How to minimize the downtime in my case

Manish Rane manishr78 at gmail.com
Fri Mar 15 05:29:35 UTC 2013


So the TTL value we are discussing here are individual NS TTL Value? Or the
SOA Default TTL Value.
When I viewed my ISP record I found that the SOA Default TTL Value is 12
days and NS RR TTL Value is 3600 secs



On Fri, Mar 15, 2013 at 4:47 AM, Shawn Bakhtiar <shashaness at hotmail.com>wrote:

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