[Linux-cluster] Cisco fence agent
Takeshi NAKANO
tf0054 at gmail.com
Wed Apr 12 17:10:52 UTC 2006
Hello Matthew.
Thank for showing your code!
That is exactly same one which I will make.
> I like the network option because the host that is having problems
> will be able to write log entries after it has been fenced.
I can not agree more.
Thanks a lot.
Takeshi NAKANO.
2006/4/11, Matthew B. Brookover <mbrookov at mines.edu>:
> I do not know if this will help, but here is what I put together.
>
> We have 3 Cisco 3750 switches. I am currently using SNMP to turn off the
> ports of a host that is being fenced. I wrote a perl script called
> fence_cisco that works with GFS 6. I have attached a copy of fence_cisco to
> this message and its config file. I do not have much in the way of
> documentation for it, and it will probably take some hacking to get it to
> work with a current version of GFS. If you know a little perl, writing a
> fencing agent is not very difficult.
>
> I have also included a copy for the config file for fence_cisco. The first
> two lines specify the SNMP community string and the IP address for the
> switch. The rest is a list of hosts and the ports they use. You will have
> to talk to your local network guru to figure out Cisco community strings and
> the numbers involved. It took some tinkering to figure out how Cisco does
> this stuff, and even after writing the code, I am still not sure that I
> understand it. I do know that it does work, GFS does do the correct things
> during a crash.
>
> Most people use one of the power supply switches. Redhat provides the
> fence_apc agent that will turn off the power to a node that needs to be
> fenced. I like the network option because the host that is having problems
> will be able to write log entries after it has been fenced.
>
> You will need to get the Net::SNMP module from cpan.org to use fence_cisco.
> Matt
>
>
>
> On Sun, 2006-04-09 at 01:23 +0900, 中野猛 wrote:
>
> Hi all. Do anyone have cisco catalyst fence agent? If nobody make that, I
> will make. Thanks.
> -- Linux-cluster mailing list Linux-cluster at redhat.com
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>
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