[Completed 11:57am PST, 18 December 2012] Today’s rolling restarts have been completed
[Updated 6:46AM PST, 18 December 2012] We are currently undergoing rolling restarts for regions on the main Second Life server channel. Please refrain from rezzing no copy objects, making inworld L$ transactions and remember to save all builds.
[Posted 5:26PM PST, 17 December 2012] We will be performing rolling restarts for regions on the main Second Life server channel tomorrow, Tuesday, December 18, beginning at approximately 5:00AM PST. Please refrain from rezzing no copy objects, making inworld L$ transactions and remember to save all builds.
Source: http://status.secondlifegrid.net