Restoring whole db Online backup with redologs backup

Dear all,
I am planning to restore a whole DB online + redo logs backup, i have few doubts . please confirm..
On Step 8, Restore and apply archivelog files ...
First sequence number (first_seq) .. (eg) 7276
Last sequence number (last_seq) .. (eg) 7278
we probably only have to mention the last_seq.... Now question is , is this the last archive created when the backup finished...(ie 7278) and in the backup log, it was mentioned that the Next archivelog is 7279...
another question , when we are restoring this backup next day , can we apply archives created after 7278 to achive DB point in time..
Thanks & regards
Adnan

Hi
U have to recover the databse using the archive files after the backup was taken.
The archive files should be copied from the source system to the target but make sure that u rename those archive files as acceptable to the target system ie log_archive_format parameter of the target system. ie sid should be there in the name of the archive files.
One more thing if u wish to keep the target DB in sync with the source DB then u would need to apply all the archive files generated after the online backup was taken.
Make sure to open the database in resetlogs mode
In short the steps wud be as follows.
1. Issue the following in ur source system
alter database backup controlfile to trace ; .
2.Modify the .trc file as below created under usertrace directory which generally shud be /oracle/SID/saptrace/usertrace
a. CREATE CONTROLFILE SET DATABASE "Target_SID" NORESETLOGS ARCHIVELOG
b.The directory structures of the redo log and datafiles as per the directory structure available in ur target system.
c.Remove all other lines from the file ur file should end with like character set ...;
d. Save the file as something.sql and copy it to the target system.
3. Restore the online backup on the target system ...don't need to restore the redo log files.
Also copy the archive file from the source system to the target system and rename them as per target system.
4. In the target system connect as sysdba
SQL> startup nomount
SQL> @something.sql
It wud say control file created and the DB will be mounted .
5. Now issue the command
Recover database using backup controlfile;
Apply the archives when done issue the following
alter database open resetlogs;
Regards
Kausik

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Database log mode              Archive Mode
Automatic archival             Enabled
Archive destination            D:\oracle\IBQ\oraarch\IBQarch
Archive format                 ARC%S_%R.%T
Oldest online log sequence     308
Next log sequence to archive   311
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Database block size            8192             Thread: 1
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#FILE..... /oracle/ANP/sapdata2/sr3_8/sr3.data8
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BR0001I *******___________________________________________
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Hello Fidel,
i am feeling honored
> Keep in mind that the only thing where a DBA cannot make mistakes is restore/recovery and this depends on your backups
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Some time ago i got a call from a colleague where his database crashed, the online redolog files were corrupted and the recovery was not working.
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This demonstration is done on an oracle 10.2.0.4, but it work on every other version too.
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ORA-00313: open failed for members of log group 3 of thread 1
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         2         /oracle/TST/oradata/redolog/redo02.log
         3         /oracle/TST/oradata/redolog/redo03.log
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         1          1         95   52428800          1 NO CURRENT                5117817 06-JAN-09
         3          1         94   52428800          1 YES ACTIVE                 5117814 06-JAN-09
         2          1         93   52428800          1 YES ACTIVE                 5112855 15-DEC-08
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ORA-00279: change 5117817 generated at 01/06/2009 21:08:51 needed for thread 1
ORA-00289: suggestion : /oracle/TST/oraarch/TST_1_95_6b8c0516_666969185.arc
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/oracle/TST/oradata/redolog/redo01.log
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SQL> alter database open noresetlogs;
alter database open noresetlogs
ERROR at line 1:
ORA-00313: open failed for members of log group 3 of thread 1
ORA-00312: online log 3 thread 1: '/oracle/TST/oradata/redolog/redo03.log'
ORA-27037: unable to obtain file status
SQL> alter database open resetlogs;
alter database open resetlogs
ERROR at line 1:
ORA-01139: RESETLOGS option only valid after an incomplete database recovery
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In this special case you can do mistakes and you have to restore the whole database and perform the same recovery again and end with OPEN RESETLOGS.
Just for information
Regards
Stefan

