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posted by martyb on Friday September 29 2017, @04:12AM   Printer-friendly
from the moving-right-along dept.

As part of Linode's migration of servers to a new Data Center in Dallas, two of our servers were scheduled for migration at 10pm EDT on September 29, 2017. NCommander happened to be around when I sent out a reminder I'd received from Linode, so he 'hit the button' at 9:30pm tonight (Sept. 28) and did a manual migration ahead of time.

Unless you were on our IRC server (Internet Relay Chat) at the time, you probably didn't even notice... and even then, it was unavailable for only about 15-20 minutes. Redundancy for the win!

That leaves us with a single server, sodium, to migrate. It is currently scheduled for migration on Tuesday, October 3, 2017 at 10:00pm EDT. Since sodium is one of two front-end proxies for us (the other is magnesium which has already been migrated), I expect we'll be able to perform that migration without any site interruption.

Separately, and in parallel, we are slowly moving our servers from Ubuntu 14.04 LTS to Gentoo.

To the community, thank you for your patience as we work our way through this process. And, for those of you who may have been with us from the outset, and when up-time was measured in hours, please join me in congratulating the team for their dedication and hard work which has facilitated such an uneventful migration!


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  • (Score: 2) by richtopia on Friday September 29 2017, @02:31PM (1 child)

    by richtopia (3160) on Friday September 29 2017, @02:31PM (#574806) Homepage Journal

    For an IT team perhaps this is commonplace, but in my experience even in industry migrations are painful, as many of the servers I depend on are covered by "Scott, that guy who knows computers".

    I was actually trying to do a failover solution based on Raspberry Pis the other day, as they provide an excellent cheap demo for redundancy. While well within grasp of someone with some time and understanding of networking, it definitely is not turnkey and there are plenty of opportunities for things to go amiss.

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  • (Score: 2) by ledow on Friday September 29 2017, @03:09PM

    by ledow (5567) on Friday September 29 2017, @03:09PM (#574823) Homepage

    My life is usually a one- or two-man IT team. It's been more, but rarely do you need that many, precisely because you have the tools nowadays to make it that simple.

    Snapshot is right-click snapshot.
    Move is right-click move.
    Turning off the network interface is Properties... Network interface... set to None.

    Admittedly that's Windows HyperV, but VMWare has the same and I can't imagine it's more than a few commands on any CLI hypervisor (in fact, it's probably a lot worse trying to do that through the Windows Server Core CLI than if you have to write a script to do so on Xen or similar!).

    This is commodity technology nowadays, and I'd hope someone, somewhere running a website like Soylent with multiple database servers and proxy balancers, etc. actually knew this stuff was possible.