RE: Fatal error in shared memory during system reboot

Did you shut down properly ? If you did not, you will first have to delete the files in /INFORMIXTMP before starting up. -----Original Message----- From: owner-informix-list@iiug.org [mailto:owner-informix-list@iiug.org] On Behalf Of steven_nospam at Yahoo! Canada Sent: 24 August 2005 08:15 PM To: informix-list@iiug.org Subject: Fatal error in shared memory during system reboot Scenario: ========= During a system reboot, our startup routines are automated and try to bring up the Informix instances. These are standard commands that usually work without incident. The startup process (PID 1) runs a script in the inittab that sets the Informix environment and issues "oninit" followed by "onstat -" a few seconds later. These activities are logged so we can see what happens. Problem: ======== Some of our systems are giving the following messages: >Starting up instance...Executing "oninit" for instance "data1" >oninit: Fatal error in shared memory creation > >Verifying instance "data1" status using "onstat -"... >IBM Informix Dynamic Server Version 9.40.FC3 -- On-Line -- Up When we check the instance afterward, it has shut itself down. However, if we run the same script from a terminal after the system has been started, the instance starts up fine. To top it all off, we have another site using the same version and O/S level, same startup routine, and it starts fine on that one. >Starting up instance...Executing "oninit" for instance "data2" > >Verifying instance "data2" status using "onstat -"... >IBM Informix Dynamic Server Version 9.40.FC3 -- On-Line -- Up Any ideas why during a system reboot the instance may not want to start, but will start okay afterward? Nothing should be in ipcs at that point to interfere, but the only error I get from "onstat -m" complains about a shared memory conflict: 09:55:43 IBM Informix Dynamic Server Started. 09:55:43 shmget: [EEXIST][17]: key 52584801: shared memory alreadyexists 09:55:43 mt_shm_init: can't create resident segment Environment: ============ IBM RS/6000 Running AIX 5.2 (64-bit) Informix IDS 9.40 FC3 sending to informix-list