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migration server administration

How to migrate your domain with zero down time and data loss

I have come across several domain migration issues in Web hosting industry. The common issues are the high down time of around 12 – 48 hours experienced while domain transfer and also the data lost during the migration process. In this article I am focusing on how to achieve domain migration with zero down time and also to avoid the data loss. The article is valid for domains hosted under cPanel Linux servers.

Server migration with ZERO downtime

This is an article that helps you to perform a server migration with zero downtime for the sites. This is applicable for cPanel linux servers. Important things that should be checked before doing a server migration are:

Panel less migrations

As we all know, server migration is the process of moving websites hosted on legacy systems to more robust and feature-rich systems. In most cases both the source and destination servers are installed with some control panels and many of these control panels provide tools in order to do this migration automatically. But there are times when we come across situations where both the source and destination servers are not installed with any control panels. Hmm, getting worried? No fear. I’ll guide you through this process and it will be as easy as breeze (well, literally!). (more…)

My experience with SmarterMail

Last week, I had the privilege of migrating accounts and emails from Smartermail5.x off a Windows 2005 server to Smartermail7.x in a Windows 2008 server. I had very little experience with Smartermail and felt challenged, when I was assigned the task. Started the migration, and it seemed effortless and fairly simple. It was just a matter of copying files and folders from one server to the other. Much of the task was simplified, since I referred to a well written How To here

Even though the migration went on fine, I did face one major issue. None of the SMTP, POP or IMAP ports were accepting any connections and the result was ‘no service at all’. At first, I thought it was a firewall issue. I configured rules to allow all the needed ports in the server firewall, but the issue stayed. Finally, I could see that the service was still binding to the old servers’ IP address. This has to be manually edited in the mailconfig.xml file and once the change was made, a restart of the smartermail service did the trick.