[RESOLVED 8:35 AM PDT, 4 September 2013] Today’s rolling restarts have been completed.
[UPDATED 5:55 am PDT, 4 September 2013] Rolling restarts for the main Second Life server channel are now in progress.
[POSTED 11:55 pm PDT, 3 September 2013] We will be performing rolling restarts for regions on the main Second Life server channel on Wednesday, September 4, 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