[RESOLVED 8:35 AM PDT, 19 November 2013] Rolling restarts for the main Second Life server channel have been completed.
[UPDATED 6:58 AM PDT, 19 November 2013] Rolling restarts for the main Second Life server channel are now in progress.
[Posted 8:06 PM PST, 18 November 2013] We will be performing rolling restarts for regions on the main Second Life server channel on Tuesday, November 19th, 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