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ORA-00257 – archiver error. Connect internal only, until freed

06 Okt

ORA-00257 – archiver error. Connect internal only, until freed   Texte aus oerr unter Linux   00257, 00000, “archiver error. Connect internal only, until freed.” // *Cause:  The archiver process received an error while trying to archive //       a redo log.  If the problem is not resolved soon, the database //       will stop executing transactions. […]

ORA-01555 – snapshot too old

03 Feb

Datum: 30.06.2016 a)    Texte aus oerr unter Linux 01555, 00000, “snapshot too old: rollback segment number %s with name \”%s\” too small” // *Cause: rollback records needed by a reader for consistent read are //         overwritten by other writers // *Action: If in Automatic Undo Management mode, increase undo_retention //          setting. Otherwise, use larger rollback […]