Feldon 
The Permafrost server is next up to migrate from Oracle to EnterpriseDB. From the EQ2 Forums:
The Permafrost server will be brought offline on Tuesday, April 14, 2015 at 3:30AM Pacific* for server migration and maintenance. This server is estimated to be unavailable until approximately 2PM Pacific.
Keep an eye on the EverQuest II forums and social media for status updates and for news if additional downtime is needed.