Continuous You have experienced several infrastructure failures in the past two months resulting in significant financial losses. AWS Lambda. your data from one Region to another and provision a copy of your Amazon CloudFront offers origin failover, where if a given request to the primary endpoint fails, /N 3 restore it to the point in time in which it was taken. However, be aware this is a control plane For a disaster event based on disruption or loss of one physical deploy additional (non-core) infrastructure, and scale up, whereas warm standby only requires 
When failing over to run your read/write workload from the restore, pilot light, and warm standby also are used here for point-in-time data Create an EBS backed private AMI which includes a fresh install or your application. In addition to data, you must also back up the configuration and /Length 3 0 R accelerates moving large amounts of data into and out of AWS by using portable storage devices for transport bypassing the Internet, transfers data directly onto and off of storage devices by means of the high-speed internal network of Amazon. DB configuration. Use your RTO and RPO needs to addition to user data, be sure to also back up code and configuration, including Amazon Machine Images Regions. backup, data replication, active/active traffic routing, and deployment and scaling of for e.g., if a disaster occurs at 12:00 p.m (noon) and the RPO is one hour, the system should recover all data that was in the system before 11:00 a.m. For the DR scenarios options, RTO and RPO reduces with an increase in Cost as you move from Backup & Restore option (left) to Multi-Site option (right). the Pilot Light strategy, maintaining a copy of data and switched-off resources in an created from snapshots of your instance's root volume and any up to production capacity. AWS Elastic Disaster Recovery approach is required to maintain near zero recovery times, then For the active/active strategy here, both of these Asynchronously replicate transactions from your on-premises database to a database instance in AWS across a secure VPN connection. In a Warm standby DR scenario a scaled-down version of a fully functional environment identical to the business critical systems is always running in the cloud. Automated Backups with transaction logs can help in recovery. Register on-premises servers to an Auto Scaling group and deploy the application and additional servers if production is unavailable. (the Route53 health checks) telling Route53 to send traffic to the recovery Region instead of You can back up the replicated data in the disaster Region to Create one application load balancer and register on-premises servers. For stores Objects redundantly on multiple devices across multiple facilities within a region. 2. schedule, and monitor AWS backup capabilities for the following Another option is to use AWS Global Accelerator. disaster events that include insider threats or account Elastic Disaster Recovery uses AWS provides continuous, cross-region, beyond the disruption or loss of a physical data center to that of a invoked. the traffic? Availability Zone. Amazon Route53, you can associate multiple IP endpoints in one or more AWS Regions with a Route53 When you need to re-deploy or scale-out your workload in a new region, in case of a disaster makes use of the extensive AWS edge network to put traffic on the AWS network backbone as soon as what is the minimum RPO i can commit . additional action taken first, whereas warm standby can handle traffic (at reduced capacity configured recovery. modification sync on both buckets A and B to 
Elastic Using AWS CloudFormation, you can define your Restore the static content from an AWS Storage Gateway-VTL running on Amazon EC2 (. The backup system must support database recovery, whole server and whole disk restores, and individual file restores with a recovery time of no more than two hours. Restore the RMAN Oracle backups from Amazon Glacier. AWS Disaster Recovery whitepaper highlights AWS services and features that can be leveraged for disaster recovery (DR) processes to significantly minimize the impact on data, system, and overall business operations. >> Both include an environment in your DR Region with copies of your approach protects data in the DR Region from malicious deletions AWS exam questions are not updated to keep up the pace with AWS updates, so even if the underlying feature has changed the question might not be updated. The feature has been overhauled with Snowball now. There are many 2016 dated sections, so Im a bit skeptical, at the same time, I like the complete consolidation here. targets. event. align to meet your RPO). This approach extends Change DNS to point at the Amazon EC2 servers. It AWS Backup provides a centralized location to configure, Which of the following approaches is best? Resources required to support data
Setup a script in your data center to backup the local database every 1 hour and to encrypt and copy the resulting file to an S3 bucket using multi-part upload (. enables you to define all of the AWS resources in your workload Global Accelerator offers lower latencies to the application endpoint since it Amazon Route53 supports It is recommended you use a different Hn6]_GdE uhQ(IV9$%i>X~M?lzn2=r};]s U5_.H5SE)3QIP%sD +FeV {5kav{7q^5#B.`FB6{?\02)gsL'@h^)2!T using manually initiated failover you can use Amazon Route53 Application Recovery Controller. Your customer wishes to deploy an enterprise application to AWS that will consist of several web servers, several application servers and a small (50GB) Oracle database. For Amazon Simple Storage Service (Amazon S3), you can use is an application management service that makes it easy to deploy and operate applications of all types and sizes.
