AIX offers a choice of either POSIX or legacy.  The point is that the
behavior changed.  TSM did not use, but tolerated, POSIX_AIO prior to
5.3.4.

Orville L. Lantto
Storage Consultant
 
 
GlassHouse Technologies, Inc. 
orville.lantto AT glasshouse DOT com 
www.glasshouse.com 
-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Richard Sims
Sent: Tuesday, February 06, 2007 3:00 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] Change in behavior in 5.3.4.0 POSIX_AIO

Orville -

All the TSM documentation I've seen for AIXASYNCIO calls for legacy
AIX "aio0" to be used, as fully laid out in the TSM 5.1 Technical
Guide redbook.  posix_aio0 is new in AIX 5.2, but differs in how
parameters are passed and in some of the function definitions.  One
must compile for one or the other (where posix_aio0 is now the
default when compiling).  I suspect that AIX is compiled for "aio0".
Anyone with further info, please chime in.

    Richard Sims