1. Migrating an 11i Database to
Linux – Tips, Tricks & Gotchas
Mark Morgan
DBA Consultant
siMMian systems, inc.
415-585-4242
morgan@simmian.com
January 21, 2009

2. Migrating an 11i Database to
Linux
• Overview
• Project Definition
• Process Overview and Detail
• Post Migration Tips and Tricks
Mark Morgan siMMian
January 21, 2009
systems, inc.

3. Project Definition: Why Linux?
• Advantages
• Lower Cost of Hardware
• Performance
• Lower Cost of Hardware
• RAC
• Lower Cost of Hardware
• Disadvantages
• Stability
• Hidden Administration Costs
• RAC
Mark Morgan siMMian
January 21, 2009
systems, inc.

4. Project Definition: Goals
• Replace HPUX hardware
• Prepare for R12 upgrade
• Improve upgrade performance
• Long-term EBS compatibility
• Database cleanup
• Coalesce data
• Purge metadata junk
• Characterset conversion to AL32UTF8
• postponed to R12 upgrade
• 10.2.0.4 minimum
• 11i does not support AL32UTF8
• Minimum downtime
Mark Morgan siMMian
January 21, 2009
systems, inc.

5. Project Definition: Infrastructure
• 11.5.10.2 EBS
• Installed as 11.0 / RDBMS 8.0
• Financials, OM, Manufacturing, HR, CRM
• OATM
• Recent ATG & TXK
• RDBMS 10.2.0.3 64-bit
• HPUX 64 bit
• Linux Redhat 4 64 bit
Mark Morgan siMMian
January 21, 2009
systems, inc.

6. Project Definition: Datapump
• 362205.1 Export/Import Process for Oracle Applications
Release 11i Database Instances Using Oracle
Database 10g Release 2
• 454616.1 Export/Import Process for Oracle E-Business
Suite Release 12 using 10gR2
• 402785.1 iSetup dependency with Deinstall and Reinstall
of XMLDB
• Transportable tablespaces not supported for EBS
Mark Morgan siMMian
January 21, 2009
systems, inc.

7. Process Overview
• Build Linux environment
• Stage target database
• Prepare source database
• Export the source database
• Import to the target database
• Update the target database
• Post migration tasks
Mark Morgan siMMian
January 21, 2009
systems, inc.

8. Process Overview: Build Linux
Environment
• 416305.1 Oracle Applications Installation and Upgrade
Notes Release 12 (12.0) for Linux (64-bit)
• 169706.1 Oracle® Database on AIX®,HPUX®,
Linux®,Mac OS® X,Solaris®,Tru64 Unix®
Operating Systems Installation and
Configuration Requirements
• 339510.1 Requirements for Installing Oracle 10gR2
RDBMS on RHEL 4 on AMD64/EM64T
Mark Morgan siMMian
January 21, 2009
systems, inc.

9. Process Overview: Create
Target Database
• Create 10g ORACLE_HOME
• R12.0.4 installation media
• 10g installation media
• RDBMS patches
• 10.2.0.3 / 10.2.0.4
• DST
• CPUs
Mark Morgan siMMian
January 21, 2009
systems, inc.

10. Process Overview: Create
Target Database
Datapump-specific patches
• RDBMS
• 5874989 (characterset)
• 4352110
• 6855589 (corrects ORA-39125 if v8
database)
• EBS Patches (unzip only)
• 4872830 (should already be applied)
• 7225862 (replaces 5873146)
• 6723741 (R12)
• 6342289 (R12)
Mark Morgan siMMian
January 21, 2009
systems, inc.

11. Process Overview: Create
Target Database
• Create init.ora
• Create the target database
• auclondb.sql from R12 patch 6924477
• edit and run aucrdb.sql
• autoextend datafiles
• disable archive logging
Mark Morgan siMMian
January 21, 2009
systems, inc.

12. Process Overview: Create
Target Database
• Create database objects (patch 7225862)
• SYS: addb1020.sql
• SYSTEM: adsy1020.sql
• JVM: adjv1020.sql
• Other: admsc1020.sql
• Post-creation Tasks
• Complete patch 6855589 readme
• Verify SYSTEM grants
• Verify XDB grants
• Compile objects
• Backup the new database
Mark Morgan siMMian
January 21, 2009
systems, inc.