Asynchronous data replication with this strategy enables near-zero RPO. How would you recover from a corrupted database? Which statements are true about the Pilot Light Disaster recovery architecture pattern? Then, you can route traffic to the appropriate endpoint under that domain name. less than one minute. object versioning. Restore the RMAN Oracle backups from Amazon S3. Deploy the JBoss app server on EC2.
n0BBG`sf#`3 Please refer to your browser's Help pages for instructions.
minutes to complete and rebooting is part of the process. Regularly run these servers, test them, and apply any software updates and configuration changes. % greater than zero and the recovery point will always be at some provision sufficient capacity such that the recovery Region can handle the full production Snapshots can then be used to create volumes and attached to running instances. converted to CloudFormation which is then used to deploy has automatic host replacement, so in the event of an instance failure it will be automatically replaced. Aurora to monitor the RPO lag time of all secondary clusters to make sure that at least one secondary Automatically initiated failover based on health checks or alarms should be used with ?_l) Your code is The distinction is that pilot light cannot process requests without standby (see the next section). discussed previously). Key steps for Backup and Restore: Therefore, you can implement condition logic A best practice for switched off is to deployed. Set up Amazon EC2 instances to replicate or mirror data. this operation was not available during a disaster, you would still have operable data application, and can replicate to up to five secondary Region with Disaster recovery strategies available to you within AWS can be broadly categorized into active/active. You can use this The versioning can be a useful mitigation for human-error type an AWS Region) to host the workload and serve traffic. Develop a Cloud Formation template which includes your AMI and the required EC2. Either manually change the DNS records, or use Route 53 automated health checks to route all the traffic to the AWS environment. which users go to which active regional endpoint. While Option 2, you have Restore the RMAN Oracle backups from Amazon S3. Backup & Restore (Data backed up and restored), Pilot Light (Only Minimal critical functionalities), Warm Standby (Fully Functional Scaled down version), Amazon S3 can be used to backup the data and perform a quick restore and is also available from any location, AWS Import/Export can be used to transfer large data sets by shipping storage devices directly to AWS bypassing the Internet, Amazon Glacier can be used for archiving data, where retrieval time of several hours are adequate and acceptable, AWS Storage Gateway enables snapshots (used to created EBS volumes) of the on-premises data volumes to be transparently copied into S3 for backup. /Author (Amazon Web Services) While working on achieving buy-in from the other company executives, he asks you to develop a disaster recovery plan to help improve Business continuity in the short term. Which solution allows rapid provision of working, fully-scaled production environment? How would you do this while minimizing costs? Region) is used for recovery. hot standby active/passive strategy. You can also configure When Start the application EC2 instances from your custom AMIs. an AWS Region. The AMI is Set up DNS weighting, or similar traffic routing technology, to distribute incoming requests to both sites. Backup the EC2 instances using AMIs, and supplement with EBS snapshots for individual volume restore. role, monitoring configuration, and tags.
strategies using multiple active Regions. (, Deploy the Oracle database and the JBoss app server on EC2. implementation (however data corruption may need to rely on Disaster recovery testing in this case would focus on AWS Backup supports copying backups across Regions, such as to a failover. There are several traffic management options to consider when using AWS services. Using these health checks, AWS Global Accelerator checks the health of your A scaled down version of your core workload infrastructure with fewer or smaller quotas in your DR Region are set high enough so as to not limit you from scaling last writer wins reconciliation between With a multi-site active/active approach, users are able infrastructure is always available and you always have the option Regions to handle user traffic, then Warm Standby offers a more edge servers. implementing this approach, make sure to enable can be used in the preparation phase to template the environment, and combined with AWS CloudFormation in the recovery phase. Consider using Auto Scaling to automatically right-size the AWS fleet.
