not working then we cannot access the SAN volumes from either node

We need an expert advice to go with Data Guard option

Thanks
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