disagree. Outside of business hours costs more with limited staff around to assist. They're doing you a favour by doing this because if your PSU fails on server, you'll have time raise tickets with vendor and get same day resolution.
Regards, Peter Tiggerdine GPG Fingerprint: 2A3F EA19 F6C2 93C1 411D 5AB2 D5A8 E8A8 0E74 6127 On Thu, Aug 10, 2017 at 3:14 PM, Chad Kelly <[email protected]> wrote: > > Hmm yes actually deciding to do this during business hours does appear to be > an odd choice, even with two PSU in the server, they would be better off > doing this out of business hours I would of thought. > Regards Chad. > > > On 8/10/2017 2:56 PM, Nathan Brookfield wrote: >> >> Chad, >> >> That's all well and good but when you're paying a premium price for >> services of this fashion you expect a certain level of service. There is a >> risk no matter what when switching from power supplies taking extra load >> they would not usually take as well as swing load issues with PDU's. >> >> I completely agree with your sentiment but the risk is not to be ignored >> especially during those times. >> >> Kindest Regards, >> Nathan Brookfield (VK2NAB) >> >> -----Original Message----- >> From: AusNOG [mailto:[email protected]] On Behalf Of Chad >> Kelly >> Sent: Thursday, August 10, 2017 2:54 PM >> To: [email protected]; [email protected] >> Subject: Re: [AusNOG] NextDC Melbourne - Scheduled Power Maintenance -, >> 15th August >> >> >> >> On 8/10/2017 10:13 AM, [email protected] wrote: >>> >>> From the latest update today, It appears that most of the works are >>> being postponed for the time being >>> >>> Not all devices within racks support 2 feeds and planning is involved >>> with these devices, which is why it is crucial to receive accurate >>> information about any pending outages or upgrades to the NextDC DataCentres >>> which affect services. >> >> If these services are mission critical then you really should have duel >> PSU units, so that when one feed gets taken offline the equipment >> automatically switches to the other feed. They won't just disconnect both >> feeds at once because that would be stupid and if the entire DC was offline >> for too much time then that would put the owners in a rather awkward >> situation legally, as after say 8 or 10 hours of downtime it wouldn't be >> good for the owners lets put it that way. >> If the single PSU units are a part of a customers co-located equipment >> then really your terms of service agreement should exclude liability under >> your maintenance clauses. >> I don't understand why anyone would be using single PSU equipment in a DC >> environment now a days when you can buy refurbished servers that come with >> two PSU as standard even when you buy them without raid. >> Also for anything that is really really mission critical you should have >> it hosted in multiple datacentres anyway so if something stupid does happen >> that you can't control you at least still have services online as the load >> balanced services would just switch. >> Regards Chad. >> >> -- >> Chad Kelly >> Manager >> CPK Web Services >> Phone 03 5273 0246 >> Web www.cpkws.com.au >> >> _______________________________________________ >> AusNOG mailing list >> [email protected] >> http://lists.ausnog.net/mailman/listinfo/ausnog > > > -- > Chad Kelly > Manager > CPK Web Services > Phone 03 5273 0246 > Web www.cpkws.com.au > > _______________________________________________ > AusNOG mailing list > [email protected] > http://lists.ausnog.net/mailman/listinfo/ausnog _______________________________________________ AusNOG mailing list [email protected] http://lists.ausnog.net/mailman/listinfo/ausnog
