HDTenEightyP/NetNews huggingface dataset:
From: ivan@ne.ncsu.edu (Ivan Maldonado)
Newsgroups: comp.unix.aix
Subject: HUGE runs on an RS6000 (What is Sleep Time ?)
Keywords: page space, sleep time
Date: 11 Apr 92 17:56:19 GMT
Reply-To: ivan@nepjt.ne.ncsu.edu (Ivan Maldonado)
Organization: North Carolina State University, Raleigh


Hello,

I recently reconfigured our RS6000 (M320) strictly with the intent
of running HUGE applications (i.e., added sufficient page spacing).
Of course, we expected degraded performance due to paging, but if
these applications could run overnight, in our terms, are considered
'reasonable'.  Because until recently, we required a CRAY to execute 
programs that required up to about 40 Cray MegaWords and about 1 to 2 
hours of Cray CPU time.

The first few tests of a 100 MegaByte run seemed a success, because
they took about 12-14 hours of actual (wall-clock) time.  We noticed,
however, that the CPU time calculated by second() showed that the
user (+system?) time was about 6-7 hours (which were even better news).
The difference is being attributed to SLEEP TIME, said to not be
charged to user or system time.

I submitted these runs using the at command, and they took place
mostly at night with no users logged in.  What exactly is this
"sleep time"?  It almost appears to include activities associated
with page faulting.  Is running interactively (instead of with
the at command) a way around such large "sleep times"?

Thanks,

-Ivan ("sleepy_dude")


--
 ------------------------------------------------------------------------
 | Guillermo Ivan Maldonado        |  Internet: ivan@nepjt.ne.ncsu.edu |
 | Dept. of Nuclear Engineering    |            ivan@flyer.ncsc.org    |
 | North Carolina State University |-------------------------------------
 | NCSU Box # 7909                 |  Go USA !! (1994 host to the WC)  |
 | Raleigh. NC 27695-7909          |    ..How many jobs ya' got MON!?  |
 ------------------------------------------------------------------------
Newsgroups: comp.unix.aix
From: jrh@jrh.uucp (James R. Hamilton)
Subject: Re: Kernel reconfigs
Organization: private system, Toronto, Canada
Date: Sun, 12 Apr 1992 00:38:04 GMT

In article <odsbp0e00hMg8Q10gv@cs.cmu.edu> Sean.Levy@cs.cmu.edu writes:
>I want to configure my AIX 3.1.5 kernel (rs6k) such that SysV shared
>memory and IPC primitives are included (if they aren't by default) AND

    They are by default.

>so that the resource limits on various parameters of these facilities
>are large enough for my application (which, under SunOS and Ultrix,
>requires upping the default limits). As it is, I can't figure out how

    You didn't specify which limits you were referring to but if you
    worried about the usual stuff like file table size and process
    table size, you have little to fear.  The default (and untunable)
    file table size is 200,000 and the process table size is 131,000.
    More than enough for any application I've ever worked on and hope-
    fully enough for yours.

>the kernel stuff is laid out so that I can check the current config in
>the first place, or even if AIX allows me to do so. I suspect the ODM
>database (or whatever it is called) is somehow involved, but do not
>have the online info handy, nor the printed docs (at any rate I, for
>one, find the so-called hypertext info browser supremely useless).
>
>Could someone send me a pointer to the relevent docs, if there are
>such things? Better yet, a brief sketch on what I want to know (but
>I'll gladly take ANYTHING).

    IMHO, the RS/6k documentation library is missing a good quality
    description of the kernel and file system internals.  I would
    particularly like to see a precise description of the file system
    design.  Knowing when a filesystem will access datablocks through 1,
    2 or 3 (never under AIX V3) levels of indirection can be quite 
    useful when designing performance sensitive applications.  Some of 
    this  information is available if your willing to read the header 
    files but, call me a wimp, thats not my favorite information source.

                       --jrh

-- 

James Hamilton                             Toronto, Canada
inet: jrh@jrh.gts.org                      home telephone: +1 416 493 4162
uunet: ...!uunet!jrh!jrh                   work telephone: +1 416 448 2113
From: crgreg@sdrc.COM (Greg Marion)
Newsgroups: comp.unix.aix
Subject: max external symbol names
Keywords: external names
Date: 13 Apr 92 20:10:00 GMT
Organization: SDRC, Cincinnati

What is the maximum length of a external name in fortran and c ? Is it
controlled simply by the linker or is it a compiler limit ? Where is 
this information kept ??? HELP !!!

