2026-03-12 20:23:15

idev/asm_drop_files.sql

@@ -0,0 +1,56 @@
+-- +----------------------------------------------------------------------------+
+-- |                          Jeffrey M. Hunter                                 |
+-- |                      jhunter@idevelopment.info                             |
+-- |                         www.idevelopment.info                              |
+-- |----------------------------------------------------------------------------|
+-- |      Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved.       |
+-- |----------------------------------------------------------------------------|
+-- | DATABASE : Oracle                                                          |
+-- | FILE     : asm_drop_files.sql                                              |
+-- | CLASS    : Automatic Storage Management                                    |
+-- | PURPOSE  : Used to create a SQL script that removes all ASM files          |
+-- |            contained within all diskgroups.                                |
+-- | NOTE     : As with any code, ensure to test this script in a development   |
+-- |            environment before attempting to run it in production.          |
+-- +----------------------------------------------------------------------------+
+
+SET ECHO        OFF
+SET FEEDBACK    OFF
+SET HEADING     OFF
+SET LINESIZE    256
+SET PAGESIZE    50000
+SET TERMOUT     ON
+SET TIMING      OFF
+SET TRIMOUT     ON
+SET TRIMSPOOL   ON
+SET VERIFY      OFF
+
+CLEAR COLUMNS
+CLEAR BREAKS
+CLEAR COMPUTES
+
+COLUMN full_alias_path    FORMAT a255       HEAD 'File Name'
+COLUMN disk_group_name    NOPRINT
+
+SELECT
+    'ALTER DISKGROUP '  ||
+        disk_group_name ||
+        ' DROP FILE ''' || CONCAT('+' || disk_group_name, SYS_CONNECT_BY_PATH(alias_name, '/')) || ''';' full_alias_path
+FROM
+    ( SELECT
+          g.name               disk_group_name
+        , a.parent_index       pindex
+        , a.name               alias_name
+        , a.reference_index    rindex
+        , f.type               type
+      FROM
+          v$asm_file f RIGHT OUTER JOIN v$asm_alias     a USING (group_number, file_number)
+                                   JOIN v$asm_diskgroup g USING (group_number)
+    )
+WHERE type IS NOT NULL
+START WITH (MOD(pindex, POWER(2, 24))) = 0
+    CONNECT BY PRIOR rindex = pindex
+/
+
+SET FEEDBACK    6
+SET HEAD        ON