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before we start to PSU upgrade,we should backup database(cold or hot backup) and the oracle home dir
Oracle? Database 10g Release 2 (10.2.0) RAC for RedHat4 Oracle Rac 10.2.0.1升級至10.2.0.5 升級集群件-滾動升級
結論 1,測試環境是oracle 10.2.0.5 2,_kghdsidx_count=1，即共享池子池個數是1個 3,硬解析需要獲取shared pool latch 4,軟解析需要獲取sha
