gv$asm_diskgroup query fails with error ORA-12801 and ORA-15080 (Doc ID 1906155.1)

Last updated on JULY 11, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

SQL> select * from gv$asm_diskgroup;
ERROR:
ORA-12801: error signaled in parallel query server PZ99, instance lnxibp09.risa:+ASM2 (2)
ORA-15080: synchronous I/O operation to a disk failed
ORA-15080: synchronous I/O operation to a disk failed

some disks not accessible. 

*** ACTION NAME:() 2014-07-09 11:49:53.568
 
ORA-27061: waiting for async I/Os failed
Linux-x86_64 Error: 5: Input/output error
Additional information: -1
Additional information: 4096
WARNING: Read Failed. group:0 disk:27 AU:0 offset:0 size:4096
path:/dev/oracleasm/disks/STRG887_LUN1FD1
incarnation:0xe968781a asynchronous result:'I/O error'
subsys:System iop:0x2b3476361b80 bufp:0x2b3476356e00 osderr:0x0 osderr1:0x0
ORA-27061: waiting for async I/Os failed
Linux-x86_64 Error: 5: Input/output error
Additional information: -1
Additional information: 4096
WARNING: Read Failed. group:0 disk:28 AU:0 offset:0 size:4096
path:/dev/oracleasm/disks/STRG887_LUN2167
incarnation:0xe968781b asynchronous result:'I/O error'
subsys:System iop:0x2b3476361a40 bufp:0x2b3476355c00 osderr:0x0 osderr1:0x0

 

These disks are not part of any diskgroup

SQL> SELECT * FROM V$ASM_DISK ORDER BY GROUP_NUMBER,DISK_NUMBER;
-
0 27 27 3915937818 CLOSED UNKNOWN ONLINE NORMAL UNKNOWN System 103575 0 0 0 0 /dev/oracleasm/disks/STRG887_LUN1FD1
0 28 28 3915937819 CLOSED UNKNOWN ONLINE NORMAL UNKNOWN System 103575 0 0 0 0 /dev/oracleasm/disks/STRG887_LUN2167
-

Cause

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