memory, rootdbs problems

I had an informix DB up and runing on a HPUX 10.20 system running through Livewire and Netscape Enterprise Server 2.01 to publish data to the web. I had to rename the system (new ip and hostname) and remove the external Jaz drive and now my informix db engine wont work anymore. It made my rootdbs file = 0 length and when I try to run the start.sh file I get the message that it couldnt initialize memory for INFORMIXDIR I then tried reinstalling informix and then tried to start it and I got the same message but I did get a clean online.log file form it this time and it may shed some light on the situation online.log >Sun Mar 1 11:32:59 1998 > >11:32:59 DR: DRAUTO is 0 (Off) >11:33:11 INFORMIX-OnLine Initialized -- Complete Disk Initialized. >11:33:12 Checkpoint Completed: duration was 0 seconds. >11:33:12 Dataskip is now OFF for all dbspaces >11:33:12 On-Line Mode >11:33:12 Building 'sysmaster' database ... >11:33:26 Logical Log 1 Complete. >11:33:35 Logical Log 2 Complete. >11:33:37 Checkpoint Completed: duration was 1 seconds. >11:33:45 Logical Log 3 Complete. >11:33:55 Logical Log 4 Complete. >11:33:57 'sysmaster' database built successfully. >11:38:47 Checkpoint Completed: duration was 1 seconds. >11:40:46 shmget: [EEXIST][17]: key 52644801: shared memory alreadyexists >11:40:46 mt_shm_init: can't create resident segment I then told it to run the start.sh script rfom my profile login script and it gave me the following log file >Sun Mar 1 11:47:33 1998 > >11:47:33 DR: DRAUTO is 0 (Off) >11:47:33 INFORMIX-OnLine Initialized -- Shared Memory Initialized. >11:47:34 Physical Recovery Started. >11:47:34 Physical Recovery Complete: 0 Pages Restored. >11:47:34 Logical Recovery Started. >11:47:37 Logical Recovery Complete.> 0 Committed, 0 Rolled Back, 0 Open, 0 Bad Locks > >11:47:37 Dataskip is now OFF for all dbspaces >11:47:37 On-Line Mode >11:47:38 Checkpoint Completed: duration was 1 seconds. this looks like the engine is working but then when I go and run onstat - it tells me again that the memory is not initialized and that it can't find messgae 19511. If you have any clue as to how to solve this or know who I can contact please let me know... I have to have this fixed by tomorrow (monday) morning. Will Johnson