Does server power-on order matter after a data center outage?

Yes. The correct order is: storage first (FC switches, storage arrays), then network devices (core switches, firewalls), then database servers, and finally application servers. This prevents applications from starting without storage and databases from losing network paths, reducing the risk of data corruption. ZhongLianDa prepares a standardized power-outage restart SOP document for customers - free for contracted customers.