[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: [Linux-cluster] heartbeat over 2 NICs - Hi Christine



Hi,

in my config here I use 2 dual port network cards in each node. I run a
2 node cluster. The nodes are in two racks in the same room.

Port 1 of Card 1 and Port 1 of card 2 are bonded to bond0 and are (for
fail over and redundancy) connected to 2 Cisco switches. This
configuration is save even in the case if on network card will fail.

Port 2 of Card 1 and Port 2 of card 2 are bionded to interface bond1.
This interface has a private non routed address (192.168....) and is
connected to the second with 2 crossed network cables. Therefore I need
no switch for the cluster internal traffic. And that means more security
because a nonexixting switch can not fail.

This configuration works well now for the last two years.

Yours
Martin F├╝rstenau
Oce Printing Systems

On Wed, 2008-06-04 at 18:49 +0800, sunhux G wrote:
> Hi Christine,
>  
>  
> I could have searched Redhat knowledgebase but thought would
> be easier if I clarify here.   We plan to cluster two RHES, server A
> & server B (on Ver 5.1AP) 
>  
> a)besides the regular network port for the usual network traffic,
>    we only need one additional network port per server to set up
>    the clustering, is this right?
>  
> b)what if we want to use 2 network ports, then we have to bond
>    the two network ports on server A & the two network ports on
>    server B - is this right?
>  
> c)anything we need to do on the Cisco switch's ports end? We
>    are using Cisco 6513
> 
>  
> Thanks
> U
>  
> On 6/2/08, Christine Caulfield <ccaulfie redhat com> wrote: 
>         Jakub Suchy wrote:
>                 Hi,
>                 I would like to know, if it's possible to run
>                 heartbeat (through cman)
>                 over two dedicated network NICs. AFAIK, in old
>                 hearbeat code, it was
>                 possible using serial + NIC. Unfortunately, I was
>                 unable to find this in
>                 any documentation and this is the first time a
>                 customer is requesting
>                 this. (I am not talking about network bonding).
>                 
>         
>         Basically, no.
>         
>         If you want to use 2 NICs then bonding is what you need. cman
>         can use dual NICs after a fashion but it's not supported and
>         even less well tested.
>         
>         Sorry.
>         
>         -- 
>         
>         Chrissie 
>         
>         
>         --
>         Linux-cluster mailing list
>         Linux-cluster redhat com
>         https://www.redhat.com/mailman/listinfo/linux-cluster
>         
> 
> --
> Linux-cluster mailing list
> Linux-cluster redhat com
> https://www.redhat.com/mailman/listinfo/linux-cluster

Visit Oce at drupa! Register online now: <http://drupa.oce.com>

This message and attachment(s) are intended solely for use by the addressee and may contain information that is privileged, confidential or otherwise exempt from disclosure under applicable law.

If you are not the intended recipient or agent thereof responsible for delivering this message to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited.

If you have received this communication in error, please notify the sender immediately by telephone and with a 'reply' message.

Thank you for your co-operation.




[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]