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Questions tagged [multi-az]

11 questions
8
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3 answers

Difference between "Multi-AZ Deployment" and "Read Replica Verison Multi-AZ Deployment"

Summary Amazon RDS has two main different types of replicas, Multi-AZ Replica and Read Replica, and it's easily to find their difference. However, Read Replica had supported Multi-AZ deployment at JAN, 2018. What is the main difference between…
Chumicat
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7
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3 answers

How to create EFS in Multi-AZ with Terraform

I have launched two EC2 instances in two availability zones and I need to mount the EFS in both the instances using Terraform. resource "aws_efs_file_system" "magento-efs" { creation_token = "efs-demo" performance_mode = "generalPurpose" …
Muneesh DuRaipandi
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2
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0 answers

how to set deployment_mode when provisioning aws_mq_broker through terraform?

I am trying to provision Amazon MQ broker through terraform. I have written code for multi AZ deployment with deployment type is ACTIVE_STANDBY_MULTI_AZ. Now I want to provision the MQ broker in Test environment with SINGLE_INSTANCE deployment type.…
umesh sadambar
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A question on AWS RDS Multi-AZ downtime when changing the Instance type

I have an RDS Database serving a production application. The RDS DB is a db.m3.large and is Multi-AZ Instance Deployment. (Role is "Instance" in the console). I've been informed by AWS that I have to migrate my Database from an M3 instance to one of…
GreenGodot
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2 answers

Auto-scaling Instances in multi-AZ environment

I am planning to build an auto-scaling group (ASG) in a multi-AZ (AZ = availability zone) network. Let's say that we ran some diagnostics and discovered that we need at least 8 instances for normal load, and 24 instances during peak times. Here's a…
awsuser2021
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How to handle read-replica connection pool during Multi-AZ fail-over in AWS RDS?

As I understand it, I can use a Multi-AZ RDS deployment for HA and add Read Replicas to improve my read capacity and performance. In able to leverage Read Replicas I will need to maintain a separate connection pool with-in my Application strictly…
stowns
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Do I need to create read-replica as disaster recovery for Multi-AZ RDS deployment

I have an AWS RDS instance deployed with Multi-AZ set as true. As a disaster-management strategy in case the DB fails, is creating a read-replica in another AZ redundant? If I create the read replica in another region (Outside the VPC), would that…
somya
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Can we convert exisiting aws single AZ Fsx to multi-az fsx

I have a single AZ aws windows Fsx created with 3 months of data. it was created using terraform. Can I convert the existing single-az to multi-az without any downtime ? Any risk involved or DNS changes of Fsx endpoints? Any important points to…
CharlesDeeZee
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Is clustering amazon RDS multi-az replicas to reduce costs possible?

We are considering moving our databases from heroku to Amazon RDS. Main reasons are costs and downtime. Heroku requires separate instance for every db and downtime is huge (60 mins a month for Standard 0). We have few small RoR apps that are not db…
kuba
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AWS: Can I disable/enable RDS multi-AZ daily?

I have a mysql RDS instance that is used only from 9am to 9pm. To avoid too much charges, I would like to stop it during the night, but I cannot do this because I have Multi-AZ active (I need it during server use). Does it make sense to schedule…
Cris
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Converting Replica to Multi AZ in AWS required downtime?

I have a master - slave set up in amazon AWS. DB Engine - MySQL. My master is in Multi AZ but not the read replica. I want to convert my read replica to multi AZ, does it need any downtime of master or read replica ? Thanks
Aman Aggarwal
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