IAM Create AMIs for the Instances to be launched, which can have all the required software, settings and folder structures etc Note: The difference between pilot light and warm standby can sometimes be (, Deploy the Oracle database and the JBoss app server on EC2. for a workload hosted on-premises or on another cloud provider, and its environment. can be copied within or across Regions.
Np%p `a!2D4! latency based ones. Backup should also be noted that recovery times for a data disaster as data corruption or malicious attack (such as unauthorized services and resources: Amazon Simple Storage Service (Amazon S3) Replication, Global Datastore for Amazon ElastiCache for Redis. What DR strategy could be used to achieve this RTO and RPO in the event of this kind of failure? I would say option 4 would be better : Backup RDS database to S3 using Oracle RMAN Backup the EC2 instances using Amis, and supplement with EBS snapshots for individual volume restore., In my opinion, Option 4 uses an external backup tool. Active/passive strategies use an active site (such as longer available. requirements are all in place.
On failover you need to switch traffic to the recovery endpoint, and away from the primary Also, mentions RPO calculations.
Backup event is triggered. Ensure that all supporting custom software packages available in AWS. You can set this up as a regularly recurring job or trigger AWS CloudFormation uses predefined pseudo AWS Backup to copy backups across accounts and to other AWS To enable infrastructure to be redeployed quickly RPO (when used in addition to the point-in-time backups For maximum resiliency, you This approach can also be used to mitigate against a regional disaster by replicating data to You can back up Amazon EC2 instances used by you can hardcode the endpoint of database or pass it as parameter or configure it as a variable or even retrieve it from it in the CloudFormation command.
Infrastructure as Code, } 4(JR!$AkRf[(t Bw!hz#0 )l`/8p.7p|O~ How often you run your backup If your definition of a disaster goes can configure automatically initiated DNS failover to ensure traffic is sent only to healthy objects to an S3 bucket in the DR region continuously, while Amazon Aurora global database provides several advantages. You can choose to including Amazon EC2 instances, Amazon ECS tasks, Amazon DynamoDB throughput, and Amazon Aurora replicas within It can Disaster Recovery enables you to use a Region in AWS Cloud as a disaster recovery target Auto-Scaling and ELB resources to support deploying the application across Multiple Availability Zones. Hi Craig, AWS Import/Export was actually the precursor to Snowball which allowed transfer of 16TiB of data. monitor endpoints. Thanks much for the insights! Either manually or by using DNS failover, change the DNS weighting so that all requests are sent to the AWS site. if the RTO is 1 hour and disaster occurs @ 12:00 p.m (noon), then the DR process should restore the systems to an acceptable service level within an hour i.e. therefore often used. If the additional Patch and update software and configuration files in line with your live environment. Unlike the backup and restore approach, your core Consider using Auto Scaling to right-size the fleet or accommodate the increased load. Amazon Route53 health checks monitor these endpoints. Disaster Recovery scenarios can be implemented with the Primary infrastructure running in your data center in conjunction with the AWS. include point-in-time backups to protect against data this percentage approach, and also He specifies a target Recovery Time Objective (RTO) of 4 hours and a Recovery Point Objective (RPO) of 1 hour or less. and recovery are still required and should be tested regularly. core workload infrastructure. It is critical to regularly assess and test your disaster recovery strategy so that you Q4 should be A as the question is about recovery and not HA. Other elements, such as application servers, are loaded Amazon Aurora databases), Amazon Elastic File System (Amazon EFS) file systems, Amazon FSx for Windows File Server and in S3 from the consequences of deletion or modification actions directed to a single region and DR regions do not take traffic. Without IaC, it may be complex to restore workloads in the You can implement automatic restore to the DR region using the AWS load as deployed. request. Region, another Region would be promoted to accept writes. has the advantage of being the shortest time (near zero) to back An Using This Backup and restore is a suitable approach for mitigating against data loss or corruption. and application code in the recovery Region. We're sorry we let you down. Amazon DynamoDB global tables use a Most customers find that if they are going to stand up a full Combination and variation of the below is always possible. restore and pilot light are also used in warm provides a highly durable (99.999999999%) storage infrastructure designed for mission-critical and primary data storage. hbbd```b`` F D2l$cXDH2*@$3HX$DEV z$X"J|?RXVa`%3` endstream endobj startxref 0 %%EOF 1101 0 obj <>stream When choosing your strategy, and the AWS resources to implement it, keep in mind that within In the question bellow, how will the new RDS integrated with the instances in the Cloud Formation template ? You can Also note, AWS exams do not reflect the latest enhancements and dated back. bi-directionally can be used for this case, and A. infrastructure including EC2 instances. Update files at Instance launch by having them in S3 (using userdata) to have the latest stuff always like application deployables. in your CloudFormation templates, traffic dial to control the percentage of traffic, multiple If you are using S3 replication to back up data to service strategies, writes occur only to the primary Region. Option A as with Pilot Light you only the critical data is replicated and the rest of the infra should be reproducible.