Thanks - Greg Marion
From: mycroft@hal.gnu.ai.mit.edu (Charles Hannum)
Newsgroups: comp.unix.aix
Subject: Re: AIX 3.2 Gratuitous Incompatibility #1
Date: 7 Apr 92 17:24:17 GMT
	<1992Apr3.154542.14456@awdprime.austin.ibm.com>
	<1992Apr05.074920.15840@adasoft.ch> <1620@rufus.UUCP>
	<20606@rpp386.lonestar.org> <3467@sapwdf.UUCP>
Organization: None.  Utter chaos.


> for the original poster: educate me--why would someone want to run
> more than one getty on a single terminal?

The reason is not important; the fact of the matter is that I do.

> for lack of documentation: um, upon failure, don't people get an
> error message, or doesn't an error appear in the error log with the
> word "virtual" in it?  one could quickly look up virtual in info
> which would show the command to change the value.  (we don't have
> 3.2 over here yet, so i can't see for myself.)

In theory, yes.  In practice, of course not.  Not only does the server
not give me a useful error message, but the information is simply not
in InfoAbhorer.

> i think i agree with ibm: there are now often far better solutions
> than virtual terminals (an idea that was slick in the 70's).

I think you're confused.  The question has never been whether the
change was "good" or not.  The question is why it wasn't documented.
From: eeep@carina.unm.edu (Peter Blemel)
Newsgroups: comp.unix.aix
Subject: AIX2.2.1 X11R5 server problems...
Summary: Server is hanging.
Date: 6 Apr 92 14:07:22 GMT
Article-I.D.: lynx.47njy4j
Organization: Disorganization

Hello,

I've gotten the X11R5 server for the IBM RT from export.lcs.mit.edu and
it almost works. This is AIX2.2.1. The release notes say that the backing
store is broken but the Megapel server works okay without it. I'm a complete
X-rube when it comes to source code, so I'm winging this installation. I'm
trying to figure out why my server keeps hanging, and I've learned the
following... The code to turn off the backing store is not included by
default, but rather has a few compile time flags to include it. Unfortunately
I am pretty short of disk space, so I cleaned up the distribution tree
and restored all the stuff I put to tape to make space to install X.  I've
removed all the .o's so I'm munging about with adb to modify values in the
server (dbx doesn't seem to want to do it). I've set the following:

	disableBackingStore = 0x1
	defaultBackingStore = 0x0
	ibmBackingStore = 0x0

Now, the following behavior is observed... I can start twm, xterm, and xclock
and things seem to run okay. If I try to use the twm pulldown menu, I get
a black shadowed box (about the right size and shape of the twm menu on my Sun4),
but the text never gets filled in and the server hangs at this point. By
hanging, I mean that I can no longer see or move the mouse. If I'm using an
xterm and I try to use the pop-up menus (ctrl-left mouse, etc), the box 
pops up with the correct border drawn (black border, inside painted white), but
the server hangs at this point also. I never see the menu entries filled in
either. I don't start a window manager, but just an xterm, telnet to the
RS/6000 and run mwm -display rt:0.0, I get the hourglass cursor and after a
moment or two the server hangs (e.g. I can not move the mouse, etc.).

Does anyone have any experience with X11R5 and the RT running AIX2.2.1? Am I
seeing a memory contention problem? This is a 6150/135 with 16mb RAM and about
32mb of swap space. I've also installed the kernel patch that inhibits programs
from consuming the machine in monitor mode (Interleaf was killing the system).
The X11R5 source was patched through to fix-10 before I began compiling everything.

Any pointers would be greatly appriciated. If anyone has an Xibm binary that
they can make available I'd be forever greatful.

