2ms corosync latency requirement


Active Member
Jun 5, 2012
I'm considering building out a cluster of promox machines between several datacenters. I read that latency is key for corosync.

I ran a little test and I got these results from machines that would be in approximately in the same locations as the cluster members.

Host is up (0.0039s latency).
Host is up (0.012s latency).
Host is up (0.0017s latency).
Host is up (0.0021s latency).
Host is up (0.0026s latency).

I'll probably add GRE over IPSEC for the networking.

I guess proxmox won't work for me?


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