[RESOLVED 9:15 AM PDT, 22 October 2013] Today’s rolling restarts are now complete.
[UPDATE 6:54 AM PDT, 22 October 2013] Rolling restarts for the main Second Life server channel are now in progress.
[Posted 11:36 PM PDT, 21 October 2013] We will be performing rolling restarts for regions on the main Second Life server channel on Tuesday, October 22, 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