Hello Martin,

All that I can add to your question is, that both messages for PIPE_IO
will not cause any problems, but they aren't marked with WNG too. So
maybe that is nothing new. The database kernel is only testing, how a a
pipe has to be checked for available data on your system.

Best regards,
Tilo Heinrich
SAP Labs Berlin

-----Original Message-----
From: Martin Cordova 
Sent: Mittwoch, 18. Oktober 2006 04:34
To: maxdb
Subject: Meaning of some warnings while starting database instance on
Linux

Hello:

I found these messages in knldiag. Since all my schemas on this
instance lost their indexes some time ago (I am still investigating),
I wonder if these warnings are important, and if they are, should I
use ulimit or something like that to solve it??

My platform:

OpenSuSE 10.0: Linux version 2.6.13-15.12-default ([EMAIL PROTECTED])
(gcc version 4.0.2 20050901 (prerelease) (SUSE Linux)) #1 Thu Aug 24
11:23:58 UTC 2006

Kernel    7.6.00   Build 027-121-124-939
X32/LINUX 7.6.00   Build 027-121-124-939

These are the messages:

2006-10-16 21:37:54  4261     11521 PIPE_IO  Operating system does not
support fstat for input check of pipes
2006-10-16 21:37:54  4261     11522 PIPE_IO  Input check for pipe with
poll supported
2006-10-16 21:37:54  4261 WNG 11000 INITIAL  Configured 2055 files.
Failed to open optional 1428 self io files.
2006-10-16 21:37:54  4261 WNG 11000 INITIAL  Limit reached at file
1011! Check user and system limits...
2006-10-16 21:37:54  4261 WNG 11000 INITIAL  Database tries to start
now, but can run into resource problem later...

My OS limits:

ulimit -a

core file size        (blocks, -c) 0
data seg size         (kbytes, -d) unlimited
file size             (blocks, -f) unlimited
max locked memory     (kbytes, -l) 32
max memory size       (kbytes, -m) unlimited
open files                    (-n) 1024
pipe size          (512 bytes, -p) 8
stack size            (kbytes, -s) unlimited
cpu time             (seconds, -t) unlimited
max user processes            (-u) 7935
virtual memory        (kbytes, -v) unlimited

Any help will be very appreciated.

Regards,
Martin
-- 
Dinamica - RADical J2EE framework
open source, easy and powerful
http://www.martincordova.com

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