Questions tagged with Availability
Availability (also known as service availability) is both a commonly used metric to quantitatively measure resiliency, as well as a target resiliency objective.
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We are experiencing ongoing issues with CloudFormation and EC2 control plane operations in me-south-1 (Bahrain) since mid-March 2026.
CloudFormation issues:
Multiple stacks failing or stuck:
2 stack...
2
answers
0
votes
76
views
asked 3 months ago
Hi,
I have an EC2 instance that has been stuck in stopped state due to an ongoing hardware issue in availability zone mec1-az3 in the me-central-1 (UAE) region. I received an email from AWS acknowled...
3
answers
1
votes
545
views
asked 3 months ago
I have two EC2 instance each with its own EBS volume, my first EC2 instance is my primary and my secondary/standby EC2 instance is my second one, I would like to failover to my secondary/standby EC2 i...
4
answers
1
votes
162
views
asked 5 months ago
Hello,
I’m running an ECS service using the AWS Fargate (on-demand) launch type.
Recently, I encountered this event message when trying to launch a task: "was unable to place a task. Reason: Capacit...
1
answers
0
votes
186
views
asked 8 months ago
After creating a new AWS account, I tried accessing Cloud Shell but received the error: Unable to start the environment. You must verify your account before accessing Cloud Shell. I successfully compl...
1
answers
0
votes
221
views
asked 9 months ago
We are running a Docker-based Java and .NET application on both Linux and Windows containers within an Amazon ECS cluster in the us-east-1 region.
We need to design a cross-region disaster recovery (...
2
answers
1
votes
236
views
asked 9 months ago
We have a containerized and distributed tomcat webapp workload that serves up to about 3,000-12,000 simultaneous users on a typical day, which suddenly froze last week. The primary database that seize...
1
answers
0
votes
368
views
asked 10 months ago
Hello All,
We are currently running a Java-based microservice application with a single Angular frontend. The system uses MySQL as the primary database and also integrates with technologies like Elas...
2
answers
0
votes
216
views
asked a year ago
Hi
I am trying to test the behavior of an AZ level failure in my MSK. I have configured MSK with 3 AZ as 1 broker in each region. Then I will add a deny to the MSK subnet in a single region. When I d...
2
answers
0
votes
307
views
asked a year ago
I have two r5d.2xlarge EC2 instances running SQL servers configured with Windows-Server-Failover-clustering and High Availability.
I need to downsize them to a r5d.large for a few months. I can plan t...
1
answers
0
votes
219
views
asked a year ago
I have now experienced this for two regions, `us-east-1` and `us-west-2`.
I have cycled through the AZ values the error message suggests. No change.
The describe-instance-type-offerings suggests these...
4
answers
0
votes
386
views
asked a year ago
Folks, It's been long time since Amazon Q Business Pro service not available in au southeast 2 region and request your thought on any approximate timeline for it's availability. The requirement here ...
1
answers
0
votes
575
views
asked a year ago