13. Process Overview: Prepare
the Source Database
• System downtime
• Apply database preparation patch 7225862 to apps
tier
• Apply 6855589 to source RDBMS (including
README steps)
• update SYSTEM_PRIVILEGE_MAP (2 SQL
statements)
• Run preclones on both the source database and
apps tiers
• Record Advanced Queue settings
• $AU_TOP/patch/115/sql/auque1.sql
• (generates auque2.sql)
Mark Morgan siMMian
January 21, 2009
systems, inc.

14. Process Overview: Prepare
the Source Database
• Create parameter file for tables with long
columns
• aulong.sql (6723741)
• (aulongexp.dat is generated)
• Remove rebuild index parameter in spatial
indexes
• select * from dba_indexes where
index_type='DOMAIN' and upper(parameters) like
'%REBUILD%';
• alter index <index name> rebuild parameters
<parameters>
Mark Morgan siMMian
January 21, 2009
systems, inc.

15. Process Overview: Export
the Source Database
• Create export directory filesystem
• Copy parameter file from
$AU_TOP/patch/115/import/auexpdp.dat
• Create directory in database
• create directory dmpdir as
'<DUMPDIR>';
• Prepare XMLSchema objects for
migration (doc 402785.1)
Mark Morgan siMMian
January 21, 2009
systems, inc.

16. Process Overview: Export
the Source Database
• Export the instance with expdp, using the
above parameter file
• Export tables with long columns using
aulongexp.dat
• Required SYS connection
• Used 10.1 ORACLE_HOME (bug 4154125)
Mark Morgan siMMian
January 21, 2009
systems, inc.

17. Process Overview: Import the
Target Database
• Create directory in target database
• create directory dmpdir as '<DUMPDIR>';
• Import the users
• impdp parfile=auimpusr.dat
• verify tablespace quotas
• verify user grants and privileges to sys/system objects
• Import tables with long columns
• Modify aufullimp.dat as aulongimp.dat
• file=longexp
• full=y
• imp parfile=aulongimp.dat
• Ignore errors for triggers
Mark Morgan siMMian
January 21, 2009
systems, inc.

18. Process Overview: Import the
Target Database
• Import the Applications database instance
• impdb parfile=auimpdp.dat (6723741)
• expect ORA-31684, ORA-39111, compilation
warnings, trigger errors and BISM constraint
errors
• Import triggers into the target database using
standard import
• create autrigimp.dat from aufullimp.dat (6723741)
• connect as SYS
• ignore=y
• rows=n
Mark Morgan siMMian
January 21, 2009
systems, inc.

19. Process Overview: Update the
Target Database
• Reset Advanced Queues
• run auque2.sql generated above
• Start the database listener
• Run adgrants.sql
• Grant create procedure privilege on CTXSYS
• $AD_TOP/patch/115/sql/adctxprv.sql
• Implement and run AutoConfig on database
tier (165195.1)
Mark Morgan siMMian
January 21, 2009
systems, inc.

20. Process Overview: Update
the Target Database
• Postclone applications tier(s) to point to new
database
• Gather statistics for SYS schema using adstats.sql
• Re-create custom database links
• Create ConText and Spatial objects
• create custom dpost_imp.pl driver from 11i 4872830 and
R12 6723741
• apply with adpatch
• Rebuild XMLSchema Objects per doc 402785.1
Mark Morgan siMMian
January 21, 2009
systems, inc.

21. Process Overview: Post
Migration Tips
• Re-create missing CTXSYS objects
• (427418.1, 372263.1, 141131.1, 459857.1)
• adadmin
• Compile flexfield data in AOL tables
• Recreate grants and synonyms for APPS
schema
• Recreate HRV_PER_PEOPLE_V
• Clear nodes and run autoconfig per doc
260887.1
Mark Morgan siMMian
January 21, 2009
systems, inc.

22. Process Overview: Post
Migration Tips
• Verify BISM Constraints
• ALTER TABLE ADD CONSTRAINT
• Compile invalid objects
• Rebuild nptification queues using wfntfqup.sql
• Gather statistics (optional)
• Start applications tier
• Syncronize Workflow
• Create DQM indexes for Trading Community
Mark Morgan siMMian
January 21, 2009
systems, inc.

23. Q&A
Mark Morgan
DBA Consultant
siMMian systems, inc.
415-585-4242
morgan@simmian.com
Mark Morgan siMMian
January 21, 2009
systems, inc.