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If you do not want to read the whole doc This is the snippet for you.
Recovering a NOARCHIVELOG Database with Incremental Backups
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I am working on 10G in AIX for a single instance
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jgarry wrote:
Edit: And never forget, those test databases are some developers production.Absolutely true according to my experience. Loosing the work of a payed developer is just as bad as loosing the work of a production system and may even be worse because it may not be possible to re-enter missing data into the system.
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I am using hp-ux with oracle with ECC6.0 and data protector.
I ran DB13 whole DB online + redo log backup on tape and it ran successful on specified tape.
But if i check data on tape via login on data protector it shows no data.
Also i checked at os level using command mt -f /dev/rmt/0mn status , it also show 0 data. But as per db13 log data written successfully on specified tape.
please help how to check online data files?
Note: presently i have taken backup on single tape.
regards
Tarun

Tablespace     TS-Status F-Status File                                                       Size   Id.     Device Link    Type       MaxSize     IncrSize BlkSize
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_1/sr3.data1                 2306875392    4 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_10/sr3.data10               2139103232   13 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_11/sr3.data11               2139103232   14 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_12/sr3.data12               2139103232   15 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_13/sr3.data13               2118131712   16 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_14/sr3.data14               2118131712   17 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_15/sr3.data15               2118131712   18 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_16/sr3.data16               1415585792   19 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_17/sr3.data17               2097160192   38 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_18/sr3.data18               2097160192   39 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_19/sr3.data19               2097160192   40 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_2/sr3.data2                 2202017792    5 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_20/sr3.data20               2097160192   41 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_21/sr3.data21               2097160192   42 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_22/sr3.data22               2097160192   43 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_3/sr3.data3                 2181046272    6 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_4/sr3.data4                 2181046272    7 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_5/sr3.data5                 2160074752    8 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_6/sr3.data6                 2139103232    9 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_7/sr3.data7                 2139103232   10 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_8/sr3.data8                 2139103232   11 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata2/sr3_9/sr3.data9                 2139103232   12 1073938434 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3_23/sr3.data23               2097160192   76 1073938436 NOLINK FILE             0            0     8192
PSAPSR3        ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3_24/sr3.data24               2097160192   77 1073938436 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_19/sr3701.data19         2097160192   49 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_20/sr3701.data20         2097160192   50 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_21/sr3701.data21         2097160192   51 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_22/sr3701.data22         2097160192   52 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_23/sr3701.data23         2097160192   53 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_24/sr3701.data24         2097160192   54 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_25/sr3701.data25         2097160192   55 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_26/sr3701.data26         2097160192   56 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_27/sr3701.data27         2097160192   57 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_28/sr3701.data28         2097160192   58 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_29/sr3701.data29         2097160192   59 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_30/sr3701.data30         2097160192   60 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_31/sr3701.data31         2097160192   61 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_32/sr3701.data32         2097160192   62 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_33/sr3701.data33         2097160192   63 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_34/sr3701.data34         2097160192   64 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_35/sr3701.data35         2097160192   65 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sr3701_36/sr3701.data36         2097160192   66 1073938433 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_1/sr3701.data1           2789220352   20 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_10/sr3701.data10         2810191872   29 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_11/sr3701.data11         2789220352   30 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_12/sr3701.data12         