Database Instance crashed while dropping ASM disks: ORA-15064 (db), ORA-15082(asm) (Doc ID 1346698.1)

Last updated on MAY 21, 2013

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.5 [Release 10.2]
Information in this document applies to any platform.
***Checked for relevance on 21-May-2013***

Symptoms

2 node RAC - 102044(asm) - 102044(db) - AIX5.3

Database instance crashed while dropping disks from ASM:

...
Fri Aug 5 14:33:07 2011
SUCCESS: diskgroup ARCH_RAID5 was dismounted
ERROR: diskgroup ARCH_RAID5 was not mounted
Fri Aug 5 14:33:07 2011
Errors in file /Oracle_Logs/oracle/ODS7TEL/dump/bdump/ods7tel1_arc0_1265808.trc:
ORA-15001: diskgroup "ARCH_RAID5" does not exist or is not mounted
ORA-01092: ORACLE instance terminated. Disconnection forced
Fri Aug 5 14:33:07 2011
SUCCESS: disk ARCH_RAID5_0000 (0.1911235781) dropped from diskgroup ARCH_RAID5
Fri Aug 5 14:33:07 2011
Errors in file /Oracle_Logs/oracle/ODS7TEL/dump/bdump/ods7tel1_asmb_831514.trc:
ORA-15064: communication failure with ASM instance
ORA-03135: connection lost contact
ASMB: terminating instance due to error 15064
Fri Aug 5 14:33:07 2011
Errors in file /Oracle_Logs/oracle/ODS7TEL/dump/bdump/ods7tel1_lms0_1077386.trc:
ORA-15064: communication failure with ASM instance
...



The disks were successfully dropped from ASM, however it crashed causing the database instance to crash:

...
Fri Aug 5 14:33:07 2011
NOTE: database ODS7TEL1:ODS7TEL failed during msg 21, reply 2
Fri Aug 5 14:33:07 2011
Errors in file /Oracle_Home/oracle/ora_base/Ora10GHome/admin/+ASM/bdump/+asm1_ckpt_1159268.trc:
ORA-15082: ASM failed to communicate with database instance
CKPT: terminating instance due to error 15082
Fri Aug 5 14:33:07 2011
System state dump is made for local instance
System State dumped to trace file /Oracle_Home/oracle/ora_base/Ora10GHome/admin/+ASM/bdump/+asm1_diag_1147094.trc
Fri Aug 5 14:33:09 2011
Trace dumping is performing id=[cdmp_20110805143307]
Fri Aug 5 14:33:10 2011
Instance terminated by CKPT, pid = 1159268
...



Cause

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