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Home -> Community -> Mailing Lists -> Oracle-L -> Re: Snapshot too old in undo tablespace in 9i?
retention time --- set it for a couple of hours longer than you think the export will take.
"Guerra, Abraham
J" <AGUERRA To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
@amfam.com> cc:
Sent by: Subject: Snapshot too old in undo tablespace in 9i?
ml-errors
08/05/2003 01:24
PM
Please respond
to ORACLE-L
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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