Re: Oracle 11g: problem with datapump

From: ddf <oratune_at_msn.com>
Date: Fri, 16 May 2014 07:25:15 -0700 (PDT)
Message-ID: <28b3958c-6a47-4f21-b120-22caf610b5e2_at_googlegroups.com>


On Friday, May 16, 2014 1:53:58 AM UTC-6, Robert Grzesiak wrote:
> W dniu czwartek, 15 maja 2014 17:42:10 UTC+2 użytkownik ddf napisał:
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> > On Thursday, May 15, 2014 4:00:13 AM UTC-6, Robert Grzesiak wrote:
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> > > Welcome,
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> > > I have problem with datapump exp/imp using DBMS_DATAPUMP package:
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> > > This problem occures same times, not always in RAC, in cases:
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> > > - start running 1 job exp from DBO schema, next start running 2nd exp job from the same schema with another SCN
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> > > - parallel runs 2 jobs: exp from DBO schema and imp on the another schema
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> > > - other cases - generally if parallel runs exp and imp jobs on the same time
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> > > errors, for example (not always the same tables):
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> > > ORA-31693: Nie udało się wczytać/usunąć z pamięci obiektu "DBO"."SYSYSPAR" danych tabeli; obiekt jest pomijany wskutek błędu:
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> > > ORA-02354: błąd podczas eksportowania/importowania danych
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> > > ORA-01466: nie można odczytać danych - definicja tabeli jest zmieniona
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> > > ORA-31693: Nie udało się wczytać/usunąć z pamięci obiektu "PROC"."PRREL_R" danych tabeli; obiekt jest pomijany wskutek błędu:
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> > > ORA-02354: błąd podczas eksportowania/importowania danych
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> > > ORA-01466: nie można odczytać danych - definicja tabeli jest zmieniona
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> > > I thing that it is same internal problem with datapump with parallel tasks.
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> > > If jobs runs sequentially everything is ok...
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> > > Regards
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> > > Robert
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> > It isn't an internal problem, you are trying to export the same data from two different snapshots at basically the same time.
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> > That's what the series of error messages is telling you.
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> > David Fitzjarrell
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> Exactly: I'm starting expdp 1 with slashback_scn 1 and after few/several minutes I'm starting expdp 2 with slashback_scn 2, because next, using impdp I need 2 different new schemas with the specified scn's state.
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> But... Why I can't do it parallely ? Is there any restriction in flashback mechanism on it ? If I do it sequentially: exp1 on scn1 and next after finishing start exp2 on scn2 - everything is ok.
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> Regards
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> Robert

Post the exact expdp command you are using. Without that information no one can help you solve this issue.

David Fitzjarrell Received on Fri May 16 2014 - 16:25:15 CEST

Original text of this message