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Amazon EC2 and RDS in US-EAST zone down

status.aws.amazon.com

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Re: Amazon EC2 and RDS in US-EAST zone down

#31

Post by res0nat0r »

iharris wrote: post #23
nirvdrum wrote: post #11

Earlier quoted context omitted.

What zone? I really wish Amazon would provide that info, instead of saying that it only affects one zone.

I have instances in two different zones - both are down, although I don't know if AWS's randomization means that my 1a and 1d are actually located in the same logical zone.

The zones map differently per account, but if you've launched instances in different zones for your same account you are for sure in different AZ's.

Re: Amazon EC2 and RDS in US-EAST zone down

#33

Post by nirvdrum »

gabrtv wrote: post #14
nirvdrum wrote: post #11

Earlier quoted context omitted.

What zone? I really wish Amazon would provide that info, instead of saying that it only affects one zone.

AFAIK zones are randomized. 1a for me is 1d for you.

Ahh. Now that you mention it, I think I recall reading that before. It struck me as weird though because 1a was obviously the first one and 1e was recently added. So, would they rebalance my labels in that case?

Re: Amazon EC2 and RDS in US-EAST zone down

#34

Post by nirvdrum »

blantonl wrote: post #29
mattwdelong wrote: post #19

Earlier quoted context omitted.

Do you know why this is?

probably to prevent folks from all stacking up in a single AZ. Just think if someone posted a blog post saying "I've noticed that EBS performance is far better in 1d vs. 1a"

Well, they also return errors if a zone is out of capacity. That seems like it would guard against the issue a bit. But maybe they just don't want to have to field loads of questions about that.

Re: Amazon EC2 and RDS in US-EAST zone down

#35

Post by iharris »

blantonl wrote: post #29
mattwdelong wrote: post #19

Earlier quoted context omitted.

Do you know why this is?

probably to prevent folks from all stacking up in a single AZ. Just think if someone posted a blog post saying "I've noticed that EBS performance is far better in 1d vs. 1a"

Yeah, for me, 1d experiences the lowest load of all zones. According to the pricing history for spot instances, 1d experiences the fewest price spikes compared to 1a and 1b. I'd be interested to see if other users have noticed the same thing for their zones.

Re: Amazon EC2 and RDS in US-EAST zone down

#36

Post by gouranga »

mikebo wrote: post #26

Worst part of this outage: paying for a multi-az RDS instance and having failover totally, completely, fail.

That sucks badly.

Similar thing happened to me a while ago with a vendor. When your management team summons you to ask why the hell their site is down, you can't point fingers at the vendor if their marketing literature says it doesn't go down.

Sticky situation.

Re: Amazon EC2 and RDS in US-EAST zone down

#37

Post by RegEx »

NathanKP wrote: post #22
bad_user wrote: post #9

I got notified by Pingdom that my domain was down before AWS had any info on that status page of theirs. IMHO, they should improve on the latency of their alerts.

Same here. In fact, the AWS dashboard was still showing 2/2 checks passed for some 20 minutes after Pingdom told me my site was down. Then the AWS dashboard finally updated and told me that 3 minutes ago my instances became unreachable. That is pretty poor. AWS should be able to know right away and email me themselves.

I've learned to ignore the checks passed for quite a while, especially for servers on load balance.

Re: Amazon EC2 and RDS in US-EAST zone down

#39

Post by KenCochrane »

9:32 AM PDT Connectivity has been restored to the affected subset of EC2 instances and EBS volumes in the single Availability Zone in the US-EAST-1 region. New instance launches are completing normally. Some of the affected EBS volumes are still re-mirroring causing increased IO latency for those volumes.
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