Rman backupset 관련 질문

rman 백업에 관해 질문드립니다.
모하나 해결하면 한도끝도 없이 터지네요. ^^;;;
rman백업할때 backup set을 만들고 나서 백업이 이루어지는걸로 알고 있습니다.
max값이 5이고 이거는 dbf 파일 갯수를 의미하는것 같은데요.
현재 rman 백업 셋팅한 곳이 디비파일이 이미지파일이라 사이즈가 큰 편입니다.
가장 큰 파일은 하나에 20g이지만..다른 사이트는 훨씬 더 큰곳도 많을거라는 생각은 드네요.
백업만 돌면 backup set을 만들면서 오라클 홈쪽이 full이 나버리네요.
백업이 시작되면 약간의 여유공간이 필요한 건 알고 있었는데...
이게 버퍼 사이즈 정도라고만 생각하고 max 2g 라고 생각했는데..(문서찾아보니..그런의미인듯해서요;;)
현재 오라클 홈이 available 공간이 20g 였는데....
backup set을 만들면서 bk_%s_%t 모 어쩌구 라고 시작되는 파일이 생기잖아요..format에 따라.
그 bk로 시작되는 파일이 5~6개가 생겼는데... 공간이 full나니까 더이상 생기지도 못하고..에러가 나버렸네요..
스크립트에 FILERSPERSET = 5 를 "2" 로 바꿨거든요...
그래도 마찬가지네요. ㅠㅠ
궁금한거는... dbf 파일의 용량에 따라서 backupset을 만들때 필요한 여유공간이 어느정도로 잡아야하나요..??
20g 갖고도 백업할때 용량이 모자른다는거는 말이 안되는거같아서요...
왜냐면..기존에 레가토 넷워커로 rman백업이 정상적으로 진행이 되고 있었거든요.
근데 넷백업으로 설정만 하면 이런 에러가 발생을 합니다.
그리고 스크립트중에 ALLOCATE CHANNEL ch00 TYPE DISK; <--부분에 수정이 필요한건 아닌가요??
테잎이 아닌 디스크로 받고 있거든요.
저 DISK 부분에 절대경로로 적어줘야되는건지...
그리고 디스크백업을 받을때에는 무언가 다른 옵션을 더 넣어줘야 하는지...해서요..
답변 부탁드립니다. plz.................... ㅠ.ㅠ
첨가.
아래와 같이 타겟서버의 변수값에 MAXSETSIZE값을 지정해주어서 백업셋을 만들때 제한을 두게끔..
설정을 하는건 아닌지.... 문서 찾다가 아래 찾았네요.
우선은 테스트 중이긴 한데요...결과도 알려드릴께요.
아시는 분은 답변 부탁드립니다.
(참고로 script의 allocate backup type to disk <--- 모 이부분 밑에다가 MAXPIECESIZE = 4g 할당해죠도 넘어버리네요;;)
RMAN> CONFIGURE MAXSETSIZE TO 1500m;
NOTE: Take careful note when setting this parameter. While the size of your database may be small enough for MAXSETSIZE, your database may grow beyond beyond MAXSETSIZE which will cause your database backups to fail.
For some time, there have been some question as to what this parameter limits. While the documentation states that it limits the size of a backup set, it seems to place limits on the datafile sizes - even though I am using backup sets and not image copies. For example, I have set MAXSETSIZE to 500m and attempted to backup a database, only to get the error: <PRE>RMAN-06183: datafile or datafilecopy larger than SETSIZE: file# 1 /u10/app/oradata/TARGDB/users01.dbf</PRE>The file (users01.dbf) is larger than 500MB but the backupset is considerably smaller than that (there is very little data in there at present). The Oracle documentation states that MAXSETSIZE limits the size of the backupsets, NOT the size of the datafiles which can be backed-up. All I can say, is that Oracle states that this is expected behavior, and I think it is a bug in the documentation.

RMAN> list backup of tablespace tools;
BS Key Type LV Size Device Type Elapsed Time Completion Time
65 Full 8.60M DISK 00:00:26 31-MAR-10
BP Key: 65 Status: AVAILABLE Compressed: NO Tag: TAG20100331T165859
Piece Name: D:\DF_ROCK_55_1_715107540.BAK
List of Datafiles in backup set 65
File LV Type Ckp SCN Ckp Time Name
9 Full 654488210 31-MAR-10 D:\ORACLE\PRODUCT\10.2.0\ORADATA\ROCK\TOOLS01.DBF
RMAN>
-- The BS is 65 returned from above list command whereas its 55 in physical locaction... ? why?
please help..

Similar Messages

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    user12043880 wrote:
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    Edited by: feverlove on Oct 21, 2012 3:43 PM
    Edited by: feverlove on Oct 21, 2012 3:46 PM

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    CONFIGURE DEVICE TYPE DISK  BACKUP TYPE TO BACKUPSET;Thanks.

