On 2012-07-05 between 22:00pm and 23:00pm CEST we will change the power connection of one of our switches. This will cause a short interruption of network connectivity for some VMs. We expect the interruption to take less than 5 minutes.
This change is necessary to modernize the power distribution system within our racks. We try to perform this using redundant power connections without interruption of service as far as possible. During the next weeks we will also update our second rack which will require another short switch interruption. We will announce the required maintenance window separately.