As far as I'm aware, there's currently only LHS_Slackbot on one server. To maintain consistency, slackbot should ideally have a backup on another server which is aware of when LHS_Slackbot goes down and can take over, then if/when lhs_slackbot comes back, either it maintains control and lhs_slackbot takes over when the opposite happens or relinquishes control.
As far as I'm aware, there's currently only LHS_Slackbot on one server. To maintain consistency, slackbot should ideally have a backup on another server which is aware of when LHS_Slackbot goes down and can take over, then if/when lhs_slackbot comes back, either it maintains control and lhs_slackbot takes over when the opposite happens or relinquishes control.