Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
There are two ways. 1. Using symbolic links Let's say that you mount your drbd partition in /web and that you have a folder called www for your files. On drbd primary mkdir -p /web/var cp -rp /var/www /web/var/ Now you have copied all www files to /web/var mv /var/www /var/www.bak I like keeping copies, don't you? ln -s /web/var/www /var/www On the secondary there is no /web/var/www since /web cannot be mounted when the machine is in drbd secondary state, so you have to do: mv /var/www /var/www.bak ln -sf /web/var/www /var/www You do the same thing for /etc/httpd so that you only need to modify the config file on one machine and if it goes down, the second machine will have the same configuration file since it lives in the drbd partition under /web/etc/httpd. 2. Put a new etc, var, www folders on your drbd partition and make httpd read its configuration from there. This is done by modifying the init scripts to tell it to use the configuration files from a specific directory. If you use Fedora Core or RHEL, then this can be done without touching the init script /etc/init.d/httpd, by modifying /etc/sysconfig/httpd The Red Hat distros make /etc/init.d/httpd read the file /etc/sysconfig/httpd for aditional configuration options, so I added the line: OPTIONS="-f /web/etc/httpd/conf/httpd.conf" This means that every time that httpd is started, it is reading its configuration from: /web/etc/httpd/conf/httpd.conf Since /web is the mounted drbd partition, then when the server switches, the other node will have all apache configuration files as well to run the web server. You will also need to modify httpd.conf and any other configuration files to point to /web/var/www, /web/var/logs/https, etc The downside of option #1 is that if your package managment software is not careful enough, next time you update a package, your symbolic link can be blown and you will need to recreate it again. The downside to option #2 is that if you have to put the entry directly in your /etc/init.d/httpd script (non Red Hat distros may need it done this way), then upon a package upgrade the init script may be overwritten and you will need to modify it again to make sure it reads httpd.conf from: /web/etc/httpd/conf/httpd.conf Diego Christophe Mailhebuau wrote: > Hi, > > Do you know a howto to replicate /var/www on master and slave server > with heartbeat ? > > I installing drbd and he running successful. > > I just need configuring heartbeat > > thank for you help. >