Applies to: Oracle Server – Enterprise Edition – Version: 10.1.0.2 to 11.1.0.6 Information in this document applies to any platform. Reviewed 22-Oct-2008 Goal This document will explain how to configure SSH, which is required to run a RAC installation. Following the instructions in the installation guide are also correct, but sometimes this will not work,…
In this Document Purpose Scope and Application Running Cluster Verification Utility to Diagnose Install Problems References Applies to: Oracle Server – Enterprise Edition – Version: 10.1 to 11.1 Information in this document applies to any platform. Purpose The purpose of this document is to enable the DBA to diagnose install failures using Cluster Verification Utility…
Read More “339939.1 Running Cluster Verification Utility to Diagnose Install Problems” »
Applies to: Oracle Server – Enterprise Edition – Version: 9.0.1 to 11.1 Oracle Server – Enterprise Edition – Version: 8.0 to 11.1 This problem can occur on any platform. Symptoms Using oradebug to create a systemstate may lead to the following error: oradebug dump systemstate 266 Error 2819 encountered by local process [ospid=5529] or oradebug…
Read More “751131.1 New Article Error 2819 While Requesting a Systemstate Dump” »
1) Add hard drive in vmware console. Select any SCSE disk type. 2) From vmware itself you will know that what will its sd number. like will it be sda,sdb.. or sdz. 3) start virtual machine and do the following as root: # fdisk /dev/sdg1 Here create a primary partition and write partition table. now…
Read More “Adding addidional hard drive and attach it to a linux box.” »
PURPOSE This article is a step by step demonstration on how to use the Oracle10g SQLAccess Advisor (DBMS_ADVISOR) package to get recommendations on what Materialized Views to create in order to support a given set of queries (a workload) issued on the database. The workload is imported from the Oracle10g Automatic Workload Repository using a…
Checked for relevance on 12-May-2008. Clarification/Explanation ========================== The query optimizer can sometimes produce inaccurate estimates about an attribute of a statement due to lack of information,leading to poor execution plans. Traditionally, users have corrected this problem by manually adding hints to the application code to guide the optimizer into making correct decisions. For packaged applications,…
shutdown -h now
At this time in 800P, we are having following parameter set. NAME TYPE VALUE ———————————— ———– —————————— processes integer 3500 sessions integer 9000 The main parameter is “processes” parameter as it depends upon the # of semaphores in the system. This parameter depends upon followng kernel values. nproc – Maximum number of processes that can…
Read More “Processes parameter and its dependencies on OS kernel parameters” »
metalink note: 15566.1 PURPOSE Shared memory and semaphores are two important resources for an Oracle instance on Unix. An instance cannot start if it is unable to allocate what it needs. This paper primarily discusses the process Oracle goes through to allocate shared memory and semaphores at instance startup. Other important points unrelated to startup…
Read More “Nice Article about semaphores and init.ora Processes parameter relations” »
The permission on this file must be 600. else even after changing the authorized keys you will be asked for password authentications.
