故障处理
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编辑 删除
Drop diskgroup does not delete CRS resource and database dependency profile
删除diskgroup 之后无法启动数据库实例，报如下错：PRCR-1013 : Failed to start resource ora.gzdw.dbPRCR-1064 : Failed to start resource ora.gzdw.db on node jczc-1CRS-5017: The resource action "ora.GDATA.dg start" encountered the following error:ORA-15032: not all alterations performedORA-15017: diskgroup "GDATA" cannot be mountedORA-15040: diskgroup is incompleteDrop diskgroup does not delete CRS resource and database dependency profile
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编辑 删除
LATCH:ROW CACHE OBJECTS故障处理
I.症状： 业务侧反馈应用缓慢，我方发现数据库缓慢，并伴随有LATCH:ROW CACHE OBJECTS等待事件，数据库CPU过高。 II.解决方案： 通过如下分析是由于故障时段的业务增长并且大量硬解析，硬解析需要去获取数据字典资源，这需要获得latch（一种锁机制）若硬解析量太大，会造成严重的latch争用，占用非常...
