2026-03-12 20:23:15

idev/asm_alias.sql

@@ -0,0 +1,73 @@
+-- +----------------------------------------------------------------------------+
+-- |                          Jeffrey M. Hunter                                 |
+-- |                      jhunter@idevelopment.info                             |
+-- |                         www.idevelopment.info                              |
+-- |----------------------------------------------------------------------------|
+-- |      Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved.       |
+-- |----------------------------------------------------------------------------|
+-- | DATABASE : Oracle                                                          |
+-- | FILE     : asm_alias.sql                                                   |
+-- | CLASS    : Automatic Storage Management                                    |
+-- | PURPOSE  : Provide a summary report of all alias definitions contained     |
+-- |            within all ASM disk groups.                                     |
+-- | NOTE     : As with any code, ensure to test this script in a development   |
+-- |            environment before attempting to run it in production.          |
+-- +----------------------------------------------------------------------------+
+
+SET TERMOUT OFF;
+COLUMN current_instance NEW_VALUE current_instance NOPRINT;
+SELECT rpad(sys_context('USERENV', 'INSTANCE_NAME'), 17) current_instance FROM dual;
+SET TERMOUT ON;
+
+PROMPT 
+PROMPT +------------------------------------------------------------------------+
+PROMPT | Report   : ASM Aliases                                                 |
+PROMPT | Instance : &current_instance                                           |
+PROMPT +------------------------------------------------------------------------+
+
+SET ECHO        OFF
+SET FEEDBACK    6
+SET HEADING     ON
+SET LINESIZE    180
+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 disk_group_name        FORMAT a25         HEAD 'Disk Group Name'
+COLUMN alias_name             FORMAT a50         HEAD 'Alias Name'
+COLUMN file_number                               HEAD 'File|Number'
+COLUMN file_incarnation                          HEAD 'File|Incarnation'
+COLUMN alias_index                               HEAD 'Alias|Index'
+COLUMN alias_incarnation                         HEAD 'Alias|Incarnation'
+COLUMN parent_index                              HEAD 'Parent|Index'
+COLUMN reference_index                           HEAD 'Reference|Index'
+COLUMN alias_directory        FORMAT a10         HEAD 'Alias|Directory?'
+COLUMN system_created         FORMAT a8          HEAD 'System|Created?'
+
+BREAK ON report ON disk_group_name SKIP 1
+
+SELECT
+    g.name               disk_group_name
+  , a.name               alias_name
+  , a.file_number        file_number
+  , a.file_incarnation   file_incarnation
+  , a.alias_index        alias_index
+  , a.alias_incarnation  alias_incarnation
+  , a.parent_index       parent_index
+  , a.reference_index    reference_index
+  , a.alias_directory    alias_directory
+  , a.system_created     system_created
+FROM
+    v$asm_alias a JOIN v$asm_diskgroup g USING (group_number)
+ORDER BY
+    g.name
+  , a.file_number
+/
+