Peter Blemel
eeep@triton.unm.edu
msinc@jupiter.nmt.edu
From: jgjack@uctvax.uct.ac.za (Graham Jack)
Newsgroups: comp.unix.aix
Subject: REQUEST: Backup Software Under RS/6000 AIX
Date: 5 Apr 92 13:05:56 GMT
Organization: University of Cape Town

Hi AIX users,

  I currently operate an IBM RS/6000 model 320 under AIX. The system
  configuration includes +/- 1500 Megabytes of disk and a single 150 Megabyte
  tape drive.  All backup operations have been performed using either tar
  or cpio. We have just ordered an 2nd system, this time a model 560
  with 3000 Megabytes of disk and a 8mm tape system.  The new tape drive
  is going to be used to backup the entire 4.5 Gigabytes of disk.

  My question is, is there any better backup software available on the
  IBM RS/6000? I am interested in both public domain and commercial software.

  Please post all comments directly to me and I will summarise for the net.

Thanks in advance,
Graham Jack.
==========================================================================
Graham Jack, Department of Electrical and Electronic Engineering
University of Cape Town, Private Bag Rondebosch, 7700, South Africa.
email: JGJack@ElecEng.uct.ac.za  or  JGJACK@uctvax.uct.ac.za
phone: +27 (21) 650-2813, FAX: +27 (21) 650-3465
==========================================================================
Newsgroups: comp.unix.aix
From: pack@acd.acd.ucar.edu (Daniel Packman)
Subject: Re: migration from 3.1.5 to 3.2 ( rs6000 )
Keywords: 3.2, aix
Organization: Ntl Center for Atmospheric Research, Atmospheric Chemistry
Date: Thu, 16 Apr 1992 19:27:01 GMT

In article <1992Apr16.030413.10024@cactus.org> miller@cactus.org (Marc R. Miller) writes:
>...
>I also would be interested in peoples experiences in upgrading, especially
>using the upgrade tools.  Either post them or send them to 
>mrmiller@austin.vnet.ibm.com. I periodically have to teach this material
>and I was involved in the evolution of the upgrade tools.

The extensive manuals are a great help in the upgrade.  One gripe (what,
just one?):

The command "mksysback" for making a bootable backup of the root volume
group seems to assume that all critical system files for all models are
present.  The information in the 3.1.7 upgrade specifically listed files
that could be deleted for 7xx machines and those with only the skyway
adaptor.  With these files missing, the backup script fails.  Perhaps
it would be more useful to either give a warning and continue or even
to see if the configuration is consistent with the current hardware.

--
Dan Packman     NCAR                             INTERNET: pack@ncar.UCAR.EDU
(303) 497-1427  P.O. Box 3000
                Boulder, CO  80307-3000      DECNET  SPAN: 9583::PACK
Newsgroups: comp.unix.aix
From: mycroft@hal.gnu.ai.mit.edu (Charles Hannum)
Subject: Re: Problem making gcc 2.1
Organization: None.  Utter chaos.
Date: Mon, 6 Apr 1992 13:01:19 GMT


In article <1992Apr06.112646.124881@link-1.ts.bcc.ac.uk>
ccaajrl@ucl.ac.uk (Jack Levy) writes:
>
> My attempt to build gcc 2.1 under AIX 3.1 fails in step 6 of the install
> (make LANGUAGE=c).  The end of the output (slightly reformatted for
> legibility) is as follows:
>
>   [...]
>
>   _muldi3
>   Assembler:
>   /tmp/ccOkcCzR.s: line 25: Error In Syntax
>   1254-004  The error code from the last failed command is 1.
>
> Can anyone tell me what this means?

It means you need the assembler fix, ix22829.
From: fredrick@acd.acd.ucar.edu (Timothy Fredrick)
Newsgroups: comp.unix.aix
Subject: Need help with rpc.statd and rpc.lockd messages (AIX 3.2)
Date: 8 Apr 92 08:07:21 GMT
Article-I.D.: ncar.1992Apr8.080721.18852
Organization: Ntl Center for Atmospheric Research, Atmospheric Chemistry

For each workstation that I've upgraded to AIX 3.2 so far, we start to
get these messages on the console:

	Cannot register service: RPC: 1882-008 timed out
	rpc.statd: 1831-119 unable to register
		(SM_PROG, SM_VERS, udp)
	rpc.lockd: 1831-057 unable to register
		(NLM_PROG, NLM_VERS, tcp)

Are we missing something in /etc/services?  Any suggestions or help or
comments would definitely be appreciated.  Thanks in advance.

