2026-03-12 20:23:15

vg/redolog_commands.txt

@@ -0,0 +1,89 @@
+
+
+----------------------------------------
+-- Add logfile members
+----------------------------------------
+set serveroutput on size unlimited
+BEGIN
+		FOR i in (
+     SELECT 'alter database add logfile member ''+DATA_DM02_EXT'' TO GROUP ' || l.group# sqltext
+          , l.status
+       FROM v$log l
+        JOIN v$logfile lf ON lf.group# = l.group#
+     WHERE l.members = 1
+     group by l.group#, l.status
+     ORDER BY l.group#
+		)
+		LOOP
+      dbms_output.put_line(i.sqltext || ';');
+      --	execute immediate i.sqltext;
+		END LOOP;
+END;
+/
+
+
+
+--------------------------------------------------
+-- Switch logfiles for newly added log members
+--------------------------------------------------
+set serveroutput on size unlimited
+BEGIN
+		FOR i in (
+       SELECT 'alter system archive log instance ''' || i.instance_name || ''' current' sqltext  
+            , lf.status
+         FROM v$log l
+              JOIN v$logfile lf ON lf.group# = l.group#
+          JOIN gv$instance i ON i.inst_id = l.thread#
+         WHERE lf.status = 'INVALID'		 
+       ORDER BY l.group#, i.instance_name
+		)
+		LOOP
+     dbms_output.put_line(i.sqltext || ';');
+     --	execute immediate i.sqltext;
+		END LOOP;
+END;
+/
+
+
+
+--------------------------------------------------
+-- Drop logfiles
+--------------------------------------------------
+set serveroutput on size unlimited
+BEGIN
+		FOR i in (
+      SELECT 'alter database drop logfile member ''' || lf.member || '''' sqltext
+            , l.status
+        FROM v$log l
+         JOIN v$logfile lf ON lf.group# = l.group#
+      WHERE l.members = 2
+        and l.status NOT IN ('CURRENT')
+        and lf.member like '+RECO_DM02_EXT%'
+      ORDER BY l.group#
+		)
+		LOOP
+     dbms_output.put_line(i.sqltext || ';');
+     --	execute immediate i.sqltext;
+		END LOOP;
+
+		FOR i in 	(
+      SELECT 'alter database drop logfile member ''' || lf.member || '''' sqltext
+        , 'alter system archive log instance ''' || i.instance_name || ''' current' sqltext2  
+        , l.status
+        FROM v$log l
+         JOIN v$logfile lf ON lf.group# = l.group#
+         JOIN gv$instance i ON i.inst_id = l.thread#
+      WHERE l.members = 2
+        and lf.member like '+RECO_DM02_EXT%'
+        and l.status = 'CURRENT'
+      ORDER BY l.group#, i.instance_name
+		)
+		LOOP
+     dbms_output.put_line(i.sqltext2 || ';');
+     --	execute immediate i.sqltext2;
+     dbms_output.put_line(i.sqltext || ';');
+     -- execute immediate i.sqltext;
+		END LOOP;
+END;
+/
+