Cluster Ready Services
Prior to Oracle 10g RAC, customers who purchased the RAC option had to depend on third-party vendors—such as Veritas, Sun, HP, and IBM—for cluster communication and management support. Depending on what flavor of cluster support you selected, your install and management responsibilities could differ from one to the other. Having different vendors for cluster management and the database was problematic and introduced many obstacles for administrators, such as multiple vendors to contact for support and licensing management. This, as you can imagine, could lead to finger-pointing among vendors if serious problems occurred. Oracle 10g RAC now eliminates these issues with the introduction of Cluster Ready Services.
Cluster ...
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