RMAN Configure Channels vs Duplexed Backupsets

What is the difference between "duplexed backupsets" where I create multiple copies of RMAN backups and "Configuring Specific Channels" where I set channels to backup to two separate disks?  I am using the duplexed backupset feature now to send 2 copies of the RMAN backups to 2 locations.  I was testing the configuration of specific channels but did not see where I waa getting 2 full copies, one on each channel.  For duplexed backupsets I configure:
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 2;
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT   'disk1/backup_%d_%T_%U',   '/disk2/backup_%d_%T_%U' MAXPIECESIZE 4 G;;
For channels I set:
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE CHANNEL 1 DEVICE TYPE DISK FORMAT   '/disk1/backup_%d_%T_%U' MAXPIECESIZE 4 G;
CONFIGURE CHANNEL 2 DEVICE TYPE DISK FORMAT   '/disk2/backup_%d_%T_%U' MAXPIECESIZE 4 G;
but I cannot tell if I am getting 2 backups on the 2 channels or id RMAN is just making one backup and splitting it up on the 2 channels.
If I set the CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2 on the channels, then I get 2 backups to disk1 and none to disk2.
What is the proper way to use channels to get 2 full copies of archivlog and database backups one copy on each channel?

Hello,
i have searched in metalink for a while and yes it is bug.
It is described in metalinknote #6316373.8:
Bug 6316373 - CROSSCHECK identifies some files as EXPIRED
It is really new (from 20-AUG-2008) .. i applied the patch and now it is working fine :-))
So everyone who has the same concept.. please apply this patch.
Regards
Stefan

Similar Messages

  • Difference between RMAN Allocate channel and Configure Channel

    Hello Sir,
    It is a very small problem that the more I study about RMAN I get more confused that what is the difference between Allocate Channel and Configure Channel.
    The thing I understand is that first we allocate channel and then after we configure it for uses.
    Pl. anybody make me clear if it is wrong and please tell me the right theory.
    Thanks and regards

    Hi,
    As Already Aman and Hemant K Chitale .. described the difference..
    Let me put up one thing one thing Ahead... !!
    CONFIGURE CHANNEL takes the same options used to specify one-time options with the ALLOCATE CHANNEL command. You can configure generic channel settings for a device type, that is, a template that is used for any channels created based on configured settings for that device.
    Example :-
    Note that if you use CONFIGURE CHANNEL to specify generic channel settings for a device, any previous settings are discarded, even if the settings are not in conflict. For example, after the second CONFIGURE CHANNEL command, which specifies only the FORMAT for configured disk channels, the MAXPIECESIZE for the disk channel is returned to its default value:
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    If you manually allocate a channel during a job, then RMAN disregards any configured channel settings. For example, assume that the default device type is SBT, and you execute the following command:
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    BACKUP TABLESPACE users;
    Ever thing is in ORACLE Documentation.. . (Pick out the things....)
    http://download-uk.oracle.com/docs/cd/B28359_01/backup.111/b28270/rcmconfb.htm
    Study or Go through Slow and Study... you can understnad ever thing...
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  • RMAN Script & RMAN Configuration

    Dear All,
    This is the first time i am using RMAN. i just wanted to execute the following RMAN script for a testing purpose, for this what are the RMAN configuration i must have to do before executing this script below:
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    startup mount;
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    RMAN configuration parameters for database with db_unique_name DP are:
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    CONFIGURE BACKUP OPTIMIZATION OFF; # default
    CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
    CONFIGURE CONTROLFILE AUTOBACKUP ON;
    CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
    CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default
    CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT 'E:\RMAN\';
    CONFIGURE MAXSETSIZE TO UNLIMITED; # default
    CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
    CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
    CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default
    CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
    CONFIGURE SNAPSHOT CONTROLFILE NAME TO 'E:\APP\10004\PRODUCT\11.2.0\DBHOME_1\DATABASE\SNCFDP.ORA'; # defaultKindly advice me and give me a very clear study for this above parameters
    Regards
    HAMEED
    Once i execute that script i got this following error :
    +RMAN> run {+
    +2> shutdown immediate;+
    +3> startup mount;+
    +4> backup database;+
    +5> alter database open;+
    +6> };+
    database closed
    database dismounted
    Oracle instance shut down
    connected to target database (not started)
    Oracle instance started
    database mounted
    Total System Global Area     770019328 bytes
    Fixed Size                     1374780 bytes
    Variable Size                301991364 bytes
    Database Buffers             461373440 bytes
    Redo Buffers                   5279744 bytes
    Starting backup at 18-MAY-11
    allocated channel: ORA_DISK_1
    channel ORA_DISK_1: SID=134 device type=DISK
    channel ORA_DISK_1: starting full datafile backup set
    channel ORA_DISK_1: specifying datafile(s) in backup set
    input datafile file number=00006 name=E:\APP\10004\ORADATA\DP\HAMEED01.DBF
    input datafile file number=00007 name=E:\APP\10004\ORADATA\DP\ABDUL01.DBF
    input datafile file number=00008 name=E:\APP\10004\ORADATA\DP\TEST01.DBF
    input datafile file number=00001 name=E:\APP\10004\ORADATA\DP\SYSTEM01.DBF
    input datafile file number=00002 name=E:\APP\10004\ORADATA\DP\SYSAUX01.DBF
    input datafile file number=00005 name=E:\APP\10004\ORADATA\DP\EXAMPLE01.DBF
    input datafile file number=00003 name=E:\APP\10004\ORADATA\DP\UNDOTBS01.DBF
    input datafile file number=00004 name=E:\APP\10004\ORADATA\DP\USERS01.DBF
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    RMAN-00571: ===========================================================
    RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
    RMAN-00571: ===========================================================
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    RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
    RMAN-00571: ===========================================================
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    Edited by: Hameed on May 18, 2011 4:59 AM

