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ORA_RMAN_SGA_TARGET

assume that we lost all the files of oracle database but we do have rman backup, when trying to bring up a dummy database before restore start, I get this error.

RMAN> startup nomount force;

WARNING: cannot translate ORA_RMAN_SGA_TARGET value
startup failed: ORA-01078: failure in processing system parameters
ORA-01565: error in identifying file '+DATA/PROD/spfilePROD.ora'
ORA-17503: ksfdopn:2 Failed to open file +DATA/PROD/spfilePROD.ora
ORA-15056: additional error message
ORA-17503: ksfdopn:DGOpenFile05 Failed to open file +DATA/prod/spfileprod.ora
ORA-17503: ksfdopn:2 Failed to open file +DATA/prod/spfileprod.ora
ORA-15173: entry 'spfileprod.ora' does not exist in directory 'prod'
ORA-06512: at line 4

starting Oracle instance without parameter file for retrival of spfile
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of startup command at 10/24/2011 15:36:44
RMAN-04014: startup failed: ORA-01078: failure in processing system parameters
RMAN-04017: startup error description: ORA-00821: Specified value of sga_target 152M is too small, needs to be at least 388M

There are two possible solutions:


1- Create temporary init.ora file (/oracle/product/11.2.0/db_1/dbs/initTEST.ora) with the following parameters:


db_name=
large_pool_size=100m
shared_pool_size=250m
db_cache_size=10m


2- Set environment variable ORA_RMAN_SGA_TARGET before executing rman. For example:


$ export ORA_RMAN_SGA_TARGET=350

RMAN> startup nomount force;

startup failed: ORA-01078: failure in processing system parameters
ORA-01565: error in identifying file '+DATA/PROD/spfilePROD.ora'
ORA-17503: ksfdopn:2 Failed to open file +DATA/PROD/spfilePROD.ora
ORA-15056: additional error message
ORA-17503: ksfdopn:DGOpenFile05 Failed to open file +DATA/prod/spfileprod.ora
ORA-17503: ksfdopn:2 Failed to open file +DATA/prod/spfileprod.ora
ORA-15173: entry 'spfileprod.ora' does not exist in directory 'prod'
ORA-06512: at line 4

starting Oracle instance without parameter file for retrival of spfile
Oracle instance started

Total System Global Area 536870912 bytes

Fixed Size 2085008 bytes
Variable Size 138415984 bytes
Database Buffers 339738624 bytes
Redo Buffers 56631296 bytes


now the database is at nomount status, I can start to restore spfile,controlfile and database now.

Comments

  1. PrakashJuly 26, 2013 at 6:02 AM

    How do we restore spfile from sbt_tape to another host?

    ReplyDelete
  2. walkthroughJuly 26, 2013 at 6:38 AM

    Prakash,

    have you tried the following? I did not, but just a thought.

    rman catalog username/password@catalog target /
    set dbid= xxxx;
    list backup of spfiles;
    restore spfile to pfile='/location'

    ReplyDelete

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