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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:

IBM Systems


Document Revised:

10/07/2015


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 is specific to 11.2.0.3 and does not impact 11.2.0.2 and lower, 11.2.0.4 or 12cR1 . Recommendations to address the issue are provided.

IBM Power Unshared  Segment Alias Oracle DB _Sar_ 07OCT2015 .pdfIBM Power Unshared Segment Alias Oracle DB _Sar_ 07OCT2015 .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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