RMAN RAC 到 單實例 duplicate 自動分配通道 觸發 ORA-19505 錯誤

用RMAN Duplicate來搭建RAC 到 單實例的Data Guard，結果在duplicate時，觸發ORA-19505的錯誤，以下：

ORA-19505:failed to identify file "/u01/app/oracle/11.2.0/db_1/dbs/orapwdave1"

 

看了一下log，修改了一下通道數量，再次duplicate 成功。

 

一. 報錯的狀況

RMAN> show all;

 

RMAN configuration parameters for databasewith db_unique_name DAVE are:

CONFIGURE RETENTION POLICY TO REDUNDANCY 1;# default

CONFIGURE BACKUP OPTIMIZATION OFF; # default

CONFIGURE DEFAULT DEVICE TYPE TO DISK; #default

CONFIGURE CONTROLFILE AUTOBACKUP OFF; #default

CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FORDEVICE TYPE DISK TO '%F'; # default

CONFIGURE DEVICE TYPEDISK PARALLELISM 4 BACKUP TYPE TO BACKUPSET;

CONFIGURE DATAFILE BACKUP COPIES FOR DEVICETYPE DISK TO 1; # default

CONFIGURE ARCHIVELOG BACKUP COPIES FORDEVICE TYPE DISK TO 1; # default

CONFIGURE MAXSETSIZE TO UNLIMITED; #default

CONFIGURE ENCRYPTION FOR DATABASE OFF; #default

CONFIGURE ENCRYPTION ALGORITHM 'AES128'; #default

CONFIGURE COMPRESSION ALGORITHM 'BASIC' ASOF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default

CONFIGURE ARCHIVELOG DELETION POLICY TONONE; # default

CONFIGURE SNAPSHOT CONTROLFILE NAME TO'/u01/app/oracle/11.2.0/db_1/dbs/snapcf_dave1.f'; # default

 

 

 

RMAN> duplicate targetdatabase for standby from active database;

 

Starting Duplicate Db at 03-JUL-13

using target database control file insteadof recovery catalog

allocated channel: ORA_AUX_DISK_1

channel ORA_AUX_DISK_1: SID=19 devicetype=DISK

allocated channel: ORA_AUX_DISK_2

channel ORA_AUX_DISK_2: SID=20 devicetype=DISK

allocated channel: ORA_AUX_DISK_3

channel ORA_AUX_DISK_3: SID=21 devicetype=DISK

allocated channel: ORA_AUX_DISK_4

channel ORA_AUX_DISK_4: SID=22 devicetype=DISK

 

contents of Memory Script:

{

  backup as copy reuse

  targetfile '/u01/app/oracle/11.2.0/db_1/dbs/orapwdave1' auxiliary format

 '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/orapwdave'   ;

}

executing Memory Script

 

Starting backup at 03-JUL-13

allocated channel: ORA_DISK_1

channel ORA_DISK_1:SID=43 instance=dave2 device type=DISK

allocated channel: ORA_DISK_2

channel ORA_DISK_2:SID=63 instance=dave1 device type=DISK

allocated channel: ORA_DISK_3

channel ORA_DISK_3:SID=42 instance=dave2 device type=DISK

allocated channel: ORA_DISK_4

channel ORA_DISK_4:SID=55 instance=dave1 device type=DISK

RMAN-00571:===========================================================

RMAN-00569: =============== ERROR MESSAGESTACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03002: failure of Duplicate Db commandat 07/03/2013 01:44:01

RMAN-05501: aborting duplication of targetdatabase

RMAN-03015: error occurred in stored scriptMemory Script

RMAN-03009: failure of backup command onORA_DISK_1 channel at 07/03/2013 01:44:01

ORA-19505: failed toidentify file "/u01/app/oracle/11.2.0/db_1/dbs/orapwdave1"

ORA-27037: unable toobtain file status

Linux-x86_64 Error: 2: Nosuch file or directory

Additional information: 3

 

這裏的文件我以前建立過，在每一個節點都存在。

 

 

二. 修改通道後成功執行

 

RMAN> configuredevice type disk parallelism 2;

 

old RMAN configuration parameters:

CONFIGURE DEVICE TYPE DISK PARALLELISM 4BACKUP TYPE TO BACKUPSET;

new RMAN configuration parameters:

CONFIGURE DEVICE TYPE DISK PARALLELISM 2BACKUP TYPE TO BACKUPSET;

new RMAN configuration parameters aresuccessfully stored

released channel: ORA_DISK_1

released channel: ORA_DISK_2

released channel: ORA_DISK_3

released channel: ORA_DISK_4

released channel: ORA_AUX_DISK_1

released channel: ORA_AUX_DISK_2

released channel: ORA_AUX_DISK_3

released channel: ORA_AUX_DISK_4

 

RMAN> duplicate targetdatabase for standby from active database;

 

Starting Duplicate Db at 03-JUL-13

allocated channel: ORA_AUX_DISK_1

channel ORA_AUX_DISK_1: SID=19 devicetype=DISK

allocated channel: ORA_AUX_DISK_2

channel ORA_AUX_DISK_2: SID=20 devicetype=DISK

 

contents of Memory Script:

{

  backup as copy reuse

  targetfile '/u01/app/oracle/11.2.0/db_1/dbs/orapwdave1' auxiliary format

 '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/orapwdave'   ;

}

executing Memory Script

 

Starting backup at 03-JUL-13

allocated channel: ORA_DISK_1

channel ORA_DISK_1:SID=63 instance=dave1 device type=DISK

allocated channel: ORA_DISK_2

channel ORA_DISK_2:SID=55 instance=dave1 device type=DISK

Finished backup at 03-JUL-13

 

contents of Memory Script:

{

  backup as copy current controlfile for standby auxiliary format  '/u01/app/oracle/oradata/dave/control01.ctl';

  restore clone controlfile to '/u01/app/oracle/fast_recovery_area/dave/control02.ctl' from

 '/u01/app/oracle/oradata/dave/control01.ctl';

}

executing Memory Script

 

 

 

緣由根據紅色標記處思考。 我這裏是經過修改通道數量來解決的，還有另外一種解決方法，就是分別在兩個節點建立另外一個節點的口令文件。

 

有興趣的同窗，能夠本身測試一下。

 

 

 

 

 

 

 

 

 

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