Oracle 11.2.0.4 RAC $ORACLE_HOME/bin/oracle权限不对导致无法启动实例

 [oracle@ypdb02 ~]$ sqlplus / as sysdba

 SQL*Plus: Release 11.2.0.4.0 Production on Thu Dec 3 11:29:29 2015

 Copyright (c) 1982, 2013, Oracle. All rights reserved.

 Connected to an idle instance.

 SQL> startup
 ORA-01078: failure in processing system parameters
 ORA-01565: error in identifying file '+DATA_DG/ypdb/spfileypdb.ora'
 ORA-17503: ksfdopn:10 Failed to open file +DATA_DG/ypdb/spfileypdb.ora
 ORA-12547: TNS:lost contact

 ********************************************************************************
 排查：

 --检查ASM实例运行情况
 [grid@ypdb02 ~]$ srvctl status asm -n ypdb02
 ASM 正在 ypdb02 上运行

 --磁盘DATA磁盘有没有MOUNT
 [grid@ypdb02 ~]$ sqlplus / as sysdba

 SQL*Plus: Release 11.2.0.4.0 Production on Thu Dec 3 11:34:22 2015

 Copyright (c) 1982, 2013, Oracle. All rights reserved.

 Connected to:
 Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
 With the Real Application Clusters and Automatic Storage Management options

 SQL> select name,free_mb from v$asm_diskgroup;

 NAME FREE_MB
 ------------------------------ ----------
 DATA_DG 404878
 OCR_DG 2146


 --查看实例1上的oracle权限
 [root@ypdb01 ~]# ll /oracle/product/11.2.0/db_1/bin/oracle
 -rwsr-s--x 1 oracle asmadmin 239811987 12月 2 17:54 /oracle/product/11.2.0/db_1/bin/oracle

 --查看实例2上的oracle权限，发现权限不对。
 [grid@ypdb02 ~]$ ls -l $ORACLE_HOME/bin/oracle
 -rwxr-x--x 1 grid oinstall 209914479 12月 1 16:14 /oracle/11.2.0/grid/bin/oracle

 --更改权限
 [grid@ypdb02 ~]$ chmod 6751 $ORACLE_HOME/bin/oracle

 [grid@ypdb02 ~]$ ls -l $ORACLE_HOME/bin/oracle
 -rwsr-s--x 1 grid oinstall 209914479 12月 1 16:14 /oracle/11.2.0/grid/bin/oracle


 --再次启动
 SQL> startup
 ORACLE instance started.

 Total System Global Area 4275781632 bytes
 Fixed Size 2260088 bytes
 Variable Size 1442841480 bytes
 Database Buffers 2818572288 bytes
 Redo Buffers 12107776 bytes
 Database mounted.
 Database opened.

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