rman backup takes too long time on oracle 10g












0















i have a problem that my rman backup on sl45 tape drive takes 2 days to backup 450GB database, the problem that the log shows that the backup waits too long periods between finishing a certain task and start another task F.E:



Finished backup at 21-MAR-2019:19:28:01



Starting backup at 22-MAR-2019:08:33:21



these 2 tasks in the same backup session, i dont know why it takes too long time between tasks... my backup script is:-



connect target /;
run {
allocate channel ch1 type 'sbt_tape' parms 'ENV=(OB_MEDIA_FAMILY=IMC_ONLINE_DB)' ;
allocate channel ch2 type 'sbt_tape' parms 'ENV=(OB_MEDIA_FAMILY=IMC_ONLINE_DB)' ;
sql'ALTER SYSTEM ARCHIVE LOG CURRENT';
BACKUP INCREMENTAL LEVEL 0 DATABASE INCLUDE CURRENT CONTROLFILE PLUS ARCHIVELOG;



please advice










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    i have a problem that my rman backup on sl45 tape drive takes 2 days to backup 450GB database, the problem that the log shows that the backup waits too long periods between finishing a certain task and start another task F.E:



    Finished backup at 21-MAR-2019:19:28:01



    Starting backup at 22-MAR-2019:08:33:21



    these 2 tasks in the same backup session, i dont know why it takes too long time between tasks... my backup script is:-



    connect target /;
    run {
    allocate channel ch1 type 'sbt_tape' parms 'ENV=(OB_MEDIA_FAMILY=IMC_ONLINE_DB)' ;
    allocate channel ch2 type 'sbt_tape' parms 'ENV=(OB_MEDIA_FAMILY=IMC_ONLINE_DB)' ;
    sql'ALTER SYSTEM ARCHIVE LOG CURRENT';
    BACKUP INCREMENTAL LEVEL 0 DATABASE INCLUDE CURRENT CONTROLFILE PLUS ARCHIVELOG;



    please advice










    share|improve this question







    New contributor




    Medo Man is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      i have a problem that my rman backup on sl45 tape drive takes 2 days to backup 450GB database, the problem that the log shows that the backup waits too long periods between finishing a certain task and start another task F.E:



      Finished backup at 21-MAR-2019:19:28:01



      Starting backup at 22-MAR-2019:08:33:21



      these 2 tasks in the same backup session, i dont know why it takes too long time between tasks... my backup script is:-



      connect target /;
      run {
      allocate channel ch1 type 'sbt_tape' parms 'ENV=(OB_MEDIA_FAMILY=IMC_ONLINE_DB)' ;
      allocate channel ch2 type 'sbt_tape' parms 'ENV=(OB_MEDIA_FAMILY=IMC_ONLINE_DB)' ;
      sql'ALTER SYSTEM ARCHIVE LOG CURRENT';
      BACKUP INCREMENTAL LEVEL 0 DATABASE INCLUDE CURRENT CONTROLFILE PLUS ARCHIVELOG;



      please advice










      share|improve this question







      New contributor




      Medo Man is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      i have a problem that my rman backup on sl45 tape drive takes 2 days to backup 450GB database, the problem that the log shows that the backup waits too long periods between finishing a certain task and start another task F.E:



      Finished backup at 21-MAR-2019:19:28:01



      Starting backup at 22-MAR-2019:08:33:21



      these 2 tasks in the same backup session, i dont know why it takes too long time between tasks... my backup script is:-



      connect target /;
      run {
      allocate channel ch1 type 'sbt_tape' parms 'ENV=(OB_MEDIA_FAMILY=IMC_ONLINE_DB)' ;
      allocate channel ch2 type 'sbt_tape' parms 'ENV=(OB_MEDIA_FAMILY=IMC_ONLINE_DB)' ;
      sql'ALTER SYSTEM ARCHIVE LOG CURRENT';
      BACKUP INCREMENTAL LEVEL 0 DATABASE INCLUDE CURRENT CONTROLFILE PLUS ARCHIVELOG;



      please advice







      backup rman






      share|improve this question







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      share|improve this question






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      asked 11 mins ago









      Medo ManMedo Man

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