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Configuring a single IP address

 

 

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john.hearns at streamline-computing

Nov 1, 2007, 11:25 PM

Post #1 of 2 (316 views)
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Configuring a single IP address

I have a system which has three gigabit network interfaces,
and a single 10gigabit interface.
The 10G interface will be labelled eth3

On resource takeover, I ould like the eth3 interface to be configured
with a single IP address, 192.168.32.200/255.255.254.0

The IPaddr script would seem to be the right one for this - however it
does not have an option for configuring a specific interface?



Maybe making this clearer, I have an HS pair of two NFS fileservers.
On failover, I would like the IP Address of the 10G interface to move
over between the two servers.
I think it would be cleaner to have a single IP address move over - ie
to have th einterface up but not configured on the secondary host,
rather than have IPs up and have an alias configured.


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christian at rishoj

Nov 2, 2007, 9:01 PM

Post #2 of 2 (282 views)
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Re: Configuring a single IP address [In reply to]

On 2 Nov 2007, at 07:25, John Hearns wrote:

> I have a system which has three gigabit network interfaces,
> and a single 10gigabit interface.
> The 10G interface will be labelled eth3
>
> On resource takeover, I ould like the eth3 interface to be configured
> with a single IP address, 192.168.32.200/255.255.254.0
>
> The IPaddr script would seem to be the right one for this - however
> it
> does not have an option for configuring a specific interface?

The OCF RA IPaddr2 has a "nic" parameter.


> Maybe making this clearer, I have an HS pair of two NFS fileservers.
> On failover, I would like the IP Address of the 10G interface to move
> over between the two servers.
> I think it would be cleaner to have a single IP address move over - ie
> to have th einterface up but not configured on the secondary host,
> rather than have IPs up and have an alias configured.

You should be able to achieve this with the above.

Regards,
Christian
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