I need to deploy an FTP server in a high-availability configuration.

So far I've used Windows Failover clustering (using Win 2k8 Enterprise) and DRBD in Linux. Both do enable me to develop a failover cluster for the FTP service. But when a failure occurs all client connections that are using the server are lost. Clients have to reconnect and restart/resume their upload/downloads.

Is there a technology that can be used to provide failover support while maintaining client connections?

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75% accept rate
Two words I never thought I'd hear together. High-availability and FTP. – Tom O'Connor Jan 4 at 17:11
Also, if you expect anyone to answer this, you ought to work on your 0% accept rate. – Tom O'Connor Jan 4 at 17:12
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