    Dear friend, BACKUPSET is a repository where all the backedup datafiles,controlfiles,archivelog files and spfile are stored as one SET. Where are if you mention you use COPY then each file that has been copies will be kept in each separate file.
    You can get better idea if you look below...
    RMAN> CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COPY;
    old RMAN configuration parameters:
    CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO BACKUPSET PARALLELISM 1;
    new RMAN configuration parameters:
    CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COPY PARALLELISM 1;
    new RMAN configuration parameters are successfully stored
    released channel: ORA_DISK_1
    RMAN> backup database;
    Starting backup at 07-FEB-10
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting datafile copy
    input datafile fno=00001 name=D:\ORACLE\PRODUCT\11.1.0\ORADATA\PROD11G\SYSTEM01.DBF
    output filename=D:\ORACLE\PRODUCT\11.1.0\DB_1\DATABASE\DATA_D-PROD11G_I-4206195613_TS-SYSTEM_FNO-1_1BL5E57D tag=TAG20100207T1
    *52741 recid=5 stamp=710350116*channel ORA_DISK_1: datafile copy complete, elapsed time: 00:02:02
    channel ORA_DISK_1: starting datafile copy
    input datafile fno=00002 name=D:\ORACLE\PRODUCT\11.1.0\ORADATA\PROD11G\SYSAUX01.DBF
    output filename=D:\ORACLE\PRODUCT\11.1.0\DB_1\DATABASE\DATA_D-PROD11G_I-4206195613_TS-SYSAUX_FNO-2_1CL5E5B7 tag=TAG20100207T1
    *52741 recid=6 stamp=710350231*channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:54
    channel ORA_DISK_1: starting datafile copy
    input datafile fno=00004 name=D:\ORACLE\PRODUCT\11.1.0\ORADATA\PROD11G\USERS01.DBF
    output filename=D:\ORACLE\PRODUCT\11.1.0\DB_1\DATABASE\DATA_D-PROD11G_I-4206195613_TS-USERS_FNO-4_1DL5E5CT tag=TAG20100207T15
    *2741 recid=7 stamp=710350255*channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:23
    channel ORA_DISK_1: starting datafile copy
    input datafile fno=00003 name=D:\ORACLE\PRODUCT\11.1.0\ORADATA\PROD11G\UNDOTBS01.DBF
    output filename=D:\ORACLE\PRODUCT\11.1.0\DB_1\DATABASE\DATA_D-PROD11G_I-4206195613_TS-UNDOTBS1_FNO-3_1EL5E5DK tag=TAG20100207
    T152741 recid=8 stamp=710350276channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:23
    channel ORA_DISK_1: starting datafile copy
    input datafile fno=00005 name=D:\ORACLE\PRODUCT\11.1.0\ORADATA\PROD11G\DATA_TS.DBF
    output filename=D:\ORACLE\PRODUCT\11.1.0\DB_1\DATABASE\DATA_D-PROD11G_I-4206195613_TS-DATA_TS_FNO-5_1FL5E5EC tag=TAG20100207T
    *152741 recid=9 stamp=710350293*channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:11
    channel ORA_DISK_1: starting datafile copy
    input datafile fno=00006 name=D:\ORACLE\PRODUCT\11.1.0\ORADATA\PROD11G\ONE.DBF
    output filename=D:\ORACLE\PRODUCT\11.1.0\DB_1\DATABASE\DATA_D-PROD11G_I-4206195613_TS-ONE_FNO-6_1GL5E5EN tag=TAG20100207T1527
    *41 recid=10 stamp=710350304*
    channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:09
    Finished backup at 07-FEB-10
    Starting Control File and SPFILE Autobackup at 07-FEB-10
    piece handle=D:\ORACLE\PRODUCT\11.1.0\DB_1\DATABASE\C-4206195613-20100207-03 comment=NONE
    Finished Control File and SPFILE Autobackup at 07-FEB-10
    If you go for BACKUPSET,
    RMAN> CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO BACKUPSET;
    old RMAN configuration parameters:
    CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COPY PARALLELISM 1;
    new RMAN configuration parameters:
    CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO BACKUPSET PARALLELISM 1;
    new RMAN configuration parameters are successfully stored
    released channel: ORA_DISK_1
    RMAN> backup database format 'c:\backupset';
    Starting backup at 07-FEB-10
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting full datafile backupset
    channel ORA_DISK_1: specifying datafile(s) in backupset
    input datafile fno=00001 name=D:\ORACLE\PRODUCT\11.1.0\ORADATA\PROD11G\SYSTEM01.DBF
    input datafile fno=00002 name=D:\ORACLE\PRODUCT\11.1.0\ORADATA\PROD11G\SYSAUX01.DBF
    input datafile fno=00004 name=D:\ORACLE\PRODUCT\11.1.0\ORADATA\PROD11G\USERS01.DBF
    input datafile fno=00003 name=D:\ORACLE\PRODUCT\11.1.0\ORADATA\PROD11G\UNDOTBS01.DBF
    input datafile fno=00005 name=D:\ORACLE\PRODUCT\11.1.0\ORADATA\PROD11G\DATA_TS.DBF
    input datafile fno=00006 name=D:\ORACLE\PRODUCT\11.1.0\ORADATA\PROD11G\ONE.DBF
    channel ORA_DISK_1: starting piece 1 at 07-FEB-10
    channel ORA_DISK_1: finished piece 1 at 07-FEB-10
    piece handle=C:\BACKUPSET tag=TAG20100207T151443 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:02:24
    Finished backup at 07-FEB-10
    Starting Control File and SPFILE Autobackup at 07-FEB-10
    piece handle=D:\ORACLE\PRODUCT\11.1.0\DB_1\DATABASE\C-4206195613-20100207-02 comment=NONE
    Finished Control File and SPFILE Autobackup at 07-FEB-10
    I hope I cleared your doubt..
    Shafiulla Syed

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