    Dear Chinar, can you please varify this below ,, is it correct,, after given your setup i ran this script,,,
    Kindly advice me
    Regards
    HAMEED
    RMAN> run
    2> {
    3> backup current controlfile;
    4> }
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    channel ORA_DISK_1: starting full datafile backup set
    channel ORA_DISK_1: specifying datafile(s) in backup set
    including current control file in backup set
    channel ORA_DISK_1: starting piece 1 at 18-MAY-11
    channel ORA_DISK_1: finished piece 1 at 18-MAY-11
    piece handle=E:\RMAN\FULL_06MCLH66_1_1.BK tag=TAG20110518T180910 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
    Finished backup at 18-MAY-11
    Starting Control File Autobackup at 18-MAY-11
    piece handle=E:\RMAN\CFC-796596855-20110518-00 comment=NONE
    Finished Control File Autobackup at 18-MAY-11Edited by: Hameed on May 18, 2011 5:55 AM

  • CONFIGURE CHANNEL DEVICE TYPE DISK  doesn't function

    Dear all,
    I have a problem with a backup.
    Facts:
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    rc=$?
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    if [ $rc != 0 ]
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  • CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT

    Hello everyone.
    The version I am using oracle 11g
    2 questions:
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    rename the extension back to. Bak, one can view the SQL SERVER.
    Thanks,Bye.
    Edited by: rafelbunyol on 04-feb-2009 5:17
    Edited by: rafelbunyol on 04-feb-2009 5:19

    Hi,
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  • Step by Step RMAN configuration for full hot backup daily

    Dear experts,
    i am new to oracle RMAN , i have gone through couple of RMAN guides for configuration ,
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    Edited by: user13376823 on Feb 10, 2011 12:17 PM

    user13376823 wrote:
    Dear all,
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    run
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  • CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT =SHOW DATE

    Hello everyone.
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    rename the extension back to. Bak, one can view the SQL SERVER.
    Thanks,Bye.

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    Regards
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  • RMAN configuration in ORACLE RAC database

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    Balu.

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    I would highly recommend using a CFS (single shared file system where all nodes store their archived redo logs distinguished by thread) to store the archived redo logs, this reduces administration and configuration especially when you get ready to scale.
    Hope this helps.

  • Error while configuring channels in B2B 11g

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    If I remember correctly, you could NOT configure and preserve parameters in 8.1.7 (so CONFIGURE and SHOW are not present in 8.1.7 RMAN).
    You could create scripts with all the required commands and save them to the OS or to the Catalog -- preferably at the OS level so that they can be viewed and edited if the Catalog becomes unavailable.
    Hemant K Chitale

  • No configured channel...

    I'm running Apache, Tomcat, and FDS. I'm getting the message
    "...No configured channel has an endpoint path /messagebroker/amf"
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    is "/messagebroker/amf". However in my services-config.xml I've
    spelled out the whole URI including the HTTP and server name
    values. I compiled the .swl using this endpoint uri value.
    Has anybody else run into this?
    Why am I getting only a partial path name from the
    MessageBrokerServlet?

