[OTDev] AA moves to dedicated server
Andreas Maunz andreas at maunz.deWed Feb 16 15:03:33 CET 2011
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Vedrin Jeliazkov wrote on 02/16/2011 02:48 PM: > Hi Andreas, > > Great news! > > In case that you have full control of your master DNS zone files and > you would like to speed-up the DNS synchronisation, you could consider > temporarily lowering the Refresh time setting in your SOA record from > the RFC-recommended value (~ 86400 -- 24h) to something more > aggressive like 3600 (1 hour) on Thursday (Feb 24) at the latest (the > refresh setting will also need time to propagate, which in the worst > case would be as long as its current refresh value, so if it is > anything higher than 86400, you should implement the change even > earlier). Also, don't forget to change the zone serial number and to > restore the old refresh value once the hang-over is completed and > changes are propagated (e.g. on Sunday, 27 Feb). This should help > reducing the number of inadvertently lost policies, by reducing the > window of opportunity to 1 hour in the worst case. @Christoph: is it possible to configure such timings while we are moving? Andreas
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