Re: reboot

In article <E7pJJy.J5M@nonexistent.com>, Jacob Salomon <jake@apparel.net> writes >Thuc Nguyen wrote: >> >> Hi everyone, >> >> Is there a way to start/stop the Online 5.03 engine when we reboot? >> >> Thanks in advance for the respond. > >For rebooting: >One of the things Unix does at reboot is run a script called >/etc/startup or something like that. You can put the "oninit" command >in there but doing that unembelished causes all kinds of grief. > >Write a shell script that will set INFOMRIXDIR, ONCONFIG, maybe >INFORMIXSERVER. It should also include $INFORMIXDIR/bin in its PATH. >Only then should it execute ONINIT. > >There is a habit I developed under Online 4.0: Let the script also sleep >about a minute before actually running oninit. This was because the >other daemon programs initiated by /etc/startup are also scavenging for >pieces of shared memory. I found that Informix, with its huge memory >requirements, seldom wins the scavenger hunt. The habit never went away >and I have not seen any reason to retract this paranoia. > We do not find this a problem - we run a product called TeamMail by ICL/Fuiji and this requires a lot of shared memory/semaphores. as long as enough are configured to handle both products we get no problems. >This precaution seems especially correct when you are starting several >OnLine instances. In years of teaching OnLine Admin at Informix, I >found that when several students started their little instances >simultaneously, most failed initially. I got into the habit of having >one person at a time start his (OK, or her.. ;) instance. This way I >was able to get 9 OnLine instances running simultaneously on G-30 with a >paltry 128Mb of main memory. > I have found thsi when on my Online Admin course at Informix. I'm not sure why this is. I start each online instance in turn i.e. do ...... ...... oninit NOT oninit & ...... ...... oninit oninit & i.e. wait for one to finish startup before starting the next one so that you do not get two starting in parallel. >I never had the issue with shutdown but I recall that /etc/shutdown (a >binary executable on my HP machine) it invokes a script that you can >diddle with. I just don't recall the name of that script. > >Anybody want to complete this? look in /etc/inittab and check when happens when you go to each run level (man init). -- David Williams