The phrase "are being migrated" is correct and usable in written English.
It is typically used in contexts where something is in the process of being moved or transferred from one place to another, often in technical or IT-related discussions.
Example: "The user accounts are being migrated to the new server to improve performance and security."
Alternatives: "are being transferred" or "are in the process of migrating".
Approximately 1.8 million people are being migrated from incapacity benefit onto employment and support allowance (ESA) or job seekers allowance; and the transition to universal credit during 2013 – 2017 will affect a reported 12 million people.
Hotmail users are being migrated to the new service and the company has taken to the offensive, directly attacking Google and its service in video ads – presumably with no mention of their latest snafu.
Ministers say transitional arrangements will be put in place to make sure no-one is worse off while they are being migrated to the new system - which will cost £2.1bn up-front to introduce.
But due to its declining popularity and the retirement of experienced COBOL programmers, programs are being migrated to new platforms, rewritten in modern languages or replaced with software packages.
We've known this was happening for a while now (MySpace even tells users who visit imeem.com that their playlists are being migrated), but it now looks like the site is taking a more proactive approach to keeping its users informed.
Moreover, the entire next generation telecommunication networking infrastructure is being migrated to IP network.
Iub CS is usually implemented through legacy ATM Constant Bit Rate Virtual Circuits while Iub PS is being migrated from ATM Variable Bit Rate VCs to IP.
Although this was considered a pilot project, the intent from the beginning and throughout the work effort was to deploy a production-ready application at the end of the pilot phase and deactivate the corresponding mainframe software that was being migrated.
An efficient solution consists in: (i) executing the bulk storage data transfer before launching the actual VM live migration, (ii) recording all write operations happening during the transfer, and (iii) applying the changes at the destination when the VM is being migrated [23,24].
During the following period, the vast majority of 10 billion cortical neurons are being formed, migrate to their final position, and start to grow their axonal and dendritic projections from which they connect to other neurons, with a steady, but relative slow growth of synaptic connections (Lagercrantz 1998; Innocenti and Price 2005; Stiles and Jernigan 2010; Kostovic et al. 2014).
