1. Oracle Clusterware 日志组件及其位置
Oracle RAC 11g 运行日志的目录结构如下：
- Summary of all Clusterware events on this host
此主机上所有集群件事件的摘要
Grid_Home/log/Host_Name/alertHost_Name.log -
Oracle High Availability Services Daemon OUT
Oracle 高可用性服务守护进程 OUT
Grid_Home/log/Host_Name/ohasd/ohasdOUT.log -
Oracle High Availability Services Daemon
Oracle 高可用性服务守护进程
Grid_Home/log/Host_Name/ohasd/ohasd.log -
Cluster Ready Services OUT
集群就绪服务 OUT
Grid_Home/log/Host_Name/crsd/crsdOUT.log -
Cluster Ready Services Daemon
集群就绪服务守护进程
Grid_Home/log/Host_Name/crsd/crsd.log -
Cluster Synchronisation Service OUT
集群同步服务OUT
Grid_Home/log/Host_Name/cssd/cssdOUT.log -
Cluster Synchronisation Service Daemon
集群同步服务守护进程
Grid_Home/log/Host_Name/cssd/ocssd.log -
Alert log for ASM (ADR - Automatic Diagnostic Repository = /app/oracle/diag/)
ASM 的警报日志（ADR - 自动诊断存储库 = /app/oracle/diag/）
/app/oracle/diag/asm/+asm/+ASM1/trace/alert_+ASM1.log -
Cluster Ready Services Monitor Agent
集群就绪服务监控代理
Grid_Home/log/Host_Name/agent/crsd/oraagent_grid/oraagent_grid.log -
Cluster Ready Services Root Agent
集群就绪服务 root 代理
Grid_Home/log/Host_Name/agent/crsd/orarootagent_root/orarootagent_root.log -
Oracle High Availability Services Monitor Agent
Oracle 高可用性服务监视器代理
Grid_Home/log/Host_Name/agent/ohasd/oraagent_grid/oraagent_grid.log -
Oracle High Availability Services Root Agent
Oracle 高可用性服务 root 代理
Grid_Home/log/Host_Name/agent/ohasd/orarootagent_root/orarootagent_root.log -
Cluster Synchronisation Service Root Agent (under OHAS)
集群同步服务 root 代理（OHAS下）
Grid_Home/log/Host_Name/agent/ohasd/oracssdagent_root/oracssdagent_root.log -
Cluster Synchronisation Service Monitor Agent (under OHAS)
集群同步服务监控代理（在 OHAS 下）
Grid_Home/log/Host_Name/agent/ohasd/oracssdmonitor_root/oracssdmonitor_root.log -
Cluster Time Synchronization Service (CTSS)
集群时间同步服务 (CTSS)
Grid_Home/log/Host_Name/ctssd/octssd.log -
Grid Plug and Play
Grid 即插即用
Grid_Home/log/Host_Name/gpnpd/gpnpd(OUT).log -
Multicast Domain Name Service Daemon (MDNSD)
多播域名服务守护进程 (MDNSD)
Grid_Home/log/Host_Name/mdnsd/mdnsd(OUT).log -
Oracle Grid Naming Service (GNS)
Oracle Grid命名服务 (GNS)
Grid_Home/log/Host_Name/gnsd/ -
Event Manager (EVM) information generated by evmd
evmd 生成的事件管理器 (EVM) 信息
Grid_Home/log/Host_Name/evmd/evmd(OUT).log -
Oracle RAC RACG
Grid_Home/log/Host_Name/racg/ -
Server Manager (SRVM)
服务器管理器 (SRVM)
Grid_Home/log/Host_Name/srvm/ -
Disk Monitor Daemon (diskmon)
磁盘监视器守护程序（diskmon）
Grid_Home/log/Host_Name/diskmon/ -
Grid Interprocess Communication Daemon (GIPCD)
Grid进程间通信守护进程 (GIPCD)
Grid_Home/log/Host_Name/gipcd/gipcd(OUT).log
除了上述内容，我最近在文档中找到了这个页面：
Clusterware 日志文件和统一日志目录结构 (https://docs.oracle.com/cd/E14796_01/doc/rac.112/e10717/troubleshoot.htm)