常见RAC故障
主机重启--导致RAC无法启动： 1：存储乱了顺序。 ocr voting /etc/udev/rules.d/60-raw.rules 检查 CSS 日志 2.检查私网是否有问题。 ping cluvfy RAC 访问时常中断： local_listener ip 情况 有时重启是crs 服务，或者重启 HACMP 就可以解决问题 3.ASM磁盘
主机重启--导致RAC无法启动：
1：存储乱了顺序。
ocr voting /etc/udev/rules.d/60-raw.rules
检查 CSS 日志
2.检查私网是否有问题。
ping
cluvfy
RAC 访问时常中断：
local_listener
ip 情况
有时重启是crs 服务，或者重启 HACMP 就可以解决问题
3.ASM磁盘的权限的不正确（oracle:dba）导致 ASM 进程无法挂起。
原因 ： /etc/rc.local 中的赋权语句没有生效
解决方法:检查 /etc/rc.local 的赋权语句是否正确
或者手工配置一个 on_os_start.sh 脚本里面添加：
chown oracle:dba /dev/sdb2
....
然后手工在两个节点分别执行：crsctl stop crs; crsctl start crs;
重启集群。
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