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What if there is a crs-4124 error in Oracle11gR2 RAC?

2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >

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This article mainly introduces how to do crs-4124 errors in Oracle11gR2 RAC. It is very detailed and has certain reference value. Friends who are interested must finish reading it.

CRS-4124: Oracle High Availability Services startup failed.

CRS-4000: Command Start failed, or completed with errors.

Ohasd failed to start: Inappropriate ioctl for device

Ohasd failed to start at/u01/app/11.2.0/grid/crs/install/rootcrs.pl line 443.

I encountered this classic problem of 11.0.2.1 when I installed 11gR2 RAC for the first time. I found out that it was a bug after looking it up on the Internet, and the solution was very simple.

Is to execute the following command before executing root.sh

/ bin/dd if=/var/tmp/.oracle/npohasd of=/dev/null bs=1024 count=1

If it appears

/ bin/dd: opening` / var/tmp/.oracle/npohasd': No such file or directory

Continue to execute the file before it is generated, until it can be executed, and usually execute the dd command when the message Adding daemon to inittab appears.

Another solution is to change file permissions.

Chown root:oinstall / var/tmp/.oracle/npohasd

Don't forget to delete the configuration before re-executing root.sh: / u01/app/11.2.0/grid/crs/install/roothas.pl-deconfig-force-verbose

The above is all the contents of the article "what to do if there is a crs-4124 error in Oracle11gR2 RAC". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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