From: Damir Delija (damir.delija@PBZ.HR)
Date: Fri Mar 14 2003 - 06:29:54 EST
We got answer from IBM support
there is fix for this problem
IY38422: DIRECT I/O BEING DEMOTED
Thanks for help!
Damir
> -----Original Message-----
> From: Joel Carmelo Genaro [mailto:joelg@BR.IBM.COM]
> Sent: Thursday, March 13, 2003 7:05 PM
> To: aix-l@Princeton.EDU
> Subject: Re: Regatta Thoughts...
>
>
> Hi,
>
> I don't know this possible problem.
>
> Sorry.
>
> Joel Carmelo Genaro
> Phone: +55 19 3887-8421 TieLine: 6839-8421
> Technical Support Team - SDC Brazil
> Strategic Outsourcing - IBM Global Services
>
>
> Damir Delija <damir.delija@PBZ.HR>@Princeton.EDU> on
> 13/03/2003 10:17:11
>
> Please respond to IBM AIX Discussion List <aix-l@Princeton.EDU>
>
> Sent by: IBM AIX Discussion List <aix-l@Princeton.EDU>
>
>
> To: aix-l@Princeton.EDU
> cc:
> Subject: Re: Regatta Thoughts...
>
>
>
> Thanks for answer !
> it is AIX5.2
>
> here it is
>
> [neptun][/tmp]>lsattr -El sys0
> keylock normal State of system keylock at boot time
> maxbuf 20 Maximum number of pages in
> block I/O BUFFER
> CACH
> maxmbuf 0 Maximum Kbytes of real memory
> allowed for
> MBUFS
> maxuproc 2000 Maximum number of PROCESSES
> allowed per
> user
> autorestart true Automatically REBOOT system
> after a crash
> iostat false Continuously maintain DISK I/O history
> realmem 14680064 Amount of usable physical
> memory in Kbytes
> conslogin enable System Console Login
> fwversion IBM,RG021019_GA3_H Firmware version and revision levels
> maxpout 0 HIGH water mark for pending
> write I/Os per
> file
> minpout 0 LOW water mark for pending
> write I/Os per
> file
> fullcore false Enable full CORE dump
> pre430core false Use pre-430 style CORE dump
> ncargs 6 ARG/ENV list size in 4K byte blocks
> pre520tune disable Pre-520 tuning compatibility mode
> rtasversion 1 Open Firmware RTAS version
> modelname IBM,7040-681 Machine name
> systemid IBM,01836514A Hardware system identifier
> boottype disk N/A
> SW_dist_intr false Enable SW distribution of interrupts
> cpuguard enable CPU Guard
> frequency 433000000 System Bus Frequency
>
> But there is one more problem with JFS2 we have noticed yesterday that
> oracle temp files
> are removed when fsck runs over FS (system crashed ..)
> it looks like it is up to size difference in allocation
> Do you maybe know something about this too ?
>
> Damir
>
> > -----Original Message-----
> > From: Joel Carmelo Genaro [mailto:joelg@BR.IBM.COM]
> > Sent: Thursday, March 13, 2003 1:50 PM
> > To: aix-l@Princeton.EDU
> > Subject: Re: Regatta Thoughts...
> >
> >
> > Hi,
> >
> > I had a problem with AIX, Oracle and AIO.
> >
> > And my problem was solutioned altering the
> > maxperm e minperm parameters.
> >
> > If do you want, you can execute the lsattr -El sys0 command
> > and see the values configured.
> >
> > Maybe this solution your problem.
> >
> > Regards,
> >
> > Joel Carmelo Genaro
> > Phone: +55 19 3887-8421 TieLine: 6839-8421
> > Technical Support Team - SDC Brazil
> > Strategic Outsourcing - IBM Global Services
> >
> >
> > Damir Delija <damir.delija@PBZ.HR>@Princeton.EDU> on
> > 13/03/2003 03:21:38
> >
> > Please respond to IBM AIX Discussion List <aix-l@Princeton.EDU>
> >
> > Sent by: IBM AIX Discussion List <aix-l@Princeton.EDU>
> >
> >
> > To: aix-l@Princeton.EDU
> > cc:
> > Subject: Re: Regatta Thoughts...
> >
> >
> >
> > Which version of AIX
> > 5.2 or 5.1 ?
> >
> > and which version of oracle ?
> >
> > We have some problems with AIX5.2 and oracle 9.2.0
> > on one LPAR oracle crash aix trough aio ...
> >
> > Damir Delija
> >
> > > -----Original Message-----
> > > From: Darryl Ousterhout [mailto:D.Ousterhout@LABSAFETY.COM]
> > > Sent: Wednesday, March 12, 2003 10:26 PM
> > > To: aix-l@Princeton.EDU
> > > Subject: Re: Regatta Thoughts...
> > >
> > >
> > > We have a new 690 running with 1.2 TB of SAN attached
> ESS800 disk, 8
> > > processors and 8GB of memory. This system replaced a 12way
> > > S70 with 1TB of
> > > SSA attached disk.
> > >
> > > We configured the 690 with 6 processors and 4GB of memory for
> > > 1 partition
> > > and the second partition got the rest. Our main Oracle
> > > environment saw huge
> > > improvements in speed and processing. The Oracle import and
> > > export process
> > > for optimizing the databases took a 24 hour period before as
> > > where it's
> > > running in about 7 hours now with twice the amount of data.
> > > Our nightly
> > > batch processing that was 9 hours is now down to just about 4.
> > >
> > > As for the administration, if you came from an SP setup, I
> > > find this a whole
> > > lot easier to manage. The setup is fairly simple if you know
> > > AIX at all. And
> > > with a little reading the partitioning isn't all that
> > > difficult either. The
> > > classes teach the 'behind the scenes' functionality that the
> > > Regatta has,
> > > but you don't necessarily need it to get it running.
> > >
> > > Just my 2 cents.
> > >
> > > Regards,
> > > Darryl
> > >
> > > -----Original Message-----
> > > From: Anthony F. Fiore [mailto:anthony.fiore@NYU.EDU]
> > > Sent: Wednesday, March 12, 2003 3:08 PM
> > > To: aix-l@Princeton.EDU
> > > Subject: Regatta Thoughts...
> > >
> > >
> > > Good Day,
> > >
> > > I was just wondering what p670/690 owners thought of
> > their systems
> > > in regards to the systems they replaced in terms of
> administration,
> > > speed etc...
> > >
> > > --
> > > Anthony Fiore
> > > System Administrator
> > > ITS Operations and Production Services
> > > New York University
> > > anthony.fiore@nyu.edu
> > >
> >
>
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