--Tim (fredrick@ncar.ucar.edu)
From: tutui@silk.imel.kyoto-u.ac.jp (Takashi &)
Newsgroups: comp.unix.aix
Subject: Re: SLIP problems under AIX 3.1.5 (rs6k)
Date: 15 Apr 92 18:07:35 GMT
Organization: Dept. of Medical Informatics, KYOTO Univ. Hospital, KYOTO, Japan.

I couldn't figure out what are you in trouble, but, the number you
get into trouble 1007 can easily be changed using smit tcp/ip
interface driver section. I am using AIX's slip between 9600 modems, to
connect to Sparcstation (4.1.1+slip4.1-beta), and works fine :).
response is slow, but may be as such.
 The hardest point you should care about to connect slip is: to
prepare transparent data path: Xon/Off handling should be
disabled, and telnet escape ^] also should not be there between
links.
 I want to use telnet path for slipping, but in vain(may be for the
sake of escape char).
--
TAKASHI Tsutsui M.D.		tutui@silk.imel.kyoto-u.ac.jp
Dept. of Medical Informatics Hospital of KYOTO Univ.
SAKYO-ku KYOTO JAPAN	Zip 606		Phone +81-75-751-3647
  (automaticaly switched to the fax)	Fax   +81-75-751-3647
From: mwarren@rws1.ma30.bull.com (Mark Warren)
Newsgroups: bit.listserv.aix,comp.unix.aix,bull.sys.aix
Subject: QIC tape programming issue
Date: 7 Apr 92 13:22:36 GMT
Organization: Bull HN Informations Systems Inc.

I got no response when I asked this the first time, so I'll try again.

We have an application that needs to be informed if someone inserts or
removes the tape cartridge from a QIC tape drive.  Does the AIX SCSI
driver detect this (it must!), and can the user process be signalled
when it happens?

If not, is there an ioctl I can issue periodically to see if the
status of the drive has changed since my last known operation?

Thanks in advance,
--

 == Mark Warren                      Bull HN Information Systems Inc. ==
 == (508) 294-3171 (FAX 294-3705)    300 Concord Road   MA30/MS833A   ==
 == M.Warren@bull.com                Billerica, MA 01821              ==
From: mycroft@hal.gnu.ai.mit.edu (Charles Hannum)
Newsgroups: comp.unix.aix
Subject: utmp fixed in 3.2!
Date: 6 Apr 92 22:19:38 GMT
Organization: MIT Laboratory for Computer Science


Hey, they fixed the utmp lossage in 3.2!  Now each login has a valid
ut_id field.

It's about time!

(Didn't anyone in Austin read SVID the first time around?)
From: john@newave.UUCP (John A. Weeks III)
Newsgroups: comp.unix.aix
Subject: Re: How Do You Partition A Disk In AIX?
Date: 11 Apr 92 05:33:10 GMT
Article-I.D.: newave.1415
Reply-To: john@newave.UUCP (John A. Weeks III)
Organization: NeWave Communications Ltd, Lake Wobegon, MN

In article <1633@rufus.UUCP> drake@drake.almaden.ibm.com (Sam Drake) writes:
> In article <1412@newave.UUCP> john@newave.mn.org (John A. Weeks III) writes:
> > I just obtained an RS/6000 with two 400 M-Byte disks.  
> > The second disk does not appear to be set up in any way.  I 
> > cannot figure out how to make partitions on this disk ...

> No, the logical volume manager is where you want to go.  

Thanks everyone for all the help...I was trying to make this much
harder than it is.

-john-

-- 
=============================================================================
John A. Weeks III               (612) 942-6969             john@newave.mn.org
NeWave Communications, Ltd.           ...uunet!umn-cs!kksys!tcnet!newave!john
Newsgroups: comp.unix.aix
From: madd@world.std.com (Bob Nagle)
Subject: Re: Slowness of realloc() under AIX32
Organization: The World @ Software Tool & Die
Distribution: usa
Date: Mon, 13 Apr 1992 15:54:46 GMT

landy@bear.austin.ibm.com (Landy Ligon) writes:

>landy@bear.austin.ibm.com (Landy Ligon) writes: (BUT SHOULDN'T HAVE)
>> You can do this in a shell script that invokes your
>> application or by using putenv("MALLOCTYPE=3.1") in your C code.
>			  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>I lied.  You can't do this!!!!!!  Unfortunately putenv calls malloc so
>by the time the env variable is set it's too late.

