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SUMMARY ======== "DG01" diskgroup cannot be mounted due to one disk member is missing: ====================================================== SQL> ALTER DISKGROUP DG01 MOUNT /* asm agent *//* {1:16801:2} */ NOTE: cache registered group DG01 number=1 incarn=0x2929b317 NOTE: cache began mount (first) of group DG01 number=1 incarn=0x2929b317 NOTE: Assigning number (1,1) to disk (/dev/asm-disk5) Sat Feb 14 06:41:49 2015 ERROR: no read quorum in group: required 1, found 0 disks NOTE: cache dismounting (clean) group 1/0x2929B317 (DG01) NOTE: messaging CKPT to quiesce pins Unix process pid: 7194, image: oracle@SLSLMEDIDBOP01 (TNS V1-V3) NOTE: dbwr not being msg'd to dismount NOTE: lgwr not being msg'd to dismount NOTE: cache dismounted group 1/0x2929B317 (DG01) NOTE: cache ending mount (fail) of group DG01 number=1 incarn=0x2929b317 NOTE: cache deleting context for group DG01 1/0x2929b317 GMON dismounting group 1 at 18 for pid 29, osid 7194 NOTE: Dis

SOLUTION for rman error: RMAN-06429: RCVCAT database is not compatible with this version of RMAN $ rman target / catalog rman/********@CATDB Recovery Manager: Release 11.2.0.3.0 - Production on Sat Feb 14 18:05:00 2015 Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved. connected to target database:XXX (DBID=607******5) connected to recovery catalog database recovery catalog is partially upgraded to 11.02.00.03 RMAN> crosscheck archivelog all; ORACLE error from recovery catalog database: ORA-06550: line 1, column 41: PLS-00201: identifier 'DBMS_RCVMAN.GETPACKAGEVERSION' must be declared ORA-06550: line 1, column 34: PL/SQL: Statement ignored recovery catalog is partially upgraded to 11.02.00.03 RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03002: failure of crosscheck comman