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Disabling unshared segment aliasing on AIX for Oracle Database 11.2.0.3



Document Author:

Arun Sar


Document ID:

WP102172


Doc. Organization:

Systems and Technology Group


Document Revised:

08/28/2012


Product(s) covered:

Oracle; Power







Abstract: This Technical Note addresses the issue of when 1 TB unshared segment aliasing is enabled on AIX 7.1 TL0, AIX 6.1 TL6, or higher, Oracle database 11.2.0.3 may run slow with high system time. This issue does not exist with Oracle database 11.2.0.2 or lower. Recommendations to address the issue are provided.

IBM Power Unshared Segment Alias Oracle DB Arun Sar 24AUG2012.pdfIBM Power Unshared Segment Alias Oracle DB Arun Sar 24AUG2012.pdf



Classification:

Hardware

Category:

Planning and Design

Solution(s):

ISV Applications

ISV(s):

Oracle

Platform(s):

IBM Power Systems



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Keywords:

IBM, Power Systems, AIX


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