2705334272   31 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_13/sr3701.data13         6123692032   32 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_14/sr3701.data14         2904563712   33 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_15/sr3701.data15         2097160192   45 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_16/sr3701.data16         2097160192   46 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_17/sr3701.data17         2097160192   47 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_18/sr3701.data18         2097160192   48 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_2/sr3701.data2           2747277312   21 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_3/sr3701.data3           3124764672   22 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_4/sr3701.data4           3124764672   23 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_5/sr3701.data5           3208650752   24 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_6/sr3701.data6           2915049472   25 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_7/sr3701.data7           2873106432   26 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_8/sr3701.data8           2873106432   27 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata3/sr3701_9/sr3701.data9           2810191872   28 1073938435 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3701_37/sr3701.data37         2097160192   68 1073938436 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3701_38/sr3701.data38         2097160192   69 1073938436 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3701_39/sr3701.data39         2097160192   70 1073938436 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3701_40/sr3701.data40         2097160192   71 1073938436 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3701_41/sr3701.data41         2097160192   72 1073938436 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3701_42/sr3701.data42         2097160192   73 1073938436 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3701_43/sr3701.data43         2097160192   74 1073938436 NOLINK FILE             0            0     8192
PSAPSR3701     ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3701_44/sr3701.data44         2097160192   75 1073938436 NOLINK FILE             0            0     8192
PSAPSR3DB      ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3db_1/sr3db.data1             2097160192   35 1073938436 NOLINK FILE             0            0     8192
PSAPSR3DB      ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3db_2/sr3db.data2             2097160192   36 1073938436 NOLINK FILE             0            0     8192
PSAPSR3DB      ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3db_3/sr3db.data3             1048584192   37 1073938436 NOLINK FILE             0            0     8192
PSAPSR3USR     ONLINE*    ONLINE    /oracle/TAQ/sapdata4/sr3usr_1/sr3usr.data1             31465472   34 1073938436 NOLINK FILE             0            0     8192
PSAPTEMP       ONLINE#    ONLINE    /oracle/TAQ/sapdata1/temp_1/temp.data1               1468014592   -1 1073938433 NOLINK FILE             0            0     8192
PSAPUNDO       ONLINE-    ONLINE    /oracle/TAQ/sapdata1/undo_1/undo.data1               5872033792    2 1073938433 NOLINK FILE             0            0     8192
SYSAUX         ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sysaux_1/sysaux.data1            209723392    3 1073938433 NOLINK FILE             0            0     8192
SYSAUX         ONLINE*    ONLINE    /oracle/TAQ/sapdata1/sysaux_2/sysaux.data2           2097160192   67 1073938433 NOLINK FILE             0            0     8192
SYSTEM         ONLINE*    SYSTEM    /oracle/TAQ/sapdata1/system_1/system.data1            891297792    1 1073938433 NOLINK FILE             0            0     8192
SYSTEM         ONLINE*    SYSTEM    /oracle/TAQ/sapdata1/system_2/system.data2            524296192   44 1073938433 NOLINK FILE             0            0     8192
BR0119I Redo log files
File                                                Size Group     Device Status    Link    Type
/oracle/TAQ/origlogA/log_g11m1.dbf              52429824    1   1073872899 INUSE     NOLINK FILE
/oracle/TAQ/mirrlogA/log_g11m2.dbf              52429824    1   1073872897 INUSE     NOLINK FILE
/oracle/TAQ/origlogB/log_g12m1.dbf              52429824    2   1073872900 INUSE     NOLINK FILE
/oracle/TAQ/mirrlogB/log_g12m2.dbf              52429824    2   1073872898 INUSE     NOLINK FILE
/oracle/TAQ/origlogA/log_g13m1.dbf              52429824    3   1073872899 INUSE     NOLINK FILE
/oracle/TAQ/mirrlogA/log_g13m2.dbf              52429824    3   1073872897 INUSE     NOLINK FILE
/oracle/TAQ/origlogB/log_g14m1.dbf              52429824    4   1073872900 INUSE     NOLINK FILE
/oracle/TAQ/mirrlogB/log_g14m2.dbf              52429824    4   1073872898 INUSE     NOLINK FILE

Whole database online + redo log backup

Hello all,
we are running SAP on a Oracle Database and doing a daily backup.
In the DBA Planing Calendar, we do have the action
Whole database online + redo log backup
What exactly does that mean?
Thanks,
Anne

This backup will save the CONTENT of the database only, not the database software itself.
To get a full consistent backup you need to backup more things if you want to have everything - depending on the operating system:
On Unix you will need to backup the software directory (/oracle*, oraInventory, oratab (depending on the location)) etc.
On Windows you will need to backup <letter>:\oracle, the registry keys and more things.
However, in case of a recovery you can also install the software after an OS installation and then restore it from tape.
Markus

Restoring whole db Online backup with redologs backup

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