SoftLayer Upgrades Core Network and Adds Second Dallas Datacenter with Space for 10,000 Additional Servers
March 10, 2008, Dallas, TX – SoftLayer announces the immediate availability of a second datacenter facility in Dallas as well…
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In computing, failover is automatic switching to a redundant or standby computer server, system, hardware component or network upon the failure or abnormal termination of the previously active application, server, system, hardware component, or network. Failover and switchover are essentially the same operation, except that failover is automatic and usually operates without warning, while switchover requires human intervention.
Systems designers usually provide failover capability in servers, systems or networks requiring continuous availability and a high degree of reliability.
At server level, failover automation usually uses a “heartbeat” cable that connects two servers. As long as a regular “pulse” or “heartbeat” continues between the main server and the second server, the second server will not initiate its systems. There may also be a third “spare parts” server that has running spare components for “hot” switching to prevent downtime. The second server takes over the work of the…
March 10, 2008, Dallas, TX – SoftLayer announces the immediate availability of a second datacenter facility in Dallas as well…