Guidelines on migration to the new North America Infrastructure

Last updated: October 1st 2021

Introduction

We have taken great care in designing our migration process to our new North America infrastructure so that you, as an existing customer placed in Dallas Texas, will be impacted as little as possible. Ideally you will not even notice the migration having taken place and all you will need to do is update any DNS records that point to your old IP addresses within a 15 day grace period.

Overview

The migration roughly consists of 3 phases

  1. We migrate your server, Thursday September 16th, to the new infrastructure and tunnel all traffic from your old IP addresses to the new server - you now have 15 days to update your DNS records
  2. 15 days later your old IP addresses stop working, and the migration is effectively complete

1. The Migration

Option 1 - Do-It-Yourself: Some downtime involved

You can quite easily migrate your server to the new infrastructure already today, and don't have to wait for your turn in the migration process. In order to move your server, simply:

  1. Suspend your server
    - This allows you to keep all settings and data in Webdock as-is (with the exception of monitoring which you may need to re-enable)
     
  2. Please make sure all the suspension operation steps have completed 100%, after which Provision a new server from the suspended snapshot on our new North America infrastructure
     
  3. Update your DNS records

     
  4. If you have set up ImprovMX or Postmark, repeat the setup procedure. Just go through the initial setup steps and wait for the verification email to arrive.  You should only need to update the Postmark DKIM DNS record.  If you get a message that the domain already exist, contact Webdock support and we will sort you out.

You will never pay "too much"  doing this - as soon as you suspend your original server you will be refunded in full for any server time you have already paid for - and when you create the new server a new billing period starting the following day begins

Option 2 - The default: Keep your data in synch - Some downtime involved

Your second option is that we do the migration for you and keep your data in synch. What we mean by this is that we will stop your server on the old infrastructure, move it to the new, point your old IP addresses to the new infrastructure and then spin up your server.

This ensures absolute data integrity as traffic to your site has been halted in the interim. Users will see your website / app as being down during the migration window. Downtime will typically be as long as we can compress and then stream your server via. a 10Gbps connection, decompress it and spin it back up - meaning that if your server image is e.g. 5GB this would mean about at most 1-2 minutes of downtime.

This is the best option for most users and is the one which will be performed on Thursday unless you say otherwise. 

Option 3 - Two copies of your site will be running for a short period of time: No downtime whatsoever

This option is for "normal" static websites which do not collect any mission-critical data and where it is OK that the server effectively runs in two seperate places for a short period of time.

The process here is that we take a snapshot of your running server and then stream it over and spin it up on the new infrastructure - once it has spun up we tunnel the traffic from your old IP to the new one and then stop the server on the old infrastructure.

This means that any logs on the new server will show a "gap" corresponding to the time taken to stream your server to the new infrastructure. This gap will typically be as long as we can compress and then stream your server via. a 10Gbps connection, decompress it and spin it back up - meaning that if your server image is e.g. 5GB this would mean about 1-2 minutes.

If you prefer this option, please write Webdock support and let us know which servers should not see any downtime during the migration.

3. Update your DNS records

Once migrated your old IP addresses will now work for 15 days. You can always get a reminder of the deadline by looking at your main server info screen in Webdock where there will be a link to this information.

You can find some general guidelines on how to update your DNS records here.

If you are unsure what to do or need help with updating DNS records, our support staff is willing and ready to help you any way we can. We will even do the updates for you if you give us access to your DNS control panel. So don't sweat it - you have at least two weeks to update your DNS (which is a deadline we can extend if you ask us to) and we will help you through this process painlessly :)

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