Monday, June 12, 2006

Patching Oracle (9.2.0.6) to enable asynchronous I/O support w/RHEL

Patch Installation Instructions:
# --------------------------------
# To apply the patch, unzip the PSE container file:
#
# % unzip p3208258_9206_LINUX.zip
#
# Set your current directory to the directory where the patch
# is located:
#
# % cd 3208258
#
# Ensure that the directory containing the opatch script appears in
# your $PATH; then enter the following command:
#
# % opatch apply
#
# Patch Special Instructions:
# ---------------------------
# This patch is required to Enable asynchronous I/O support with Oracle running
# on RHEL 3. It should be applied only to 9.2.0.6.
#
# Instances under the ORACLE_HOME being patched do not need shutting
# down while opatch is run. opatch just copies libaio.so to locations in
# $ORACLE_HOME/lib/stubs.
#
# Once opatch has finished the following steps need to be completed. This
# does involve shutting down the Instances. Follow the steps below.
#
# 1. Ensure all instances in the ORACLE_HOME being patched are cleanly
# shutdown
#
# 2. cd to $ORACLE_HOME/rdbms/lib
#
# 3. Relink Oracle with asynchronous I/O enabled:
#
# % make -f ins_rdbms.mk async_on
#
# 4. Set the following init.ora parameters:
#
# set 'disk_asynch_io=true' # for raw devices and filesystem files
# set 'filesystemio_options=asynch' # for filesystem files
#
# 5. Restart All instances.

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