Receiving ASM traces for errors: ORA-27090, LINUX-X86_64 ERROR: 17: FILE EXISTS (Doc ID 1551921.1)

Last updated on AUGUST 08, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 and later
Information in this document applies to any platform.
Checked Currency on 18-Oct-2014

Symptoms

 You are seeing increased audit files in the ASM instance.

And, you suspect that the audit file generation is creating I/O problem since you now see the following errors in your trace file directory:

WARNING:Could not increase the asynch I/O limit to 256 for kfdParallelIO.

*** 2013-02-16 02:00:23.076
dbkedDefDump(): Starting a non-incident diagnostic dump (flags=0x0, level=1, mask=0x0)
----- Error Stack Dump -----
ORA-27090: Unable to reserve kernel resources for asynchronous disk I/O
Linux-x86_64 Error: 17: File exists
Additional information: 3
Additional information: 128
Additional information: 415965860
----- Current SQL Statement for this session (sql_id=7f0gnka51rt8n) -----
select name, free_mb, total_mb from v$ASM_DISKGROUP

----- Call Stack Trace -----
calling              call     entry                argument values in hex      
location             type     point                (? means dubious value)    
-------------------- -------- -------------------- ----------------------------
skdstdst  ksedst1  ksedst  dbkedDefDump  ksedmp  kfdParallelIO
kfdDiscoverDeep  kfgDiscoverDeep  kfgDiscoverGroup  kfgTableCb
kfgGrpTableCbInternal  kfgGrpTableCb  qerfxFetch  opifch2
kpoal8  opiodr  ttcpip  opitsk  opiino  opiodr  opidrv
sou2o  opimai_real  ssthrdmain  main  libc_start_main  start


Changes

 Increased audit files evidenced in the audit directory

Cause

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