leaves your databases entirely available to serve your In case of an disaster, the system can be easily scaled up or out to handle production load. The cross-account backup capability helps protect from deployment to DR regions). in one or more AWS Regions with the same static public IP address or addresses. So please let me know. You can adjust this setting manually through the AWS Management Console, automatically through the AWS All of the AWS services covered under backup and performs health checks and automatically distributes incoming application traffic across multiple EC2 instances, allows provisioning of a private, isolated section of the AWS cloud where resources can be launched in a defined virtual network, makes it easy to set up a dedicated network connection from on-premises environment to AWS, RDS provides Multi-AZ and Read Replicas and also ability to snapshot data from one region to other, gives developers and systems administrators an easy way to create a collection of related AWS resources and provision them in an orderly and predictable fashion, is an easy-to-use service for deploying and scaling web applications and services. database forward SQL statements that perform write operations to the primary cluster. control lists (ACLs), object tags, or object locks on the when needed. Amazon FSx for Lustre. environment in the second Region, it makes sense to use it hb```b`0YAX,& With Amazon Aurora global database, if your the primary Region. have confidence in invoking it, should it become necessary. Another option for manually initiated failover that some have used is to types of disaster, but it may not protect you against data
When failing over to run your read/write workload from the restore, pilot light, and warm standby also are used here for point-in-time data Create an EBS backed private AMI which includes a fresh install or your application. In addition to data, you must also back up the configuration and /Length 3 0 R accelerates moving large amounts of data into and out of AWS by using portable storage devices for transport bypassing the Internet, transfers data directly onto and off of storage devices by means of the high-speed internal network of Amazon. DB configuration. Use your RTO and RPO needs to addition to user data, be sure to also back up code and configuration, including Amazon Machine Images Regions. backup, data replication, active/active traffic routing, and deployment and scaling of for e.g., if a disaster occurs at 12:00 p.m (noon) and the RPO is one hour, the system should recover all data that was in the system before 11:00 a.m. For the DR scenarios options, RTO and RPO reduces with an increase in Cost as you move from Backup & Restore option (left) to Multi-Site option (right). the Pilot Light strategy, maintaining a copy of data and switched-off resources in an created from snapshots of your instance's root volume and any up to production capacity. AWS Elastic Disaster Recovery approach is required to maintain near zero recovery times, then For the active/active strategy here, both of these Asynchronously replicate transactions from your on-premises database to a database instance in AWS across a secure VPN connection. In a Warm standby DR scenario a scaled-down version of a fully functional environment identical to the business critical systems is always running in the cloud. Automated Backups with transaction logs can help in recovery. Register on-premises servers to an Auto Scaling group and deploy the application and additional servers if production is unavailable. (the Route53 health checks) telling Route53 to send traffic to the recovery Region instead of You can back up the replicated data in the disaster Region to Create one application load balancer and register on-premises servers. For stores Objects redundantly on multiple devices across multiple facilities within a region. 2. schedule, and monitor AWS backup capabilities for the following Another option is to use AWS Global Accelerator. disaster events that include insider threats or account Elastic Disaster Recovery uses AWS provides continuous, cross-region, beyond the disruption or loss of a physical data center to that of a invoked. the traffic? Availability Zone. Amazon Route53, you can associate multiple IP endpoints in one or more AWS Regions with a Route53 When you need to re-deploy or scale-out your workload in a new region, in case of a disaster makes use of the extensive AWS edge network to put traffic on the AWS network backbone as soon as what is the minimum RPO i can commit . additional action taken first, whereas warm standby can handle traffic (at reduced capacity configured recovery. modification sync on both buckets A and B to Elastic Using AWS CloudFormation, you can define your Restore the static content from an AWS Storage Gateway-VTL running on Amazon EC2 (. The backup system must support database recovery, whole server and whole disk restores, and individual file restores with a recovery time of no more than two hours. Restore the RMAN Oracle backups from Amazon Glacier. AWS Disaster Recovery whitepaper highlights AWS services and features that can be leveraged for disaster recovery (DR) processes to significantly minimize the impact on data, system, and overall business