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發表時間:2016/2/1 4:37 |
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- [轉貼]Oracle 11g 啟用 Archive Log Mode
Oracle 11g 啟用 Archive Log Mode 我從Oracle下載Pre-Built Developer VMs,內建11gR2的Database,但是並沒有啟用Archive Log Mode
SQL> archive log list; Database log mode No Archive Mode Automatic archival Disabled Archive destination
Oldest online log sequence 389 Current log sequence 391
關閉DB,重啟到mount階段 SQL> startup mount SQL> alter database archivelog (alter database noarchivelog; --停用Archive Log Mode)
SQL> alter database open; SQL> alter system set log_archive_start=true scope=spfile;
查詢是否已啟用 SQL> archive log list; Database log mode Archive Mode Automatic archival Enabled
Archive destination /backup/archive Oldest online log sequence 389 Next log sequence to archive 391 Current log sequence 391
接下來的步驟就發生錯誤了,是因為11g已廢棄這個參數,所以不用再設定這個參數
SQL> alter system set log_archive_start=true scope=spfile; ORA-32006: LOG_ARCHIVE_START initialization parameter has been deprecated
設定Archive Log存放的路徑,記很要加上LOCATION才能正確設定 SQL> alter system Set LOG_ARCHIVE_DEST_1='LOCATION=/backup/archive' scope=spfile;
設定Archive Log檔名的格式
SQL> alter system set log_archive_format='orcl_%t_%s_%r.arc' scope=spfile ;
格式說明如下: %s log sequence number %S log sequence number, zero filled %tthread number %Tthread number, zero filled %a activation ID
%d database ID %r resetlogs ID that ensures unique names are constructed for the archived log files across multiple incarnations of the database
另外,在Document上有提到為了讓Archive log的檔名具有唯一值,檔名格式必需有%s、%t、%r。 SQL> alter system set log_archive_format='orcl_%s.arc' scope=spfile; SQL> shutdowm immediate SQL> startup
ORA-19905: log_archive_format must contain %s, %t and %r
最後,建立新的pfile create pfile from spfile; 原文出處:平凡的幸福: Oracle 11g 啟用 Archive Log Mode
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[轉貼]Oracle 11g 啟用 Archive Log Mode (冷日 (冷日), 2016/2/1 4:37)
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[轉貼]Archivelog deletion policy for Standby Database in Oracle Data Guard (冷日 (冷日), 2017/10/12 3:35)
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[轉貼]2 ways to move archivelogs – both need RMAN (冷日 (冷日), 2017/10/12 3:41)
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