listen-to clusterIP address

[Phil Mayers]

Peter Andreev <andreev.peter at gmail.com> wrote:

>2013/6/5 Phil Mayers <p.mayers at imperial.ac.uk>
>
>> On 06/05/2013 07:37 PM, paul wrote:
>>
>>> Hi. I have a two node active passive cluster serving webpages. When
>a
>>> failover occurs, I have to restart named on the now active node
>because
>>>
>>
>> You don't have to restart it. "rndc reconfig" will re-check the IPs
>on the
>> machine and re-listen.
>>
>>
>This definitely will not work if BIND dropped privileges after start.
>
>
>>
>>  the cluster Ip was not available when named originally started even
>>> though I have listen-to the cluster ip listed in my named.conf. Is
>there
>>> a way to make named listen-to an ip address that is not yet
>available?
>>>
>>
>The cimplest way, I think is to configure cluster IP on loopback
>interfaces
>and set up routing
>
>
>>
>> No. This has come up before - the bind listen-on statement is an ACL
>which
>> is matched against the list of IPs on the box, not a list of IPs
>passed to
>> the bind() syscall. There are various solutions, but "rndc reconfig"
>is the
>> right one IMO.
>>
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As has been pointed out to me off list, this depends on your os. It definitely *does* work under Linux. But apologies for assuming!
-- 
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