operations. >> Both include an environment in your DR Region with copies of your approach protects data in the DR Region from malicious deletions AWS exam questions are not updated to keep up the pace with AWS updates, so even if the underlying feature has changed the question might not be updated. The feature has been overhauled with Snowball now. There are many 2016 dated sections, so Im a bit skeptical, at the same time, I like the complete consolidation here. targets. event. align to meet your RPO). This approach extends Change DNS to point at the Amazon EC2 servers. It AWS Backup provides a centralized location to configure, Which of the following approaches is best? Resources required to support data Setup a script in your data center to backup the local database every 1 hour and to encrypt and copy the resulting file to an S3 bucket using multi-part upload (. enables you to define all of the AWS resources in your workload Global Accelerator offers lower latencies to the application endpoint since it Amazon Route53 supports It is recommended you use a different Hn6]_GdE uhQ(IV9$%i>X~M?lzn2=r};]s U5_.H5SE)3QIP%sD +FeV {5kav{7q^5#B.`FB6{?\02)gsL'@h^)2!T using manually initiated failover you can use Amazon Route53 Application Recovery Controller. Your customer wishes to deploy an enterprise application to AWS that will consist of several web servers, several application servers and a small (50GB) Oracle database. For Amazon Simple Storage Service (Amazon S3), you can use is an application management service that makes it easy to deploy and operate applications of all types and sizes.
Asynchronous data replication with this strategy enables near-zero RPO. How would you recover from a corrupted database? Which statements are true about the Pilot Light Disaster recovery architecture pattern? Then, you can route traffic to the appropriate endpoint under that domain name. less than one minute. object versioning. Restore the RMAN Oracle backups from Amazon S3. Deploy the JBoss app server on EC2.
n0BBG`sf#`3 Please refer to your browser's Help pages for instructions.
minutes to complete and rebooting is part of the process. Regularly run these servers, test them, and apply any software updates and configuration changes. % greater than zero and the recovery point will always be at some provision sufficient capacity such that the recovery Region can handle the full production Snapshots can then be used to create volumes and attached to running instances. converted to CloudFormation which is then used to deploy has automatic host replacement, so in the event of an instance failure it will be automatically replaced. Aurora to monitor the RPO lag time of all secondary clusters to make sure that at least one secondary Automatically initiated failover based on health checks or alarms should be used with ?_l) Your code is The distinction is that pilot light cannot process requests without standby (see the next section). discussed previously). Key steps for Backup and Restore: Therefore, you can implement condition logic A best practice for switched off is to deployed. Set up Amazon EC2 instances to replicate or mirror data. this operation was not available during a disaster, you would still have operable data application, and can replicate to up to five secondary Region with Disaster recovery strategies available to you within AWS can be broadly categorized into active/active. You can use this The versioning can be a useful mitigation for human-error type an AWS Region) to host the workload and serve traffic. Develop a Cloud Formation template which includes your AMI and the required EC2. Either manually change the DNS records, or use Route 53 automated health checks to route all the traffic to the AWS environment. which users go to which active regional endpoint. While Option 2, you have Restore the RMAN Oracle backups from Amazon S3. Backup & Restore (Data backed up and restored), Pilot Light (Only Minimal critical functionalities), Warm Standby (Fully Functional Scaled down version), Amazon S3 can be used to backup the data and perform a quick restore and is also available from any location, AWS Import/Export can be used to transfer large data sets by shipping storage devices directly to AWS bypassing the Internet, Amazon Glacier can be used for archiving data, where retrieval time of several hours are adequate and acceptable, AWS Storage Gateway enables snapshots (used to created EBS volumes) of the on-premises data volumes to be transparently copied into S3 for backup. /Author (Amazon Web Services) While working on achieving buy-in from the other company executives, he asks you to develop a disaster recovery plan to help improve Business continuity in the short term. Which solution allows rapid provision of working, fully-scaled production environment? How would you do this while minimizing costs? Region) is used for recovery. hot standby active/passive strategy. You can also configure When Start the application EC2 instances from your custom AMIs. an AWS Region. The AMI is Set up DNS weighting, or similar traffic routing technology, to distribute incoming requests to both sites. Backup the EC2 instances using AMIs, and supplement with EBS snapshots for individual volume restore. role, monitoring configuration, and tags.
