https://naturallyequine.com/2023/11/ksy1xotpdcn Perder o SPFILE e PFILE do banco de dados Oracle não ocorre no dia a dia, mas pode acontecer de encontrar cliente sem estes dois arquivos essenciais para inicar o banco de dados Oracle. Então abaixo segue a dica de como iniciar o banco de dados sem estes dois arquivos.

https://vilarriba.com/2023/11/06/jdt9kxukn [oracle@oraprd ~]$ # Iniciando o banco de dados com o Alert Log. [oracle@oraprd ~]$ echo $ORACLE_BASE /oraprd01/app/oracle

click here Copiar do Alert Log e colocar num arquivo para criar o pfile apenas os Parâmetros do Sistema com não valores principais. Na linha da última inicialização do banco de dados abaixo de “System parameters with non-default values:” possui os parâmetros esseciais para inicialização do banco de dados. Segue abaixo a forma de inicar o banco de dados e com o pfile que irá ser criado e após criar o spfile do pfile utilizado.

https://vaidosaefeminina.com/index.php/14cm755qg [oracle@oraprd ~]$ cd /oraprd01/app/oracle/diag/rdbms/orcl/orcl/trace/ [oracle@oraprd trace]$ vi alert_orcl.log Wed Aug 17 13:04:58 2011 Starting ORACLE instance (normal) LICENSE_MAX_SESSION = 0 LICENSE_SESSIONS_WARNING = 0 Picked latch-free SCN scheme 2 Autotune of undo retention is turned on. IMODE=BR ILAT =109 LICENSE_MAX_USERS = 0 SYS auditing is disabled Starting up ORACLE RDBMS Version: 11.1.0.6.0. Using parameter settings in server-side spfile /ora/prod/11.1/dbs/spfileorcl.ora System parameters with non-default values: processes = 900 sessions = 995 nls_date_format = "" memory_target = 404M control_files = "/oraprd02/oradata/orcl/control01.ctl" control_files = "/oraprd02/oradata/orcl/control02.ctl" control_files = "/oraprd02/oradata/orcl/control03.ctl" db_block_size = 8192 compatible = "11.1.0.0.0" log_archive_dest = "" log_archive_dest_1 = "LOCATION=/oraarchive/orcl/" log_archive_dest_2 = "" log_archive_format = "arch_%t_%s_%r.arc" archive_lag_target = 60 db_file_multiblock_read_count= 7 undo_tablespace = "UNDOTBS1" remote_login_passwordfile= "EXCLUSIVE" db_domain = "" dispatchers = "(PROTOCOL=TCP) (SERVICE=orclXDB)" job_queue_processes = 1000 audit_file_dest = "/oraprd01/app/oracle/admin/orcl/adump" audit_trail = "NONE" db_name = "orcl" open_cursors = 300 optimizer_index_caching = 0 control_management_pack_access= "DIAGNOSTIC+TUNING" diagnostic_dest = "/oraprd01/app/oracle" [oracle@oraprd trace]$ cd ~ [oracle@oraprd ~]$ vi init_alert_log.ora [oracle@oraprd ~]$ cat init_alert_log.ora processes = 900 sessions = 995 nls_date_format = "" memory_target = 404M control_files = "/oraprd02/oradata/orcl/control01.ctl" control_files = "/oraprd02/oradata/orcl/control02.ctl" control_files = "/oraprd02/oradata/orcl/control03.ctl" db_block_size = 8192 compatible = "11.1.0.0.0" log_archive_dest = "" log_archive_dest_1 = "LOCATION=/oraarchive/orcl/" log_archive_dest_2 = "" log_archive_format = "arch_%t_%s_%r.arc" archive_lag_target = 60 db_file_multiblock_read_count= 7 undo_tablespace = "UNDOTBS1" remote_login_passwordfile= "EXCLUSIVE" db_domain = "" dispatchers = "(PROTOCOL=TCP) (SERVICE=orclXDB)" job_queue_processes = 1000 audit_file_dest = "/oraprd01/app/oracle/admin/orcl/adump" audit_trail = "NONE" db_name = "orcl" open_cursors = 300 optimizer_index_caching = 0 control_management_pack_access= "DIAGNOSTIC+TUNING" diagnostic_dest = "/oraprd01/app/oracle" [oracle@oraprd ~]$ sqlplus /nolog

see url SQL*Plus: Release 11.1.0.6.0 - Production on Wed Aug 17 13:17:44 2011 Copyright (c) 1982, 2007, Oracle. All rights reserved. SQL> conn sys/***** as sysdba Connected. SQL> startup pfile='/home/oracle/init_alert_log.ora' ORACLE instance started. Total System Global Area 422670336 bytes Fixed Size 1300352 bytes Variable Size 293603456 bytes Database Buffers 121634816 bytes Redo Buffers 6131712 bytes Database mounted. Database opened. SQL> create spfile from pfile='/home/oracle/init_alert_log.ora'; File created. SQL> !

source site [oracle@oraprd ~]$ cd /oraprd01/app/oracle/product/11.1.0/db_1/dbs/ [oracle@oraprd dbs]$ ls -l total 57500 -rw-r----- 1 oracle dba 37820928 Jun 6 18:12 arch1_84_753064624.dbf -rw-r----- 1 oracle dba 5774848 Jun 6 20:26 arch1_85_753064624.dbf -rw-rw---- 1 oracle dba 1544 Jun 6 00:34 hc_orcl.dat -rw-r--r-- 1 oracle dba 12920 May 3 2001 initdw.ora -rw-r--r-- 1 oracle dba 8385 Sep 11 1998 init.ora -rw-r----- 1 oracle dba 24 Jun 6 00:36 lkORCL -rw-r----- 1 oracle dba 1536 Aug 2 15:39 orapworcl -rw-r----- 1 oracle dba 15155200 Aug 9 16:29 snapcf_orcl.f -rw-r----- 1 oracle dba 2560 Aug 17 13:26 spfileorcl.ora [oracle@oraprd dbs]$ exit

https://palmlabsadhesives.com/x43hobm SQL> shutdown immediate Database closed. Database dismounted. ORACLE instance shut down. SQL> startup ORACLE instance started. Total System Global Area 422670336 bytes Fixed Size 1300352 bytes Variable Size 293603456 bytes Database Buffers 121634816 bytes Redo Buffers 6131712 bytes Database mounted. Database opened. SQL>

https://londonorienteering.co.uk/2023/11/p4v1phi Pronto iniciamos o banco de dados com o pfile criado a partir do Alert Log.

Autor: Maycon Tomiasi

https://iberomedia.com/blog-inbound-marketing/t88hexf2

https://makerversity.org/r6kpzmaau2 Formado em Tecnologia da Informação na FIPP (Faculdade de Informática de Presidente Prudente), Analista DBA Oracle pela Teiko Soluções em Tecnologia da Informação, residente em Blumenau/ SC, Certificado OCP 10g/11g/12c, OCS 11g Implementation, OCE 11g Performance Tuning, OCE 11g RAC & GRID e OPN Specialist. Conhecimentos em PHP.

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