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Alex · August 14th, 2017, 10:29 AM

NP! Can't take much credit myself, though I'm happy to try. :-) This was a planned upgrade by the ISP, where they rotate out their older hardware with new stuff every few years on a rolling cycle. Many years ago this was much more of a complicated undertaking, with a need for careful backups, and complexities in rebuilding a site or application on new infrastructure.

But with virtual machines (VMs), all of this becomes much easier. All the admin has to do is stop the VM, and there are tools to automatically migrate the VM over to the new hardware (or anywhere else), get it restarted, and everything is exactly as it was before. The only reason there was any real downtime at all this time, is that the networking hardware itself (that the VMs would be running on) changed significantly from the old setup, so he had to get into the individual VMs themselves and reconfigure some interfaces.

August 14th, 2017, 10:29 AM	#3
Alex ninjette.org dude Name: 1 guess :-) Location: SF Bay Area Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much. Blog Entries: 7	NP! Can't take much credit myself, though I'm happy to try. :-) This was a planned upgrade by the ISP, where they rotate out their older hardware with new stuff every few years on a rolling cycle. Many years ago this was much more of a complicated undertaking, with a need for careful backups, and complexities in rebuilding a site or application on new infrastructure. But with virtual machines (VMs), all of this becomes much easier. All the admin has to do is stop the VM, and there are tools to automatically migrate the VM over to the new hardware (or anywhere else), get it restarted, and everything is exactly as it was before. The only reason there was any real downtime at all this time, is that the networking hardware itself (that the VMs would be running on) changed significantly from the old setup, so he had to get into the individual VMs themselves and reconfigure some interfaces. __________________________________________________ Montgomery Street Motorcycle Club / cal24.com / crf250l.org / ninjette.org ninjette.org Terms of Service Shopping for motorcycle parts or equipment? Come here first. The friendliest Ninja 250R/300/400 forum on the internet! (especially Unregistered)