There was no down time. Can you elabore what kind of down time you are talking about?
When frontend down for maintenance, my miners disconnect from quark and connect to not profitable x11 which first in pool list on multi-algo port.
We did stratum restart too this time, which caused all miners to be disconnected.
As always, we are improving the service, constantly putting in small adjustments and fixes to offer the best mining experience to all customers.