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Oracle 10.2 RAC New Features

Oracle 10.2 RAC New Features. Julian Dyke Independent Consultant. Web Version. juliandyke.com. CLUVFY. CLUVFY. Introduced in Oracle 10.2 Read-only utility that verifies configuration of cluster at each stage of cluster installation Detects many common configuration errors

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Oracle 10.2 RAC New Features

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  1. Oracle 10.2RAC New Features Julian Dyke Independent Consultant Web Version juliandyke.com

  2. CLUVFY

  3. CLUVFY • Introduced in Oracle 10.2 • Read-only utility that verifies configuration of cluster at each stage of cluster installation • Detects many common configuration errors • Eliminates time-consuming troubleshooting • Supplied with Oracle Clusterware • Can be installed separately • Can also be used with Oracle 10.1 • Requires -r 10gR1 switch

  4. CLUVFY • Written in Java - requires JRE • Supplied with JRE • Alternatively can use existing JRE • Must set CV_JDKHOME environment variable • On Red Hat Linux also requires cvuqdisk package • Supplied on Oracle Clusterware CD rpm --Uvh cvuqdisk-1.0.1-1.rpm

  5. CLUVFY • Checks • stages • components • Stage checks • Verify all steps for specified stage have been completed • Component checks • Verify specified component has been correctly installed sh runcluvfy.sh -helpsh runcluvfy.sh stage -helpsh runcluvfy.sh comp -help

  6. CLUVFY • Stages include:

  7. CLUVFY • Components include:

  8. CLUVFY • For example, to check configuration before installing Oracle Clusterware on node1 and node2 use: sh runcluvfy.sh stage -pre crsinst -n node1,node2 • Checks: • node reachability • user equivalence • administrative privileges • node connectivity • shared stored accessibility • If any checks fail append -verbose to display more information

  9. OracleClusterwareFile Mirroring

  10. OCR and Voting Disk Mirroring • RAC databases contain • controlfiles • datafiles • online redo logs • server parameter files • password files • archive log files • In addition RAC clusters contain • Oracle Cluster Repository (OCR) • formerly SRVM file • Voting Disk • formerly CSS file

  11. OCR and Voting Disk Mirroring • In Oracle 10.1 and below • only one copy of OCR and Voting Disk • can be corrupted • can be deleted • can be inaccessible • loss of either prevents access to all databases in cluster • In Oracle 10.2 and above • OCR can be mirrored • maximum two copies • Voting Disk can be mirrored • recommended three copies

  12. Instance 1 Instance 2 Node1 Node2 OCR and Voting Disk Mirroring Oracle 10.1 OCR Voting Disk 1 Database Files Database Files Database Files

  13. Instance 1 Instance 2 Node1 Node2 OCR and Voting Disk Mirroring Oracle 10.2 OCR OCR Mirror Voting Disk 1 Voting Disk 2 Voting Disk 3 Database Files Database Files Database Files

  14. DBCADatabaseCloning

  15. DBCA - Database Cloning • Creating a Clone Template Manage Templates

  16. DBCA - Database Cloning Create database template from an existing database (structure and data)

  17. DBCA - Database Cloning Choose database from which to create the template

  18. DBCA - Database Cloning Specify name and description of template Specify location where RMAN copies of datafiles will be created.

  19. DBCA - Database Cloning Choose locations of database files

  20. DBCA - Database Cloning • Template creation completion message

  21. DBCA - Database Cloning • Creating a Clone Database Create Database

  22. DBCA - Database Cloning Manage Templates Select nodes on which to create cluster database

  23. DBCA - Database Cloning Select template(Template2) Includes Datafiles = Yes=> Clone

  24. DBCA - Database Cloning Select Global Database Name Select SID

  25. DBCA - Database Cloning Select SID Configure Management Options

  26. DBCA - Database Cloning Select SID Set Passwords

  27. DBCA - Database Cloning Select Storage Option(ASM)

  28. DBCA - Database Cloning Select ASM Diskgroup(DISKGROUP1)

  29. DBCA - Database Cloning Select Oracle-Managed Files (OMF)

  30. DBCA - Database Cloning Optionally enable Flash Recovery Area and Archiving

  31. DBCA - Database Cloning Specify optional; custom initialization scripts Optionally enable Flash Recovery Area and Archiving

  32. DBCA - Database Cloning Add Services

  33. DBCA - Database Cloning Set initialisation parameters

  34. DBCA - Database Cloning Configure storage

  35. DBCA - Database Cloning Create Database or Generate Database Creation Scripts

  36. DBCA - Database Cloning Create Database or Generate Database Creation Scripts Log files in $ORACLE_HOME/cfgtoollogs/dbca/CLONE

  37. DBCA - Database Cloning Create Database or Generate Database Creation Scripts

  38. Thank you for listening info@juliandyke.com

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