root.sh fails during GI installation on the first node with ORA-15303 in ASM alert.log (Doc ID 1526096.1)

Last updated on OCTOBER 31, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.
***Checked for relevance on 10-OCt-2014***

Symptoms

 1. New installation for GI ( Grid Infrastructure ) with ASMLib devices ( with ORCL:* device path ) on Linux.  

2. root.sh fails on the first node with the following messages

ASM created and started successfully.

Disk Group CRSVOTE created successfully.

clscfg: -install mode specified
Successfully accumulated necessary OCR keys.
Creating OCR keys for user 'root', privgrp 'root'..
Operation successful.
Failed to create voting files on disk group CRSVOTE.
Change to configuration failed, but was successfully rolled back.
CRS-4000: Command Replace failed, or completed with errors.
Voting file add failed
Failed to add voting disks at /u01/grid/11.2.0.3/crs/install/crsconfig_lib.pm line 6780.
/u01/grid/11.2.0.3/perl/bin/perl -I/u01/grid/11.2.0.3/perl/lib -I/u01/grid/11.2.0.3/crs/install /u01/grid/11.2.0.3/crs/install/rootcrs.pl execution failed

 
 
3.  rootcrs_node1.log

2013-01-04 13:44:56: Executing cmd: /u01/grid/11.2.0.3/bin/crsctl replace votedisk '+CRSVOTE'       <<<<<<<< Voting file creation failed.
2013-01-04 13:44:57: Command output:
>  Failed to create voting files on disk group CRSVOTE.
>  Change to configuration failed, but was successfully rolled back.
>  CRS-4000: Command Replace failed, or completed with errors.
>End Command output

 

4.  ASM alert.log

ERROR: Could not create voting files. It spans across 161 AUs (max supported is 64 AUs)
ERROR: Voting file allocation failed for group CRSVOTE
Errors in file /u01/oracle/diag/asm/+asm/+ASM1/trace/+ASM1_ora_7321.trc:
ORA-15303: Voting files could not be created in diskgroup CRSVOTE due to small Allocation Unit size

 


5. The device used for OCRVOTE diskgroup shows different logical  ( 512 bytes ) and physical block size ( 4096 bytes )

$ ls -l  /dev/oracleasm/disks/*

total 0
brw-rw---- 1 oragrid asmadmin 253, 17 Jan  8 13:46 CRSVOTE1

 
# cd /sys/block/dm-17/queue
#  more *block_size

::::::::::::::
logical_block_size
::::::::::::::
512
::::::::::::::
physical_block_size
::::::::::::::
4096

 

Cause

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