[AusNOG] ATS vs STS & recommendations?

[Matt Walker]

This happened to HP/HPE/DXC/Whatever-they’re-called a year or 2 ago at EBDC (TallyHo)

We have deployed both the APC and recently the ION ATS’s. Both seem fine to me, we’ve did some pretty solid testing on them when they were installed and setup - only downside to the ION ones is the web management module feels like it’s quite ancient - that being said, I can still get a SNMP trap from them if a transfer occurs which is what I mainly care about on top of the fact that they work

On 9 Nov 2017, at 1:08 am, Damien Luke <damien.luke at gmail.com<mailto:damien.luke at gmail.com>> wrote:

We've also had this happen at Global Switch and Metronode over the years, not that unusual but as always it's up to the customer to plan for losing a single feed and cater for single feed devices.

I've seen work occur on power circuits at DCs where the operator didn't isolate the feed (aka hot).  As much as you plan and ensure your customers are aware of the hazard, all it takes is a sparky to accidentally clip the wrong cable and things go sideways very quickly.  The large bang, smoke drifting around the DC and the (junior) sparky falling off of a ladder is a good indicator that hot work is high risk, dangerous and should be avoided as much as possible.

I know it sucks that you've got some single in feed gear but gosh I'd rather someone make it home.

Damien

On Wed, Nov 8, 2017 at 10:49 PM, Patrick Cole <z at amused.net<mailto:z at amused.net>> wrote:
James,

We had this sort of maintenance performed in Equinix SY1 once in the last 10-20 years.

You must just be lucky.

Regards,

Patrick

Wed, Nov 08, 2017 at 09:21:39PM +1000, James Cunningham wrote:


>    I'm assuming this is a result of NextDC announcing maintenance at S1 where
>    they are turning off one of the power feeds to your racks? We got one of
>    these as well.Â
>
>    Is it just me, or am I the only one concerned that NextDC have to turn off
>    power to one of our power feeds in our racks? We have been in Equinix and
>    Global Switch data centres for about 15 years, and never had them power
>    off our feeds to our racks before during their maintenance processes.
>
>    What gives?
>
>    J.
>
>    -----------------------------------------------------------------------------------------------------------
>
>    Hi All,
>
>    Â
>
>    One of our DC providers is removing some power from a single feed in some
>    of our racks soon, and a couple of our customers have some single fed
>    units that are connected to the â**wrongâ** rail.
>
>    Â
>
>    We are looking to help them out with ATS or STSs. I remember some
>    discussion some time ago about whether one is better than the other, and
>    some quite technical arguments why you would prefer one or the other.
>
>    Â
>
>    For a standard 10A outlet and a 500-1kw load what do people recommend
>    these days?
>
>    Â
>
>    Thanks,
>
>    Andrew
>
>    Â
>
>    Get Outlook for iOS

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--
Patrick Cole <z at wwwires.com<mailto:z at wwwires.com>>
Senior Network Specialist
World Without Wires
PO Box 869. Palm Beach, QLD, 4221
Ph:  0410 626 630<tel:0410%20626%20630>
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