By the time main() is called, it's already too late.  crt0 calls
NLinit() which makes lots of calls to malloc() in the name of National
Language support.

The only reason why you could change the malloc allocation routines
under 3.1.7 (eg toq MX_FAST) was that the storage allocated by NLinit()
would never be freed.

Happy hacking,

jim frost
madd@world.std.com
From: curt@aixwiz.austin.ibm.com (Curt Finch)
Newsgroups: comp.unix.aix
Subject: Re: NIS and DNS on AIX 3.1.5
Date: 6 Apr 92 15:09:30 GMT
Reply-To: curt@aixwiz.austin.ibm.com (Curt Finch)
Organization: IBM AWD, Austin, TX

scl@sasha.acc.Virginia.EDU (Steve Losen) writes:

>So does anyone know how NIS and DNS interact on AIX?  I wouldn't be
>surprised if my unorthodox NIS configuration is at fault, but I'm
>just curious if anyone knows how rlogin, telnet, and friends behave
>when both NIS and DNS are available.

If a /etc/resolv.conf file exists and has valid entries, then NIS is
not consulted for hostnames.

If a /etc/passwd does not have a '+' entry then NIS is not consulted
for user info.

A little known NIS AIX trick which probably only works on 2007 or
greater:  If you run with NIS with a + in the passwd file but not in
the group file, you can still boot and do a few minimal things as root,
(like turn off NIS) even when the NIS server is down...  (try THAT on a
Sun.)

curt@aixwiz.austin.ibm.com (Curt L. Finch) | AIX NFS/NIS Field Quality 
My views are unrelated to those of IBM     |       Austin, TX
 "A little rebellion is a good thing now and then" - Thomas Jefferson
From: eliot@stalfos.engr.washington.edu (Brutus Thornapple)
Newsgroups: comp.unix.aix
Subject: Re: AIX/370 performance
Keywords: AIX/370 4381 slow
Date: 14 Apr 92 00:27:34 GMT
Distribution: na
Organization: clearer than blir

>In article <1992Apr10.84946.8075@ms.uky.edu> mollett@ms.uky.edu (Vic Mollett) writes:
>> It is defined to VM to have 16M of virtual memory (I think there is
>>a way to dedicate a chunk of the 4381's RAM to AIX/370, but that has not been
>>investigated yet -- anybody know??) and the overall load on VM is relatively
>>small (a handful of users and some service machines).  Does anyone know of a
>>nice way to make improvements in performance?? 

We used to have a 4381 w/ VM/HPO 5.0 and AIX/370. (Not even XA!!)  We
ran it mostly as an NFS file server and it was configured to have 8M
V=R, i.e. have 8M of the 4381's real memory dedicated to it.  It ran
very satisfactorily and fulfilled its role very well.  We had
occasional logins and such, but most processing was done on RS6K's.

I experimented running it 16M V=V a couple of times and the performance
was much inferior.

>> Is a 4381 really too small of a machine to run AIX/370??

Not in our experience.  We had a model Q13 (single CPU) w/ 32M of RAM.
If you already have a V=R region configured, you might want to
consider giving it a shot.  We didn't have any success with dedicated
disks though.

eliot
Newsgroups: comp.unix.aix
From: leonard@aix3090b.uky.edu (Leonard Lauria)
Subject: Re: again ! RS6000 >100 user
Organization: University Of Kentucky, Dept. of Math Sciences
Date: Tue, 14 Apr 1992 08:09:47 GMT
X-Bytes: 

iafinger@techfak.uni-bielefeld.de (Axel Finger) writes:

>Hi,

>Are there only two or three person with experiences about a RS6000
>where are more than 100 users are connected at a time ?

>IBM says no problem with a RS6000/550 with 256 MB Ram

>We`ll use ASCII terminals (IBM 3151 or so)

>But these three persons who answerd me are not so optimistic....

>Please send me your opinions. Or are there only happy users ?

