You can run the query from the Atlassian Database Schema page to see if the data is still there:
select * from customfieldvalue where customfield=(select ID from customfield where cfname='YourFieldName');
From my testing, if I delete a value the data is immediately gone from the database so if you do find it there the first step is going to be to perform a full re-index so you'll need to schedule a maintenance period.
If you do not find the values in the database you'll need to restore from the last backup. I would also recommend opening a support ticket so the Support team can take a look at the logs and help identify what may have happened to cause this behavior and how to prevent it again in the future.
Over the next several weeks we'll be sharing some of our Getting Started guides here in the community. Throughout this series of posts, we'd love to hear from customers and non-customers ab...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs