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  3. September 2003

RE: QINTER problems: CPF5390, CPF1317, CPF1189, CPF1196

That's been my belief also.

Perhaps the iSeries is as bad at recovering from device errors as the S/38 
was at recovering from communication errors?  There are some factors which 
lead me to believe that it is recovery from device errors.

This is an LPAR system.  And a vast bulk of the processors are allocated 
to this partition


% CPU used . . . . . . . :       10.7    System ASP . . . . . . . : 2443 G
% DB capability  . . . . :         .8    % system ASP used  . . . : 
85.7205
Elapsed time . . . . . . :   00:00:08    Total aux stg  . . . . . : 2443 G
Jobs in system . . . . . :      60953    Current unprotect used . : 23582 
M
% perm addresses . . . . :       .152    Maximum unprotect  . . . : 25798 
M
% temp addresses . . . . :      2.068  
  
Sys      Pool   Reserved    Max  ----DB-----  --Non-DB---  Act-   Wait- 
Act- 
Pool    Size M   Size M     Act  Fault Pages  Fault Pages  Wait   Inel 
Inel 
  1    2637.89    707.05  +++++     .1    .1    2.3  53.2   89.9     .0  
.0
  2    6456.94      4.65    818     .1 230.3  187.3 875.6  15947     .0  
.0
  3    2265.44       .19    292    2.3   3.5   15.5  29.6  408.2     .0  
.0
  4    3466.07       .01     80    1.0   1.0    1.3   3.2  857.9     .0  
.0
  5     173.64       .00     51     .0    .0     .0    .0     .0     .0  
.0

Resource        Type-model  Status                Text 
CEC01            9406-840   Operational           Main Card Enclosure 
PN01             247A       Operational           System Control Panel 
MP09             245F-000   Operational           System Processor Card 
MP10             245F-000   Operational           System Processor Card 
MP11             245F-000   Operational           System Processor Card 
MP12             245F-000   Operational           System Processor Card 
MP13             245F-000   Operational           System Processor Card 
MP14             245F-000   Operational           System Processor Card 
MP15             245E-000   Operational           System Processor Card 
MP16             245E-000   Operational           System Processor Card 
MP17             245E-000   Operational           System Processor Card 
MP18             245E-000   Operational           System Processor Card 
MP19             245E-000   Operational           System Processor Card 
MP20             245E-000   Operational           System Processor Card 
PV02             2418-001   Operational           Processor Capacity Card
PV01             1543-001   Operational           Interactive Card 
SP01             28AA       Operational           Service Processor Card
...

Partition identifier and name  . . . . . . . . :  1    GDIHQ 
 
Current / available number of processors . . . :  11  / 0 
New number of processors . . . . . . . . . . . .  11 
Use shared processor pool  . . . . . . . . . . .  1  1=Yes, 2=No
  New shared processor pool units  . . . . . . .   11 . 00 
 
Current / available size of main storage (MB)  :  15000    / 0 
New size of main storage (MB)  . . . . . . . . .  15000 
 
Current / available interactive feature  . . . :  95  / 0   % 
New interactive feature  . . . . . . . . . . . .  95  % 

Rob Berendt
-- 
"They that can give up essential liberty to obtain a little temporary 
safety deserve neither liberty nor safety." 
Benjamin Franklin 




"DeLong, Eric" <EDeLong@xxxxxxxxxxxxxxx> 
Sent by: midrange-l-bounces@xxxxxxxxxxxx
09/23/2003 09:16 AM
Please respond to
Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>


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Subject
RE: QINTER problems:  CPF5390, CPF1317,  CPF1189, CPF1196






Rob,

I know that this was recommended as of the later-generation CISC boxes, 
and
we had to try this when dealing with some response time problems.  This 
was
on a 310, and the advice seemed legitimate at that time.  However, I
seriously doubt that 450 users in a subsystem could be as much of a strain
on today's processors.... 

Eric DeLong
Sally Beauty Company
MIS-Project Manager (BSG)
940-898-7863 or ext. 1863



-----Original Message-----
From: rob@xxxxxxxxx [mailto:rob@xxxxxxxxx]
Sent: Tuesday, September 23, 2003 8:59 AM
To: Midrange Systems Technical Discussion
Subject: Re: QINTER problems: CPF5390, CPF1317, CPF1189, CPF1196


Any comments regarding IBM's first recommendation?

Is having more than 250-300 users in a single QINTER a performance issue?

Currently we have about 450 jobs in QINTER.  And some of those are 
multiple session users.


Rob Berendt
-- 
"They that can give up essential liberty to obtain a little temporary 
safety deserve neither liberty nor safety." 
Benjamin Franklin 




rob@xxxxxxxxx 
Sent by: midrange-l-bounces@xxxxxxxxxxxx
09/22/2003 02:11 PM
Please respond to
Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>


To
Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
cc

Subject
Re: QINTER problems:  CPF5390, CPF1317,  CPF1189, CPF1196






IBM's response:


 
It appears that the subsystem was busy processing device errors, and 
didn't respond to the Retrieve Group Attributes request.  After the 
interactive job wits 30 seconds for the subsystem to reply, it will post
the CPF1317. 
. 
Out first recommendation would be to check the number of users in the 
interactive subsystem.  We recommend only having 250 - 300 users in an 
interactive subsystem, and we may see a variety of errors if that number
is exceeded.  The subsystem is just bogged down too much with device 
processing if we have too many devices. 
. 
Second, there are a few PTFs we'd recommend for general subsystem 
concerns.  I'd recommend downloading and applying SI09702 and SI09642 
for 5722SS1.  There is a third PTF for APAR SE11621, but this third PTF 
is not yet available. 
. 
Hopefully, these recommendations should help prevent this problem from 
occurring again. 



By the way, this error occurred in SYS501C.  Some of you know what that 
program is, and also know that I do not have access to the source, etc.

I'll order the ptf's and see what they do.

Rob Berendt
-- 
"They that can give up essential liberty to obtain a little temporary 
safety deserve neither liberty nor safety." 
Benjamin Franklin 
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