    Interesting to see that the problem I am having appears to be an old one.
    My situation:
    Flex 3 on Cold Fusion 8 on Vista (with iiS 6 ?) (laptop).
    The application is one I built using one of the Flex 3 wizards.  Its a simple CRUD form based on a database table.
    Run for the first time, it fails with the (browser) error dialog message:
    (mx.rpc::Fault)#0
      content = (Object)#1
      errorID = 0
      faultCode = "Channel.Call.Failed"
      faultDetail = "NetConnection.Call.Failed: HTTP: Status 500"
      faultString = "error"
      message = "faultCode:Channel.Call.Failed faultString:'error' faultDetail:'NetConnection.Call.Failed: HTTP: Status 500'"
      name = "Error"
      rootCause = (Object)#2
        code = "NetConnection.Call.Failed"
        description = "HTTP: Status 500"
        details = "http://localhost/flex2gateway/"
        level = "error"
    In the coldfusion_out.log appears the following (truncated) error message:
    28/08 15:49:07 error No configured channel has an endpoint path '/flex2gateway/index.cfm'.
    [1]flex.messaging.MessageException: No configured channel has an endpoint path '/flex2gateway/index.cfm'.
    at flex.messaging.MessageBroker.getEndpoint(MessageBroker.java:499)
    at flex.messaging.MessageBrokerServlet.service(MessageBrokerServlet.java:427)
    at coldfusion.flex.ColdFusionMessageBrokerServlet.service(ColdFusionMessageBrokerServlet.jav a:50)
    The problem appears to be an old one, but I've not been able to find what must be the common solution to it.
    can someone please point me in the right direction ?
    Oh and yes, I am compiling with the above -services switch, and it is pointing to the location of the correct file.
    Any help will be appreciated.

  • Help! 500 No configured channel has an endpoint path '/flex2gateway/'

    Hello. I have 2 servers running CF 7 and one of my customer's web sites flex app works fine with no config involved. However, the development server gives the following Error when you try and access the app:
    500 No configured channel has an endpoint path '/flex2gateway/'.
    No configured channel has an endpoint path '/flex2gateway/'.
    Can somone please provide some insight as to what needs to be done? Thank you in advance! 

    You're welcome, good luck.
    Sincerely,
    Michael
    El 30/04/2009, a las 19:28, clearbreak <[email protected]> escribió:
    >
    Yes. Thanks. I think the problem has to do with the flex-config.xml. 
    I will let you know if that is the problem. Thank you for your 
    suggestions and input.
    >

  • RMAN Configuration Hisotry

    Hello Folks,
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    Thanks.

    Hi again!
    Sorry! NO it is really impossible. There is no table and no view in oracle that is able to show you an old rman configuration!
    regards

  • 500 No configured channel has an endpoint path '/flex2gateway/'

    We are trying to install a Flex2 app that uses remoting on
    CFMX 7.02. It's the J2EE edition that runs on a JRun4 server.
    Somehow the communication betweenn the server and the Flexapp won't
    work. It results in an error:
    500 No configured channel has an endpoint path
    '/flex2gateway/'
    Does anybody knows what is going on?
    Thanks!

    Interesting to see that the problem I am having appears to be an old one.
    My situation:
    Flex 3 on Cold Fusion 8 on Vista (with iiS 6 ?) (laptop).
    The application is one I built using one of the Flex 3 wizards.  Its a simple CRUD form based on a database table.
    Run for the first time, it fails with the (browser) error dialog message:
    (mx.rpc::Fault)#0
      content = (Object)#1
      errorID = 0
      faultCode = "Channel.Call.Failed"
      faultDetail = "NetConnection.Call.Failed: HTTP: Status 500"
      faultString = "error"
      message = "faultCode:Channel.Call.Failed faultString:'error' faultDetail:'NetConnection.Call.Failed: HTTP: Status 500'"
      name = "Error"
      rootCause = (Object)#2
        code = "NetConnection.Call.Failed"
        description = "HTTP: Status 500"
        details = "http://localhost/flex2gateway/"
        level = "error"
    In the coldfusion_out.log appears the following (truncated) error message:
    28/08 15:49:07 error No configured channel has an endpoint path '/flex2gateway/index.cfm'.
    [1]flex.messaging.MessageException: No configured channel has an endpoint path '/flex2gateway/index.cfm'.
    at flex.messaging.MessageBroker.getEndpoint(MessageBroker.java:499)
    at flex.messaging.MessageBrokerServlet.service(MessageBrokerServlet.java:427)
    at coldfusion.flex.ColdFusionMessageBrokerServlet.service(ColdFusionMessageBrokerServlet.jav a:50)
    The problem appears to be an old one, but I've not been able to find what must be the common solution to it.
    can someone please point me in the right direction ?
    Oh and yes, I am compiling with the above -services switch, and it is pointing to the location of the correct file.
    Any help will be appreciated.

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