ORA-02050, ORA-02056, ORA-02063 happened during taking a snapshot of standby statspack using dblink (Doc ID 2281286.1)

Last updated on JULY 16, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

On : 12.1.0.2 version, RDBMS

Environment :

  - This is a Data Guard whcih composed of  4node RAC(Primary side) and  4node RAC(Standby side)

Problem:

  Customer has installed standby statspack for performance tuning. However, when the snapshots of standby statspack were taken using dblink from remote standby nodes,
  The following errors  often happened.   The snapshots of standby statspack are taken every 30 minutes.

Error 2056 trapped in 2PC on transaction 1448.7.162608. Cleaning up.
Error stack returned to user:
ORA-02050: transaction 1448.7.162608 rolled back, some remote DBs may be in-doubt
ORA-02056: 2PC: k2lcom: bad two-phase command number rdonly from coord
ORA-02063: preceding line from STDBY_LINK_LGDMW2P2
 

 

Changes

 Standby statspack  was installed for performance tuning in standby side

Cause

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