Finally I am going to implement it on my home PCs each with 2 NICS before
attempting it in production servers. One(eth0) is connected to DSL cable for
intenet and other(eth1) I will use for Local intranet connectivity.
PC1: eth0: 10.0.16.111 eth0:0 10.0.16.115 eth1: 192.168.100.10
PC2: eth0: 10.0.16.113 eth1: 192.168.100.20
10.0.16.115 will be my VIP. Questions: Do I have to define eth0:0 in PC1 or
just declaring it in haresources file is ok. Now suppose if someone pulls the
cable of say, eth0 / eth1 of PC1 then PC2 will take over, RIGHT?
Dejan Muhamedagic <[EMAIL PROTECTED]> wrote: On Wed, Mar 28, 2007 at 07:10:58AM
-0700, Tanveer Chowdhury wrote:
> hey thanks. The problem is I m not in the position to install any GUI to
> setup this.
You don't need to install a GUI on the cluster itself, just on
your workstation, or any computer which would be able to access
some cluster node on some TCP port.
> Further I failed to match the link with my scenario. May be too
> dumb to understand that.
I didn't see what Alan prepared, but then I could well imagine
that it does have something to do with where you're trying to get.
> Anyway one thing also to ask if any
> interface gets down but the services are ok on master then how
> come the slave will take over?
A network interface is a resource. A service (or what you presume
to be a service) is also a resource. To heartbeat both are the
same. A failing interface is the same as a failing service, i.e.
it's a failed resource.
> Alan Robertson wrote: Tanveer Chowdhury wrote:
> > Hi all: Thank you for all your help and support. This is what I am
> > going to do after reading carefully the documentation.
> >
> > Server PC will have 3 NICS and all three NICS with real IP. Only one
> > NIC is aliased to support blocks of internal private network to
> > access Internet. You already know what scenario I am trying to
> > achieve here and also attached the document that I will follow with a
> > little modification to server my purpose. My slave has also 3 NICS
> > and will make an exact of IPs as it was in server when master server
> > fails.
> >
> >
> > Now my steps are as follows: As heartbeat only looks for services
> > which can be start/stop using service command so I made a service
> > script and put it in /etc/rc./init.d and it works. Below is the
> > script: [b] #!/bin/sh # /etc/init.d/ha #
> >
> > #some things that run always touch /var/lock/ha
> >
> > #carry out specific functions when asked to by the system
> >
> > case "$1" in start) echo " starting ha script to Change IP of Slave"
> > ifconfig eth0 192.168.100.11 netmask 255.255.255.0 up ...//all the ip
> > change command will write here and also iptbales rules one by one ;;
> >
> > stop) echo " starting ha script to change IP back" # ifconfig eth0
> > 192.168.100.10 netmask 255.255.255.0 up ...//change all the ip change
> > command will write here and also iptbales rules one by one ;;
> >
> > *) echo "Usage:: /etc/init.d/ha {start | stop}" exit 1 ;; esac exit 0
> > [/b]
> >
> > Now this script has all the IP configuration and will put this on
> > both master and slave so when Master start it will set the IP as
> > required and when master fails and stops the service then actually
> > executes the stop fucntion and slave takes over the virtual IP and
> > executes this script again setting the same IP configuration like
> > master though initially slave had a diff IP settings than master. AM
> > I right?
> >
> > What you think of this? Will this work or I m making some move ?
> > Please let me know. Waiting for your kind response.
>
>
> Why don't you just use our IPaddr resource that we already supply?
>
> Here's how to configure IPaddr (IPaddr2) using the GUI:
> http://wiki.linux-ha.org/Education/Newbie/IPaddrScreencast
>
> Hope that helps...
>
> --
> Alan Robertson
>
> "Openness is the foundation and preservative of friendship... Let me
> claim from you at all times your undisguised opinions." - William
> Wilberforce
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>
>
>
> ---------------------------------
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--
Dejan
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