[Resolved 12:16 PM PST, 04 March 2014] The rolling restarts for the main Second Life server channel are now complete.
[Updated 6:53 AM PST, 04 March 2014] The rolling restarts for the main Second Life server channel are now in progress.
[Posted 3:32 PM PST, 03 March 2014] We will be performing rolling restarts for regions on the main Second Life server channel on Tuesday, March 4th, beginning at approximately 3:00 AM PST. Please refrain from rezzing no copy objects, making inworld L$ transactions and remember to save all builds.
Source: http://status.secondlifegrid.net