{"id":10129,"date":"2025-04-11T13:07:38","date_gmt":"2025-04-11T13:07:38","guid":{"rendered":"http:\/\/usn.nl\/?p=10129"},"modified":"2025-06-17T11:44:17","modified_gmt":"2025-06-17T11:44:17","slug":"data-migration","status":"publish","type":"post","link":"https:\/\/usn.nl\/en\/data-migratie\/","title":{"rendered":"Data migration"},"content":{"rendered":"

From museum piece to VM<\/strong>: a migration story<\/b><\/h4>\n

Recently, a client approached us with a classic case \u201cIt's been like this for years and nobody dares to touch it\u201d<\/i>. An old application was running that hadn't been updated for quite some time and was therefore several major releases behind.<\/p>\n

After some research, we quickly saw: this is fixable. Time to roll up our digital sleeves. We started with an action plan.<\/p>\n

The first step: virtualising <\/b><\/h4>\n

The app was running on a piece of dated hardware. Fortunately, the client had recently implemented a virtualisation platform (good move), so we advised running the application in a fresh VM.<\/p>\n

Getting ready for migration<\/b><\/h4>\n

We installed the latest version of the application on the new VM and set up the environment to facilitate a smooth transition.<\/p>\n

Then the real work began: figuring out how we could neatly migrate the old data to the new version.<\/p>\n

We delved into the supplier's documentation \u2013 a comprehensive manual which quickly made it clear that the database structure had changed significantly over the years. A direct migration without preparation would pose a considerable risk of data corruption and a failed transition. Naturally, we wanted to prevent that.<\/p>\n

Ansible to the rescue<\/b><\/h4>\n

We put together a few clever Ansible playbooks to transfer the data to the new database in a controlled manner. And sure enough, the application started up perfectly in its new location, complete with all customer data. Just a bit of fine-tuning settings to go.\u00a0 <\/span>\u2013 and done.<\/p>\n

Evening migration without downtime<\/b><\/h4>\n

At the customer's request, we carried out the entire operation during the evening hours. Result: nil downtime<\/b>, no more sleepless end-users and an application that can last for years to come.<\/p>\n

Do you also have outdated applications that need a good clean-up? USN is happy to help. Feel free to contact us<\/a> to explore your situation together.<\/p>","protected":false},"excerpt":{"rendered":"

From museum piece to VM: a migration story\nRecently, a client came to us with a classic case of \u201cthis has been running for yeeears and nobody dares touch it\u201d. An old application was running that hadn't been updated for quite some time and was therefore a number of major releases behind. After some research, we already saw...<\/p>","protected":false},"author":5,"featured_media":10130,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[25],"tags":[],"class_list":["post-10129","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"\nData migratie plan van aanpak | USN<\/title>\n<meta name=\"description\" content=\"Een klant zat vast met een oude app vol achterstallige updates. Wij zagen: dit is te fixen. 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