I´m not a linux guy but I think your problem has to do with the
kernel filesystem limits. Check your /procs direcetory where the
kernel controls the system parameters. I think it´s somewhere
in /procs/kernel/filesystem or something like that.

Bye
Javier

--- In firebird-support@yahoogroups.com, <koehnlein@y...> wrote:
> We have Firebird CS 1.03 running on RedHat Linux.
> Instances in xinetd.conf set to UNLIMITED.
>
> Now after some users logged in we get the message
> "operating system directive open failed
> Too many open files in system"
>
> Our database is 10 Files with about 11 GB.
>
> We need help!!
>
> Thanks
>
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