2026-03-12 20:23:15

tpt/asmdumpf.sql

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+-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
+-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
+
+-- EXPERIMENTAL! USE AT YOUR OWN RISK!
+-- 
+-- simple asm dump utility
+-- use full database file name (with +datagroup name) as only parameter
+-- nb! doesnt necessarily work properly on multidisk diskgroups with fine 
+-- grained striping. created for 2-disk diskgroup. doesnt probably work
+-- ok on 2+ disk diskgroups.
+--
+-- tanel poder - nov 2005 [ http://www.tanelpoder.com ]
+
+set lines 300 trim on verify off pages 50000
+
+select
+    'dd if='|| d.path||' bs=131072 skip='||(AU_KFFXP*8)+(mod(stripefact.r,8)*131072)||' count=1 '||
+    '>> /tmp/'||substr('&1',instr('&1','/',-1)+1)||'.dmp'  cmd
+from
+    X$KFFXP     X, 
+    V$ASM_DISK  D, 
+    V$ASM_ALIAS A, 
+    (select rownum-1 r from v$mystat where rownum <= 8) stripefact 
+where
+    lower(A.NAME) = lower(substr('&1',instr('&1','/',-1)+1))
+    and X.NUMBER_KFFXP = A.FILE_NUMBER
+    and X.GROUP_KFFXP  = A.GROUP_NUMBER
+    and X.INCARN_KFFXP = A.FILE_INCARNATION
+    and X.DISK_KFFXP = D.DISK_NUMBER
+    and X.GROUP_KFFXP = D.GROUP_NUMBER
+order by
+    X.XNUM_KFFXP;
+