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Sarah UKFast | Account Manager

What is a Metro Storage Cluster?

30 January 2018 by Al McCloud

Metro clustering, also known as stretched or distributed clustering, is a high-availability storage configuration that allows one solution to be stretched across two physically separate sites or data centres.

On our cloud environment you can extend your local storage and networking across two UKFast data centres in different locations to decrease the risk of a disaster situation and effectively eliminate the possibility of downtime.  

Are you looking to deploy a Metro Storage Cluster across two sites?

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Who is it for?

Metro Storage Cluster

Metro Storage Cluster diagram

The saying goes that ‘you shouldn’t put all of your eggs in one basket’. In the same vein, your business shouldn’t hinge on a single point of failure. Metro or stretched clustering is the perfect solution for any business where downtime can’t be tolerated. 

In the event that a disaster situation occurs, clustering allows you to achieve near-zero Recovery Time Objective (RTO) and Recovery Point Objective (RPO). So, even in the most unimaginable scenarios – like a tornado deciding to steal one of our DC buildings – your solution is unaffected. 

You can also avoid maintenance downtime with live migration. Maintenance is bad for user experience and bad for business. With stretched clustering, you can take a virtual machine offline and work on your maintenance and upgrades whilst your users continue unaffected. 

How does it work?

It’s a bit like splitting your cash when you’re on holiday. You tuck stashes of cash in a back pocket, or down your sock, so that you’ll have some when you need it, even if you’re pickpocketed or lose your bag. 

Metro storage clustering is exactly the same approach – we split up the physical location of your data so you’re better protected in case of disaster. We use VMWare’s vSphere technology, and present one common infrastructure over two separate UKFast data centres. 

But clustering is about more than just practicality. Metro storage clustering also allows you to balance your workloads across two of UKFast’s enterprise-grade, UK data centres, and to achieve similar benefits to those of a local high-availability configuration whilst still spanning two DCs.

However, it’s not a one-size-fits-all solution. There are various possible vMSC configurations available for your business. Talk to our eCloud experts to understand which one is right for you.

Metro Storage Cluster is the perfect solution when disaster and downtime avoidance is a key requirement.

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