报错如下：

Errors in file /u01/app/grid/diag/asm/+asm/+ASM2/trace/+ASM2_lgwr_71280.trc:
ORA-27157: OS post/wait facility removed
ORA-27300: OS system dependent operation:semop failed with status: 43
ORA-27301: OS failure message: Identifier removed
ORA-27302: failure occurred at: sskgpwwait1
2019-12-10T18:11:29.850155+08:00
Errors in file /u01/app/grid/diag/asm/+asm/+ASM2/trace/+ASM2_psp0_71242.trc:
ORA-27157: OS post/wait facility removed
ORA-27300: OS system dependent operation:semop failed with status: 43
ORA-27301: OS failure message: Identifier removed
ORA-27302: failure occurred at: sskgpwwait1

确定下操作系统是否为RHEL7.2，/etc/systemd/logind.conf文件中是否设置了RemoveIPC=YES或者没配置，如果是，如下：

1. 在文件/etc/systemd/logind.conf设置 RemoveIPC=no

2. 重启systemd-logind:
   systemctl daemon-reload
   systemctl restart systemd-logind

之后再次启动集群。