How to minimize the downtime in my case

[Shawn Bakhtiar]

Given the that you will eventually stop using ns1 and ns2 You should probably set up mynewns1 as the master with mynewns2 as a slave of mynewns1.


Date: Fri, 15 Mar 2013 01:05:50 +0530
Subject: Re: How to minimize the downtime in my case
From: manishr78 at gmail.com
To: lathama at gmail.com
CC: bind-users at lists.isc.org

Will my new config would look like this? will it be a Slave for my new servers?

ns1.example.com    1.2.3.4        ---------------> Master

> ns2.example.com     5.6.7.8    -------------->Slave
> mynewns1.example.com   20.20.20.20   ----------> Slave

> mynewns2.example.com   30.30.30.30  ------------>  Slave




On Fri, Mar 15, 2013 at 12:44 AM, Manish Rane <manishr78 at gmail.com> wrote:

hmm...you are talking about SOA TTL Value?



On Fri, Mar 15, 2013 at 12:40 AM, Andrew Latham <lathama at gmail.com> wrote:


Manish



That is a perfectly good plan.  One note is to study your TTL.  If

your ISP has set a longer TTL on your NS records then you would need

to first ask for a shorter TTL and wait until the time has passed.



Example: if TTL is set to one week, ask for change to shorter period

and then wait for 1.5(or more) times the old TTL to pass before you

begin your process.







On Thu, Mar 14, 2013 at 3:04 PM, Manish Rane <manishr78 at gmail.com> wrote:

> Hey Folks,

>

> I right now have NS server hosted with ISP and I am planning to set up my

> own BIND servers. Now I would like to understand that I need to ask my

> Registrar to populate the entry of my new NS server which would take 4-6

> hours to propagate over the internet.

>

> To reduce the downtime, can I not add those two new NS servers along with my

> old DNS server with exact zone? once all the NS entries populate over the

> internet I can have my ISP's DNS removed and have one of my DNS server as

> Master?

>

>

> Current Scenario

> ------------------------------------

>

> ns1.example.com    1.2.3.4

> ns2.example.com     5.6.7.8

>

>

> I am thnking of below scenario

>

> ns1.example.com    1.2.3.4

> ns2.example.com     5.6.7.8

> mynewns1.example.com   20.20.20.20

> mynewns2.example.com   30.30.30.30

>

> Then after few days

>

> mynewns1.example.com   20.20.20.20

> mynewns2.example.com   30.30.30.30

>

> Which eventually should have all the records.

>

> Please advise!!

>

>

>

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--

~ Andrew "lathama" Latham lathama at gmail.com http://lathama.net ~






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