single DocumentRoot for that purpose I opend httpd.include (for plesk normally present
in /var/www/vhsots/
setting in vhost.conf if u want, but there was no vhost.conf in the /conf directory
hence I created it (vi vhost.conf) and enter following code in it
DocumentRoot /path/to/new/documentroot
php_admin_flag engine on
php_admin_flag safe_mode on
php_admin_value open_basedir "/path/to/new/documentroot:/tmp"
and restarted my server, but changes didnt reflect hence I googled and found following
solution.
If you dont find following "Include /var/www/vhosts/conf/
in httpd.include then run following command
/usr/local/psa/admin/sbin/websrvmng --reconfigure-vhost --vhost-name=yourdomain.com
Plesk will add "Include" statement in httpd.include
And restart the server (service httpd restart OR /etc/init.d/httpd restart)
And Cheers..
---
I have found one more solution which is I can say technical cheating :) by creating
symbolic link
you remove any custom changes in your vhost.conf file and remove or rename the httpdocs directory entirely.
Then you run ln -s /path/to/new/documentroot httpdocs which will create the link.
This way Apache will still read from /path/to/old/documentroot and all the
settings will apply correctly, but the files are actually stored on the new path.