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Re: Backup Help

Posted By: Marcus Haarmann
Date: Wednesday, 13 September 2017, at 1:45 p.m.

In Response To: Re: RE: Backup Help (BENJI LONG)

I presume you want to perform logical log backup in a directory.
Set the LTAPEDEV parameter to the destination dir and check if the informix user is able to read and write to this dir.
(as root):
chmod 770 dir
chown informix:informix dir

perform
ontape -a -d
manually and your logs should be written in this dir one by one, with a numeric increasing extension.

onstat -l should now mark the backed up logs with a "B" flag.

The engine needs backup to be able to restore to a consistent state any time after the last full backup.
If that is not necessary for your setup, you could skip the log backup process and set the LTAPEDEV to /dev/null,
but that does not solve your situation now, because the engine does only throw away the logs automatically when
this parameter is detected at startup time.
Thus, a ontape or onbar backup of logs will be needed in any case to clear your situation.

For setting up an automatic backup, check the alarm program
(in onconfig, normally $INFORMIXDIR/etc/alarmprogram.sh)

edit the alarmprogram to react on a "log full" event by calling "ontape -a" (or a shell script which will do that
and monitor the output, to send you a mail if it fails).

ADMINEMAIL=admin@yourdomain.xx
BACKUPLOGS=Y (Standard is N)
BACKUPCMD="/opt/informix/bin/ontape -a -d"

(or a shell script which will give your more control).

the logs should be backed up automatically now.

Pls keep in mind the management of the files is up to you (onbar has a backup manager which keeps track on
which files are needed).
So you have to apply a logic for your full backups, and find out yourself which logs are not needed any more.

Best regards,

Marcus Haarmann

Von: "BENJI LONG" <ruggedmouse@hotmail.com>
An: "ids" <ids@iiug.org>
Gesendet: Mittwoch, 13. September 2017 19:25:56
Betreff: Re: RE: Backup Help [39844]

Hi, so onstat -l gives six files. One is U---C-L and the other five are
U------

ps -ef | grep ontape gives
informix 1897 1677 0 12:24 tty1

I will see if there is any space left. I'm new at Linux so need to look up how
to do that as well...ugh

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