Did you search metalink for File '/dev/async' not present ?? That'll be your answer right there. Stefan On Wed, Nov 5, 2008 at 8:35 AM, VIVEK_SHARMA <VIVEK_SHARMA@xxxxxxxxxxx>wrote: > Folks > > > > Need to find out if Async IO is setup & working or NOT in our Performance > Benchmark Setup. > > > > Qs 1 - What *HP-UX Command* gives the existing *filesystemio_options *settings > for the mounted filesystem ? > > NOTE - Init.ora parameter disk_async_io=true (default) > > > > Qs 2 – For Async IO to work, is there a dependency or NOT on the existence > of the file "*/dev/async"* ? … This file does NOT exist Currently … Is the > presence of this file merely to suppress the below Error Message in Oracle > Trace files. > > > > Oracle *Trace Files* currently contain the *Message:-* > > Error - File '/dev/async' not present : errno=2 > > > > Related Link - > http://sap.ittoolbox.com/groups/technical-functional/sap-basis/ecc-upgrade-phase-tabimupg-error-1790565 > > > > > > *Existing Configuration:-* > > *Oracle 10.2.0.1* > > System name: HP-UX > > Node name: SPEHPPA1 > > Release: * B.11.11* > > Version: U > > Machine: 9000/800 > > Instance name: LOSDB > > Redo thread mounted by this instance: 1 > > Oracle process number: 0 > > Unix process pid: 21553, image: oracle@SPEHPPA1 > > > > Will provide any info needed …. Cheers & Thanks V much > > > > **************** CAUTION - Disclaimer ***************** > This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely > for the use of the addressee(s). If you are not the intended recipient, please > notify the sender by e-mail and delete the original message. Further, you are > not > to copy, disclose, or distribute this e-mail or its contents to any other > person and > any such actions are unlawful. This e-mail may contain viruses. Infosys has > taken > every reasonable precaution to minimize this risk, but is not liable for any > damage > you may sustain as a result of any virus in this e-mail. You should carry out > your > own virus checks before opening the e-mail or attachment. Infosys reserves the > right to monitor and review the content of all messages sent to or from this > e-mail > address. Messages sent to or from this e-mail address may be stored on the > Infosys e-mail system. > ***INFOSYS******** End of Disclaimer ********INFOSYS*** > > -- ========================= Stefan P Knecht Senior Consultant Systems Engineering OPITZ CONSULTING Schweiz GmbH Seestrasse 97 CH-8800 Thalwil Mobile +41-79-571 36 27 stefan.knecht@xxxxxxxxxxxxxxxxxxx http://www.opitz-consulting.ch OCP 9i/10g SCSA SCNA =========================