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03-07-2004 04:06 AM
03-07-2004 04:06 AM
informix listener not restarting
i have an HP-UX 10.x server with Informix DB on it. i also have some applications that access the Informix db and to enable that, i have a listener enabled on port 987. Every now and then, the listener goes down and i am not able to restart it on a command line. i get port bound error. the only way i am able to get it going again is by rebooting the system. i suspected omnitrig (we use bru utility to do our backup and on occasion, tar)and commented it out which seemed to help a little, however, somehow it gets re-initialized and the listener goes down again. i don't have that much experience with this and was hoping i can find some help here.
questions i have:
1. can i start the sqlexec as a service, rather then process off the command line, which i'm assuming would require kernel configuration.
2. how can i find out what holds up the port thus not enabling the listener restart.
3. what is omnitrig and do i need it.
any help would be appreciated.
thank you.
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03-07-2004 04:28 AM
03-07-2004 04:28 AM
Re: informix listener not restarting
netstat -rn or -an will get you a good look at the ports.
lsof
http://hpux.connect.org.uk/hppd/hpux/Sysadmin/lsof-4.70/
Can get you a better look.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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03-07-2004 07:04 AM
03-07-2004 07:04 AM
Re: informix listener not restarting
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03-08-2004 12:11 AM
03-08-2004 12:11 AM
Re: informix listener not restarting
- which Informix version are you using?
- do you use omniback/data protector for backups {logical logs and instance backups) ?
- as far as i know, Informix doesn't have a separate listener, it's bulting in the server and configured via sqlhosts and onconfig configuration files.
- hp-ux 10.20 needs some patches in order to run Informix without problems.
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03-08-2004 12:37 AM
03-08-2004 12:37 AM
Re: informix listener not restarting
- Informix version we're using is 7.20
- I dont' know what omniback/data protector for backups {logical logs and instance backups) is.
- to enable a "listener" i downloaded CSDK for Informix which required to have some type of a listener enabled on the HP end. I did that in the /etc/services file (as DAServer) and assigned it to port 987/tcp.
i then enabled it by excecuting the following command:
/usr/informix/lib/sqlexecd
we back up all files nightly using either BRU (backup and restore utility) or tar (once a week) and so far, i did not receive any errors. the db is not used at night by users but maybe used by cron jobs.
also, there were a bunch of patches installed a while ago but i wouldn't mind looking into that....just need to figure out how.