2026-03-12 20:23:15

idev/rac_instances.sql

@@ -0,0 +1,71 @@
+-- +----------------------------------------------------------------------------+
+-- |                          Jeffrey M. Hunter                                 |
+-- |                      jhunter@idevelopment.info                             |
+-- |                         www.idevelopment.info                              |
+-- |----------------------------------------------------------------------------|
+-- |      Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved.       |
+-- |----------------------------------------------------------------------------|
+-- | DATABASE : Oracle                                                          |
+-- | FILE     : rac_instances.sql                                               |
+-- | CLASS    : Real Application Clusters                                       |
+-- | PURPOSE  : Provide a summary report of all configured instances for the    |
+-- |            current clustered database.                                     |
+-- | 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   : Oracle RAC Instances                                        |
+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 instance_name          FORMAT a13         HEAD 'Instance|Name / Number'
+COLUMN thread#                FORMAT 99999999    HEAD 'Thread #'
+COLUMN host_name              FORMAT a28         HEAD 'Host|Name'
+COLUMN status                 FORMAT a6          HEAD 'Status'
+COLUMN startup_time           FORMAT a20         HEAD 'Startup|Time'
+COLUMN database_status        FORMAT a8          HEAD 'Database|Status'
+COLUMN archiver               FORMAT a8          HEAD 'Archiver'
+COLUMN logins                 FORMAT a10         HEAD 'Logins?'
+COLUMN shutdown_pending       FORMAT a8          HEAD 'Shutdown|Pending?'
+COLUMN active_state           FORMAT a6          HEAD 'Active|State'
+COLUMN version                                   HEAD 'Version'
+
+SELECT
+    instance_name || ' (' || instance_number || ')' instance_name
+  , thread#
+  , host_name
+  , status
+  , TO_CHAR(startup_time, 'DD-MON-YYYY HH:MI:SS') startup_time
+  , database_status
+  , archiver
+  , logins
+  , shutdown_pending
+  , active_state
+  , version
+FROM
+    gv$instance
+ORDER BY
+    instance_number;