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RE: Snapshot too old in undo tablespace in 9i?

From: Guerra, Abraham J <AGUERRA_at_amfam.com>
Date: Tue, 05 Aug 2003 10:59:23 -0800
Message-ID: <F001.005C90D7.20030805105923@fatcity.com>


Thanks.

Abraham

-----Original Message-----
Sent: Tuesday, August 05, 2003 12:35 PM
To: Multiple recipients of list ORACLE-L

retention time --- set it for a couple of hours longer than you think the export will take.

                                                                                                                                       
                      "Guerra, Abraham                                                                                                 
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Hello Group,

I just upgraded a database to Oracle 9.2.0.3 from 8.1.7.  I created an undo tablespace with 10 (default) undo segments... however, during an export I got the following message:

ORA-01555: snapshot too old: rollback segment number 15 with name " _SYSSMU15$" too small

I thought this was a thing of the past... According to the documentation, if an undo segment gets full, it starts using idle ones... also, the undo tablespace still had a lot of room to grow...

Any insights will be welcome.

Thanks

Abraham Guerra
Oracle DBA
American Family Insurance

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Author: Guerra, Abraham J
  INET: AGUERRA_at_amfam.com
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San Diego, California        -- Mailing list and web hosting services
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