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40 Deployment Guide
Removing the Node from the Clusterware Layer
1
On the node that you are deleting, as user
root
, disable CRS by typing the following command:
/crs/oracle/product/10.2.0/crs/install/rootdelete.sh remote
nosharedvar
2
On one of the remaining nodes, as user
root
, type the following command:
/crs/oracle/product/10.2.0/crs/install/rootdeletenode.sh <public
nodename>, <node-number>
To determine the node number of any node, type the following command:
/crs/oracle/product/10.2.0/crs/bin/olsnodes -n
3
On the node that you are deleting, if you wish to remove the Oracle CRS software, type the following
command:
rm -rf /crs/oracle/product/10.2.0/crs/*
Reinstalling the Software
NOTICE: Reinstalling the software erases all information on the hard drives.
NOTICE: You must disconnect all external storage from the system before you reinstall the software.
NOTICE: Dell recommends that you perform regular backups of your database and individual nodes so that you do
not lose valuable data. Reinstall the node software only as a last resort.
Installing the software using the
Dell Deployment
CD created a redeployment partition on your hard drive
that contains all of the software images that were installed on your system. The redeployment partition
allows for quick redeployment of the Oracle software.
Reinstalling the software by using this method requires that you boot the system to the redeployment
partition. When the system boots to this partition, it automatically reinstalls the Red Hat Linux operating
system.
To reinstall software using this method, perform the following steps:
1
Disconnect the external storage.
2
Log in as
root
on the system on which you want to reinstall the software.
3
Ty p e
vi /etc/grub.conf
and press <Enter> to edit the grub configuration file.
4
In the file, change the default to
3
.
5
Save the file and restart your system.
For information about configuring the system for use, see "Configuring Red Hat Enterprise Linux" on
page 8 and continue through the remaining sections to reconfigure your system.