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Comment by coolbeans01 | Hacker News Reader

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coolbeans01·

Could you please confirm or provide evidence for such speculation?

I don't see anything about this on google.

I heard it is because they are having power issues within their datacenter.

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May be this: http://xenbits.xen.org/xsa/

XSA-108 2014-10-01 12:00 (Prereleased, but embargoed)

Cool speculation!

Anyone with anything concrete?

I still heard it is power issues.

Not sure how power issues would affect every single region. Logic dictates it's likely a security issue.

I'd just like to point out that you asked for concrete, then speculated based on something you heard.

Aren't you speculating as well?

Restarting an instance (not stop-start) doesn't change the hardware you're on, so I don't think this has a physical explanation.

all of our instances scheduled for maint. are indeed system-reboot event types; it is indeed a stop/start situation.

stop/start can possibly put you on another physical - but it all depends on how aws has setup the hypervisors and their instance schedulers.

this, the maint from aws, appears to be security related - but that doesn't mean that aws is not getting folks off of old hardware if they have that desire.

I think it's more complicated than that. Because Amazon is claiming that if you let them handle it, you keep your instance data. That's not a stop-start (at least what we ordinary users can do).

It's more like a system restart with a little downtime managed by them.

You can try a stop-start yourself, but it's not guaranteed to help. And a restart yourself doesn't do anything.

within their datacenter? Wtf? Do you have any idea how big AWS is?

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