Oracle 11g RAC two-node root. sh execution error: one case
Only record the Oracle 11g rac installation process once
1. The installation of multi-path software using RHEL6.5 multipath using udev to configure the ASM shared disk failed. At that time, there were not many analyses and attempts due to the time relationship.
OEL6.X IBM v3500 storage multi-path Configuration
2. The multi-path software is installed using RHEL6.5 multipath and the ASM shared disk is successfully configured using ASMLIB. However, the following error message is reported when the root. sh command is executed in Section 2. For the solution, see 3.
Disk Group CRS creation failed with the following message:
ORA-15018: diskgroup cannot be created
ORA-15072: command requires at least 1 regular failure groups, discovered only 0
ORA-15080: synchronous I/O operation to a disk failed
Configuration of ASM... failed
See asmca logs at/u01/app/grid/export toollogs/asmca for details
Did not succssfully configure and start ASM at/u01/app/11.2.0/grid/crs/install/crsconfig_lib.pm line 6912.
/U01/app/11.2.0/grid/perl/bin/perl-I/u01/app/11.2.0/grid/perl/lib-I/u01/app/11.2.0/grid/crs /install/u01/app/11.2.0/grid/crs/install/rootcrs. pl execution failed
3. solution:
Node1, node2:
# Vi/etc/sysconfig/oracleasm
ORACLEASM_ENABLED = true
ORACLEASM_UID = grid
ORACLEASM_GID = asmdba
ORACLEASM_SCANBOOT = true
ORACLEASM_SCANORDER = "dm"
ORACLEASM_SCANEXCLUDE = "sd"
ORACLEASM_USE_LOGICAL_BLOCK_SIZE = false
#/Etc/init. d/oracleasm restart
In the second section, Run "Clear configuration" and then "root. sh:
#/U01/app/11.2.0/grid/crs/install/roothas. pl-delete-force-verbose
#/U01/app/11.2.0/grid/root. sh