Confusion about the tag recovery

Hi all

We had a situation where he must restore and recover to point in time until 24 June. One of our colleagues initially restored the controlfile from 24 June backup using script below...

run

{

ALLOCATE CHANNEL c1 DEVICE TYPE SBT_TAPE PARMS ' ENV = (NB_ORA_SERV = masterhp003.xxxxx.com, NB_ORA_POLICY = ora_pacerprd01_pacerprd, NB_ORA_CLIENT = orasalxhp603), BLKSIZE = 524288';

Restore controlfile from "TAG20130624T004158"

output channel c1;

}

After that, he executed the script below to recover the database.

run

{

ALLOCATE CHANNEL c1 DEVICE TYPE SBT_TAPE PARMS ' ENV = (NB_ORA_SERV = masterhp003.xxxxx.com, NB_ORA_POLICY = ora_pacerprd01_pacerprd, NB_ORA_CLIENT = orasalxhp603), BLKSIZE = 524288';

ALLOCATE CHANNEL c2 DEVICE TYPE SBT_TAPE PARMS ' ENV = (NB_ORA_SERV = masterhp003.xxxxx.com, NB_ORA_POLICY = ora_pacerprd01_pacerprd, NB_ORA_CLIENT = orasalxhp603), BLKSIZE = 524288';

ALLOCATE CHANNEL c3 DEVICE TYPE SBT_TAPE PARMS ' ENV = (NB_ORA_SERV = masterhp003.thehartford.com, NB_ORA_POLICY = ora_pacerprd01_pacerprd, NB_ORA_CLIENT = orasalxhp603), BLKSIZE = 524288';

ALLOCATE CHANNEL c4 DEVICE TYPE SBT_TAPE PARMS ' ENV = (NB_ORA_SERV = masterhp003.xxxxx.com, NB_ORA_POLICY = ora_pacerprd01_pacerprd, NB_ORA_CLIENT = orasalxhp603), BLKSIZE = 524288';

the value of newname for datafile 1 to ' / asj_pacerqa/data01/pacerqa/datafile/system01.dbf';

the value of newname for datafile 2 TO 'asj_pacerqa/data01/pacerqa/datafile/sysaux01.dbf ';

the value of newname for datafile 3 to ' / asj_pacerqa/data01/pacerqa/datafile/undotbs01.dbf';

the value of newname for datafile 4 to ' / asj_pacerqa/data01/pacerqa/datafile/users01.dbf';

the value of newname for datafile 5 to ' / asj_pacerqa/data01/pacerqa/datafile/base_idx_256k_0101.dbf';

the value of newname for datafile 6 to ' / asj_pacerqa/data01/pacerqa/datafile/base_idx_6400k_0101.dbf';

the value of newname for datafile 7 to ' / asj_pacerqa/data01/pacerqa/datafile/base_idx_6400k_0201.dbf';

the value of newname for datafile 8 to ' / asj_pacerqa/data01/pacerqa/datafile/base_idx_64k_0101.dbf';

the value of newname for datafile 9 to ' / asj_pacerqa/data01/pacerqa/datafile/base_idx_64k_0201.dbf';

the value of newname for datafile 10 to ' / asj_pacerqa/data01/pacerqa/datafile/base_tbl_256k_0101.dbf';

the value of newname for datafile 11 FOR ' / asj_pacerqa/data01/pacerqa/datafile/base_tbl_6400k_0101.dbf';

the value of newname for datafile 12 to ' / asj_pacerqa/data01/pacerqa/datafile/base_tbl_6400k_0201.dbf';

the value of newname for datafile 13 to ' / asj_pacerqa/data01/pacerqa/datafile/base_tbl_64k_0101.dbf';

the value of newname for datafile 14 FOR ' / asj_pacerqa/data01/pacerqa/datafile/base_tbl_64k_0201.dbf';

restore the tag database 'PACERPRD_LEVEL0_174_24 ';

switch datafile;

recover the database;

output channel c1;

output channel c2.

output channel c3.

output channel c4.

}

The "PACERPRD_LEVEL0_174_24" tag was also from a data file backup 24.

Please suggest that the database has been restored until 24 or it has been restored in the current data. Please, help us to understand.

Look at the log of the race to RESTORE + RESTORE in order to identify the archivelogs (to date) have been applied by Oracle.

It is perfectly possible to use an older controlfile (of 24) and retrieve a present (30).

You must use the SET clause until in RMAN to specify the point-in-time recovery.

Hemant K Collette

Tags: Database

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        )
      )
    

    Justin

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