ISD 10.UC5 installing on AIX 5.3

HI, We installed IDS 10 UC5 on AIX5.3. onstat -version: Program Name: onstat Build Version: 10.00.UC5 Build Number: N202 Build Host: ibm6c1b Build OS: AIX 5.2 Build Date: Thu May 18 00:09:08 CDT 2006 GLS Version: glslib-4.00.UC8 oslevel: 5.3.0.0 My question is, to enable AIO in AIX, sounds we have two options: run command smitty, smitty >> Devices >> Asynchronous I/O: Posix Asynchronous I/O Asynchronous I/O (Legacy) Which one should we turn on? Posix Asynchronous I/O or Asynchronous I/O (Legacy) ? Looks , it would be EXTREMELY slow if we turn on " Posix Asynchronous I/O" when we do dbimport! We use raw devices. Any explanation or recommendation are appreciated. Thanks, Frank

The legacy driver is the one to use. We use it since several months and have no problem with it. Regards Anselme

You should consider applying the AIX 5.3.0.5 fix level. Our experience with IDS 10.00.UC5 on AIX 5.3.0.0: We implemented this system for a customer and at times all access to the database server gets cut of and all connection attempts fail (both local and remote connections and even user informix won't be allowed on it) with the following error message in the log: "listener-thread: err = -951: oserr = 2: errstr = user@hostname: Incorrect password or user user@hostname is not known on the database server. System error = 2." Informix TS told us to apply some OS patches and AIX TS told us to apply the 5.3.0.5 fix level to get these patches and quite a few others available. We still don't know if this actually fixes the problem (as we haven't applied it yet) or if it was just a suggestion to get us to stop pushing TS for a solution. We'll see how it goes. Quman wrote: >HI, > >We installed IDS 10 UC5 on AIX5.3. > >onstat -version:> >Program Name: onstat >Build Version: 10.00.UC5 >Build Number: N202 >Build Host: ibm6c1b >Build OS: AIX 5.2 >Build Date: Thu May 18 00:09:08 CDT 2006 >GLS Version: glslib-4.00.UC8 > >oslevel: > >5.3.0.0 > >My question is, to enable AIO in AIX, sounds we have two options: > >run command smitty, > >smitty >> Devices >> Asynchronous I/O: > >Posix Asynchronous I/O > Asynchronous I/O (Legacy) > >Which one should we turn on? Posix Asynchronous I/O or Asynchronous >I/O (Legacy) ? > >Looks , it would be EXTREMELY slow if we turn on " Posix Asynchronous >I/O" when we do dbimport! We use raw devices. > >Any explanation or recommendation are appreciated. > >Thanks, >Frank -- Message posted via DBMonster.com http://www.dbmonster.com/Uwe/Forums.aspx/informix/200609/1