On 20/10/14 20:06, Andy Mabbett wrote:
On the announce, list, on 20 October 2014 18:38, Harry Wood
<m...@harrywood.co.uk> wrote:
Thank you, in advance, for your patience and understanding during the
maintenance window.
Thank you and the team for keeping things running.
I in no way mean this as a criticism, but am asking out of interest:
What would it take to make our system so robust that such outages were
not required? Is it a case of more money, or more developers, or both?
Or is it entirely infeasible?
In theory we can do the master/slave swap without any downtime, and I
try and do it that way, but to be absolutely safe I will probably do it
with the site in offline mode for a few minutes. That way I can also
take the opportunity to reboot the servers to update the kernels.
The announced window is really an "at risk" and I don't expect any
outage to be more than a few minutes if all goes to plan.
GPX trace uploads may be down for a bit longer, as something else has
come up today which means they need to be taken offline while a
filesystem is resized and I may try and do that in the same window.
Tom
--
Tom Hughes (t...@compton.nu)
http://compton.nu/
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