Double disk failure is improbable but not impossible.
The most impressive thing is that there seems to be no dataloss, almost whatsoever. Whatever the backup system is, it seems rock solid.
Good news for people who were banned, or for posts that didn't get enough momentum :)
edit: Was restored from backup.. so def. dataloss
If the server went down at XX:XX, and the backup they restored from is also from XX:XX, there isn't dataloss. If the server was down for 8 hours, the last data being 8 hours old isn't dataloss, it's correct.