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3 10 morgan 3 10 morgan Presentation Transcript

  • Migrating an 11i Database toLinux – Tips, Tricks & Gotchas Mark Morgan DBA Consultant siMMian systems, inc. 415-585-4242 morgan@simmian.com January 21, 2009
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Process Overview: Create Target DatabaseDatapump-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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Q&A Mark Morgan DBA ConsultantsiMMian systems, inc. 415-585-4242morgan@simmian.com Mark Morgan siMMian January 21, 2009 systems, inc.