[AusNOG] NextDC Melbourne - Scheduled Power Maintenance -, 15th August

[Chad Kelly]

Yeah bit of a dammed if you do, dammed if you don't type situation.



On 8/10/2017 4:11 PM, Peter Tiggerdine wrote:
> 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 <chad at cpkws.com.au> 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:ausnog-bounces at lists.ausnog.net] On Behalf Of Chad
>>> Kelly
>>> Sent: Thursday, August 10, 2017 2:54 PM
>>> To: ausnog at lists.ausnog.net; ausnog-request at lists.ausnog.net
>>> Subject: Re: [AusNOG] NextDC Melbourne - Scheduled Power Maintenance -,
>>> 15th August
>>>
>>>
>>>
>>> On 8/10/2017 10:13 AM, ausnog-request at lists.ausnog.net 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
>>> AusNOG at lists.ausnog.net
>>> 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
>> AusNOG at lists.ausnog.net
>> http://lists.ausnog.net/mailman/listinfo/ausnog

-- 
Chad Kelly
Manager
CPK Web Services
Phone 03 5273 0246
Web www.cpkws.com.au