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* Re: [gentoo-dev] overlays.gentoo.org restoration & post-mortem
  @ 2014-01-18  7:49 99%       ` Alec Warner
  0 siblings, 0 replies; 1+ results
From: Alec Warner @ 2014-01-18  7:49 UTC (permalink / raw
  To: Gentoo Dev

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On Fri, Jan 17, 2014 at 11:10 PM, Alan McKinnon <alan.mckinnon@gmail.com>wrote:

> On 18/01/2014 09:04, Patrick Lauer wrote:
> >> which could link to the
> >> > infra page would be good here perhaps, so when an outage occurred ( at
> >> > least on the web side ) appropriate links to infra could be given.
> > The more sane fix would be low DNS TTL and rotating DNS to a different
> > IP if things are down.
> >
> >
>
>
> That is already in place:
>
>  $ dig overlays.gentoo.org
>
> ; <<>> DiG 9.9.4 <<>> overlays.gentoo.org
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49989
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
>
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 4000
> ;; QUESTION SECTION:
> ;overlays.gentoo.org.           IN      A
>
> ;; ANSWER SECTION:
> overlays.gentoo.org.    600     IN      CNAME   spoonbill.gentoo.org.
> spoonbill.gentoo.org.   604800  IN      A       81.93.255.5
>
>
>
> 5 minutes downtime max if a switch needs to be done.
> 5 minutes is perfectly acceptable IMHO
>

infra TTL standards are 60 minutes for service CNAMEs and 30 minutes for HA
CNAMES. The TTL is 600 here (which is 10 minutes, not 5) because I lowered
it on 1/14 in anticipation of a machine failover, it was previously 2 hours.

-A


>
>
> --
> Alan McKinnon
> alan.mckinnon@gmail.com
>
>
>

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-- pct% links below jump to the message on this page, permalinks otherwise --
2014-01-18  5:02     [gentoo-dev] overlays.gentoo.org restoration & post-mortem Robin H. Johnson
2014-01-18  5:23     ` Kent Fredric
2014-01-18  7:04       ` Patrick Lauer
2014-01-18  7:10         ` Alan McKinnon
2014-01-18  7:49 99%       ` Alec Warner

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