>-- 
>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>Axel Finger                                %                                               
>E-mail: iafinger@techfak.uni-bielefeld.de  %                                              
>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


I have not heard of  too many sites running lots of users.  We are
preparing to move around 12000+ users, with hopes of 200 or so concurrant
users to a rs6000 950, 512M.  Guess we will see.

How bout people with lots of disk space?  Anyone out there with say,
10 or 20G of disk space?  How do you manage it?  How do you back it
up, and manage the tapes that you use?  How well is it accessed by
aix/the rs6000?  Fast?  What about downtime/startup time after a crash?


thanks again!

Leonard
Organization: Bar-Ilan University Computing Center, Israel
Date: Monday, 13 Apr 1992 09:30:45 IST
From: Shlomit Rot <P88033@BARILVM.BITNET>
Newsgroups: comp.unix.aix
Subject: Video recording
Distribution: usa

Hi,
Can anyone recomend an hardware+software solution for recording animaton
from the rs6000 to a standart video tape. If you know the price of that
solution i'll be most gratefull for the information.
    Thanks
     Shlomit
     P88033@BARILVM.BITNET
From: sdl@adagio.austin.ibm.com (sdl)
Newsgroups: comp.unix.aix
Subject: Re: Question on floating-point numbers
Date: 7 Apr 92 22:08:13 GMT
Reply-To: sdl@glasnost.austin.ibm.com
Organization: IBM PS Programming


In article <1992Apr6.213825.3876@ecl.psu.edu> cxt@ecl.psu.edu writes:

cxt> Does anybody know the largest floating point number and the smallest
cxt> floating-point number and the base of the floating-point number.

Have a look in /usr/include/values.h

For double precision (REAL*8)
#define MAXDOUBLE     1.7976931348623157e+308
#define MINDOUBLE     4.94065645841246544e-324

For single precision (REAL*4)
#define MAXFLOAT      ((float)3.40282346638528860e+38)
#define MINFLOAT      ((float)1.40129846432481707e-45)

The base for the internal representation is 2.  The RISC System/6000
uses IEEE floating point format.  For lots of information about this
format, see "What Every Computer Scientist Should Know About
Floating-Point Arithmetic" (ACM Computing Surveys, Vol. 23, No. 1,
March 1991).


--
--------------------------------------------------------------------
Stephen Linam   PSP Austin   T/L: 678-3308  Bell-net: (512) 838-3308
Inside IBM: sdl@adagio.austin.ibm.com      IBM VNET: LINAM at AUSTIN
From outside IBM: sdl@glasnost.austin.ibm.com
Quae narravi, nullo modo negabo.            I speak for me, not IBM.
From: tnnvra@rwa.urc.tue.nl (Ronald Aarts)
Newsgroups: comp.unix.aix
Subject: rarpd on RS/6000
Date: 14 Apr 92 11:01:52 GMT
Reply-To: tnnvra@urc.tue.nl

Is there anybody out there who has succesfully compiled and installed a
RARP-daemon on a RS/6000 (Aix 3.1.5) ?

Please send me E-mail. I'll post an overview of the answers.

Ronald Aarts

Eindhoven University of Technology | Internet: ronald@lowt.phys.tue.nl
                                   |           tnnvra@urc.tue.nl
P.O. Box 513, N-laag d.1.08        |    Phone: +.31.40.474213
5600 MB Eindhoven, The Netherlands |      Fax: +.31.40.453587
From: clark%asylum.utah.edu@cs.utah.edu (Charles Clark)
Newsgroups: comp.unix.aix
Subject: XGA X-Windows Server for PS/2 AIX on Mod. 70 & 80's?
Summary: Has this been released by IBM?
Keywords: XGA X-Windows PS/2 AIX
Date: 7 Apr 92 16:28:34 GMT
Article-I.D.: hellgate.1992Apr7.102835.12324
Followup-To: comp.unix.aix
Distribution: usa
Organization: University of Utah CS Dept

A quick question for you fellow PS/2 AIXer's:

Almost six months ago IBM released an X server that fully supported the XGA 
graphics adapter on the Mod. 90 & 95's.  At that time it was announced that
a future release of the X server would extend this support to the Mod. 70 & 
80's.  Has this happened yet?

Thanks...	clark@cs.utah.edu