Yes kwickcut, I did restart the apache. no effect. And I changed the value in all three php.ini's. No effect either.
But meanwhile I found other workarounds. They do not work on global scope but that's better than no scope at all
#1: pimping the starter script (in this case /home/www/php-fcgi-scripts/web2/.php-fcgi-starter ) so that it reads (mind the last line before $1)
# The variable PHP_FCGI_CHILDREN is onyl useful for lighty or nginx as apache
# mod_fcgi will control the number of childs themself and never use the additional processes.
# export PHP_FCGI_CHILDREN
exec /usr/bin/php-cgi \
-d open_basedir="/var/www/clients/client1/web2/web:/var/www/clients/client1/web2/tmp:/usr/share/php5:/tmp:/usr/share/typo3" \
-d upload_tmp_dir=/var/www/clients/client1/web2/tmp \
-d session.save_path=/var/www/clients/client1/web2/tmp \
-d upload_max_filesize=20M \
or, way more elegantly
#2: using .user.ini
by creating a file .user.ini in the web/ folder (should be found automatically) which contains
And that's just it. Hope it helps anyone.