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12c GI Installation with ASM on NFS Disks Fails with ORA-15018 ORA-15072 ORA-15080 (Doc ID 1555356.1)

Last updated on FEBRUARY 20, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Using ASM disks on NFS mount partition, installing Grid Infrastructure 12c fails at root.sh:

# <GI_HOME>/root.sh
Performing root user operation for Oracle 12c
......
CRS-2672: Attempting to start 'ora.cssd' on 'racnode1'
CRS-2672: Attempting to start 'ora.diskmon' on 'racnode1'
CRS-2676: Start of 'ora.diskmon' on 'racnode1' succeeded
CRS-2676: Start of 'ora.cssd' on 'racnode1' succeeded

Disk Group DATA 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 failed to read block 0 of disk 1 in disk group
ORA-15080: synchronous I/O operation failed to read block 0 of disk 0 in disk group DATA

2013/05/02 10:22:13 CLSRSC-184: Configuration of ASM failed

2013/05/02 10:22:22 CLSRSC-258: Failed to configure and start ASM

Died at <GI_HOME>/crs/install/crsinstall.pm line 1976.
The command '<GI_HOME>/perl/bin/perl -I<GI_HOME>/perl/lib -I<GI_HOME>/crs/install <GI_HOME>/crs/install/rootcrs.pl ' execution failed


The disks /asm/disk1 and /asm/disk2 used by DATA diskgroup are NFS mounted. There is no permission issue, using dd to read and write are all fine:

mount option on the cluster is like:
192.168.1.1:/disks/12c on /asm type nfs (rw,tcp,vers=3,rsize=32768,wsize=32768,bg,hard,nointr,actimeo=0,timeo=600,addr=192.168.1.1)

[root@<hostname> asm]# ls -l /asm
total 10240020
-rw-rw----.  1 oracle oinstall 5242880000 May  2 00:14 disk1
-rw-rw----.  1 oracle oinstall 5242880000 May  2 00:12 disk2

 

Changes

New installation.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
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References


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