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9i / 9iRAC : Segment_Space_Management AUTO, with LOB Segments

From: Hemant K Chitale <hkchital_at_singnet.com.sg>
Date: Fri, 13 Dec 2002 19:18:39 -0800
Message-ID: <F001.00519C18.20021213191839@fatcity.com>

The first time we tried importing our 8.1.5 [OPS] database into 9.0.1 and 9.2.0.1 with
EXTENT_MANAGEMENT Local for ALL tablespaces SEGMENT_SPACE_MANAGEMENT Auto
we found that tables with LOB segments could not be created. This was a 9.0.1 bug which was expected to have been fixed in 9.2
[I believe it was Bug 1626182, referenced in Note 159078.1]

However, after going to 9.2.0.2, I WAS able to create such tables in the database.
[the Patchset Notes include a reference to Bug 2326066.
Unfortunately, I can't see either bug on MetaLink to verify if both are the same issue]

9iRAC strongly recommends SEGMENT_SPACE_MANAGEMENT Auto instead of using Free_Lists and Free_List_Groups. [Part 3, Appendix B of the 9iRAC Deployment and Performance manual].

Are there any real-life experiences / gotchas with LOB Segments in Locally Managed Tablespaces and Segment_Space_Management Auto ? There seem to be a number of bug-fixes for Segment_Space_Management=AUTO in the 9.2.0.2 PatchSet Release Notes.

Hemant K Chitale
My web site page is : http://hkchital.tripod.com

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Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Hemant K Chitale
  INET: hkchital_at_singnet.com.sg

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Received on Fri Dec 13 2002 - 21:18:39 CST

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