Whether or not you work in the IT department, you have likely experienced the pain of migrating from one system to another. When you buy a new laptop, or a new phone, you’re faced with having to backup and replicate your old data to your new system, or start from scratch with none of the files you might need on your new device.
Imagine this problem at enterprise scale. Moving terabytes of data is a daunting task that also requires planning and downtime when IT has to add a new storage system, upgrade or replacement. Just like with our smartphones, the old system likely still has some value, but since data can’t move easily from one system to the other, the equipment we’re leaving behind often remains as a backup to the backup copy.