You do dd if=/dev/async of=/dev/null 
The error you expect is
   dd read error: I/O error
If you get "no such device or address", then async IO is not turned on.

Mladen Gogala
Oracle DBA
Phone: (203) 459-6855
Email:  [EMAIL PROTECTED]



> -----Original Message-----
> From: YTTRI Lisa [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, August 08, 2002 4:20 PM
> To: Multiple recipients of list ORACLE-L
> Subject: Async I/O - slightly off-topic
> 
> 
> Hi everyone - 
> 
> I am running on a unix server - HP-UX, version 11.0.  How can 
> I tell if
> async i/o is turned on?  
> 
> Thanks -
> Lisa
> 
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
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> Author: YTTRI  Lisa
>   INET: [EMAIL PROTECTED]
> 
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Author: Gogala, Mladen
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