The Walnut cluster was first available for use approximately five years ago, in May 2013. This means that there is only about one year left in its planned six-year lifetime. We plan to decommission the Walnut cluster on May 31, 2019.
Please start thinking about migrating your work and your data to other systems. If you would like advice and/or help with this, please contact us at email@example.com. We will be sending further announcements out to all users as we get closer to the end date.