Sorry to be a complainer - I'm getting lag and de-syncing (where the blocks come back after they're broken). Have been since about 4:30pm MDT (Alberta time). Lenny had the same problem at the same time... Is/was your network under heavy use?
At about that time, the overviewer stuff is running. every two hours, on the evens. that could be related to it. network should be fine, unless shaw is messing up.
I may move the server up to digitalocean after all. I was hoping my lan would be good enough...