When using VERITAS VxFS, random CPU spikes near 100% when performing multiple I/O intensive operation such as batch processing and online db2 backups etc.
Random CPU spikes to near 100% and possible long I/O wait times.
This problem is caused by VERITAS Direct I/O driver performance Etrack 2293722 incident.
DB2 V9.7 or V9.5 using VERITAS VxFS
Diagnosing the problem
Check the fstab.out file in the db2support output to determine if VxFS is being used. Check if the fix for VERITAS Direct I/O driver performance incident 2293722 is installed.
Resolving the problem
Contact Symantec(VERITAS) for the fix for Etrack 2293722, Direct I/O driver performance incident.
Rate this page:
Copyright and trademark information
IBM, the IBM logo and ibm.com are trademarks of International Business Machines Corp., registered in many jurisdictions worldwide. Other product and service names might be trademarks of IBM or other companies. A current list of IBM trademarks is available on the Web at "Copyright and trademark information" at www.ibm.com/legal/copytrade.shtml.