[Linux-cluster] < fecing with out any hardware? >

[James Parsons]

Pool Lee, Mr <14117614 at sun.ac.za> wrote:

>Hi...
>
>I was wondering if it would be a good idea to fence without any type of hardware, besides the pc's.
>
>At the moment I have about 6 machines that I want to have a gfs on these 6 machines but due to budget constraints I cant afford to by hardware. How is it possible to fence without the use of hardware, besides manual fencing.
>
>These machines are your basic desktop pc's, each has a 80gig HD and a 3Ghz P4 processor. They are all connected by a 1 Gigabit switch.
>
>Would if be possible to use GFS or is there any other variant. They all run FC5( Fedora Core 5 ). I need some sort of GFS, because we intend on setting up a mysql clustering system as well.
>
>Any ideas would be greatly appreciated.
>
If you plan on doing anything with your cluster other than just 
tinkering...that is, if you intend to do real work with it, then you 
just need fencing. It is a requirement for a sound cluster/GFS environment.

Here is a WTI unit
http://cgi.ebay.com/WTI-NPS-115-Telnet-Dial-Up-Network-Power-Switch_W0QQitemZ9717474832QQcategoryZ86723QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

You can also find used APC switches there as well.

You just need fencing.

-J