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  • OracleTroubleshoot

    ORA-16198: Timeout incurred on internal channel during remote archival Dataguard

    by tuanlp September 27, 2023
    by tuanlp September 27, 2023

      ERROR: Redo transport problem detected: redo transport to database orcl has the following error: ORA-03111: break received on communication channel Redo transport problem detected: redo transport to database orcl …

  • Backup&RecoveryOracle

    Backup and restore example with password encryption in Oracle

    by tuanlp September 27, 2023
    by tuanlp September 27, 2023

     Following are the things for running the RMAN Backup with Password Protected: Set the configuration of RMAN to use Encryption: — Check the configuration RMAN> Show all; — Set the …

  • Backup&RecoveryOracle

    Scheduled RMAN Backup without password in Script in DBMS Scheduler

    by tuanlp September 27, 2023
    by tuanlp September 27, 2023

     RMAN Backup can be scheduled in DBMS SCHEDULER without using password script at Operating system but you have to create credential for Operating system user for that. Following are the …

  • OracleTroubleshoot

    ORA-16857: member disconnected from redo source for longer than specified threshold

    by tuanlp September 27, 2023
    by tuanlp September 27, 2023

     Parameter used to get this warning error is TransportDisconnectedThreshold Parameter. It value defined in seconds. Default value : 30 seconds, We can also set the parameter to zero value to …

  • OracleTroubleshoot

    ORA-16853: apply lag has exceeded specified threshold

    by tuanlp September 27, 2023
    by tuanlp September 27, 2023

     Getting following warning in one of the standby server in Dataguard environment: Error: ORA-16853: apply lag has exceeded specified threshold On Oracle ORA ERROR C:\Oracle>oerr ora 16853 16853,0000, “apply lag …

  • OracleTroubleshoot

    ORA-16855:transport lag exceeded specific threshold

    by tuanlp September 27, 2023
    by tuanlp September 27, 2023

     In one of the DR system, we are getting the following Warning ORA-16855:transport lag exceeded specific threshold On Oracle check ORA error: ORA-16855 Description: transport lag has exceeded specified threshold …

  • OracleTroubleshoot

    ORA-27038: created file already exists in EXPDP datapump

    by tuanlp September 27, 2023
    by tuanlp September 27, 2023

     Error ORA-31641: unable to create dump file “C:employee.dmp” ORA-27038: created file already exists C:\windows\system32>expdp directory=dbbackup dumpfile=employee.dmp logfile=employee.log Export: Release 18.0.0.0.0 – Production on Mon Apr 13 09:33:27 2020 Version 18.4.0.0.0 …

  • Backup&RecoveryOracle

    ENCRYPTION in EXPDP and IMPDP datapump jobs in Oracle

    by tuanlp September 27, 2023
    by tuanlp September 27, 2023

      ENCRYPTION in EXPDP and IMPDP datapump jobs in Oracle During the EXPDP job we can implement more security with dump file. so that other will not able to restore …

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My name is Tuanlp, freelance Sys Admins in HaNoi, VietNam. Welcome to my internet journal where I started my learning journey.

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