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IDS Forum

IDS 11 computer reboot problems

Date: Monday, 14 April 2008, at 12:48 p.m.

I have been using Informix SE 7.24 for a long time. Now, due to the lack of support and the aging of the hardware, I am obliged to upgrade to a newer version of Informix, most probably IDS 11. However, I can't get IDS to work for me.
After obtaining trial copies of IDS 11 (workgroup and express, I have not managed to have a stable installation of it. I can successfully install it, start it, install a database on it, run dbaccess, install tools such as Client-SDK or ISQL, with no problems. The only and rather major problem is when the system is stopped and started again (regular reboot or forced shutdown), I can't get to have the server running again. The errors I get vary (after issuing either oninit, onmode, oncheck or onstat) but they all point to some shared memory problem.


1) [root@gage ~]# onmode -ky
shared memory not initialized for INFORMIXSERVER gage

2) oninit -i
[root@gage ~]# oninit -i

This action will initialize IBM Informix Dynamic Server;
any existing IBM Informix Dynamic Server databases will NOT be accessible -
Do you wish to continue (y/n)? y

Mon Apr 14 11:29:48 2008

11:29:48 Event alarms enabled. ALARMPROG = '/usr/informix/etc/'
11:29:48 Booting Language <c> from module <>
11:29:48 Loading Module <CNULL>
11:29:48 Booting Language <builtin> from module <>
11:29:48 Loading Module <BUILTINNULL>
11:29:53 Dynamically allocated new virtual shared memory segment (size 8192KB)
11:29:53 Memory sizes:resident:11664 KB, virtual:16384 KB, no SHMTOTAL limit
11:29:53 Dynamically allocated new message shared memory segment (size 528KB)
11:29:53 Memory sizes:resident:11664 KB, virtual:16912 KB, no SHMTOTAL limit
11:29:53 IBM Informix Dynamic Server Version 10.00.UC6E Software Serial Number AAA#B000000
11:29:53 Cannot Open Primary Chunk '/dev/online_root', errno = 2
oninit: Cannot open chunk '/dev/online_root'. errno = 2
oninit: Fatal error in shared memory initialization
11:29:53 IBM Informix Dynamic Server Stopped.

11:29:53 Process exited with return code 127: /bin/sh /bin/sh -c /usr/informix/etc/ 3 11 "Cannot open Chunk: '/dev/online_root'." "Cannot Open Primary C
11:29:53 mt_shm_remove: WARNING: may not have removed all/correct segments

3) [root@gage ~]# onstat -
shared memory not initialized for INFORMIXSERVER 'gage'

The bottom line, nothing works.
I have googled around for days now. Funny that postings of problems related to this "shared memory" issue abound on Google, but I have tried all proposed solutions and nothing worked.
I even had to find another box, format it clean, install Redhat Enterprise with the latest kernel (2.6.18-53.el5) on it ( I was starting to believe that maybe I had an issue of a bad glibc or else) but the problem remained.

I can go into the million things I have tried to fix this issue, but you probably don't have time for that.
The only time that I can have the server running is when I delete the informix directory and reinstall IDS. That is until the next reboot.

Can someone out there tell me what I need to to fix this problem and gain confidence in buying a version of IDS? I know it must be a simple fix.
Sorry for the long post...

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