[RESOLVED 9:17am PDT, 29 May 2013] Today’s rolling restarts have been completed.
[UPDATED 6:41am PDT, 28 May 2013] We are currently undergoing the rolling restarts for the main Second Life server channel.
[Posted 07:29 pm PDT, 28 May 2013] We will be performing rolling restarts for regions on the main Second Life server channel on Wednesday, May 29, beginning at approximately 5:00AM PDT. Please refrain from rezzing no copy objects, making inworld L$ transactions and remember to save all builds.
Source: http://status.secondlifegrid.net