Scheduled Maintenance - Critical Power Infrastructure Refresh22 January 2026To replace aging, end-of-life APC Power Distribution Units (PDU) and APC Automatic Transfer Switches (ATS) units within our data centre, we will be performing critical power migrations over the coming days. This hardware is vital to our rack stability, and proactive replacement is required to avoid unplanned outages. Maintenance Window Details: Dates: 26th of January through 28th of February 2026 Daily Time Window: 05:00 AM – 08:00 AM GMT Expected Impact: ~5 minutes of power loss per rack. What to Expect: Dual-corded servers: We will migrate power paths one at a time; no downtime is expected for these units. Single-corded equipment: These devices will lose power for approximately 5 minutes as we swap the hardware. To ensure data integrity, all single-corded servers will undergo a graceful shutdown prior to the maintenance and will be restarted immediately once the new hardware is in place. This controlled procedure is being implemented to safeguard against data loss and file system corruption during the power transition.
Why is this happening?
Our current data centre APC Power Distribution Units (PDUs) and Automatic Transfer Switches (ATS) have reached their manufacturer's recommended service lifecycle. As critical infrastructure ages, the risk of "silent failure" increases significantly. Specifically, this refresh is required to address:
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