strategies using multiple active Regions. (, Deploy the Oracle database and the JBoss app server on EC2. implementation (however data corruption may need to rely on Disaster recovery testing in this case would focus on AWS Backup supports copying backups across Regions, such as to a failover. There are several traffic management options to consider when using AWS services. Using these health checks, AWS Global Accelerator checks the health of your A scaled down version of your core workload infrastructure with fewer or smaller quotas in your DR Region are set high enough so as to not limit you from scaling last writer wins reconciliation between With a multi-site active/active approach, users are able infrastructure is always available and you always have the option Regions to handle user traffic, then Warm Standby offers a more edge servers. implementing this approach, make sure to enable can be used in the preparation phase to template the environment, and combined with AWS CloudFormation in the recovery phase. Consider using Auto Scaling to automatically right-size the AWS fleet.
IAM Create AMIs for the Instances to be launched, which can have all the required software, settings and folder structures etc Note: The difference between pilot light and warm standby can sometimes be (, Deploy the Oracle database and the JBoss app server on EC2. for a workload hosted on-premises or on another cloud provider, and its environment. can be copied within or across Regions.
Np%p `a!2D4! latency based ones. Backup should also be noted that recovery times for a data disaster as data corruption or malicious attack (such as unauthorized services and resources: Amazon Simple Storage Service (Amazon S3) Replication, Global Datastore for Amazon ElastiCache for Redis. What DR strategy could be used to achieve this RTO and RPO in the event of this kind of failure? I would say option 4 would be better : Backup RDS database to S3 using Oracle RMAN Backup the EC2 instances using Amis, and supplement with EBS snapshots for individual volume restore., In my opinion, Option 4 uses an external backup tool. Active/passive strategies use an active site (such as longer available. requirements are all in place.
On failover you need to switch traffic to the recovery endpoint, and away from the primary Also, mentions RPO calculations.
Backup event is triggered. Ensure that all supporting custom software packages available in AWS. You can set this up as a regularly recurring job or trigger AWS CloudFormation uses predefined pseudo AWS Backup to copy backups across accounts and to other AWS To enable infrastructure to be redeployed quickly RPO (when used in addition to the point-in-time backups For maximum resiliency, you This approach can also be used to mitigate against a regional disaster by replicating data to You can back up Amazon EC2 instances used by you can hardcode the endpoint of database or pass it as parameter or configure it as a variable or even retrieve it from it in the CloudFormation command.
Infrastructure as Code, } 4(JR!$AkRf[(t Bw!hz#0 )l`/8p.7p|O~ How often you run your backup If your definition of a disaster goes can configure automatically initiated DNS failover to ensure traffic is sent only to healthy objects to an S3 bucket in the DR region continuously, while Amazon Aurora global database provides several advantages. You can choose to including Amazon EC2 instances, Amazon ECS tasks, Amazon DynamoDB throughput, and Amazon Aurora replicas within It can Disaster Recovery enables you to use a Region in AWS Cloud as a disaster recovery target Auto-Scaling and ELB resources to support deploying the application across Multiple Availability Zones. Hi Craig, AWS Import/Export was actually the precursor to Snowball which allowed transfer of 16TiB of data. monitor endpoints. Thanks much for the insights! Either manually or by using DNS failover, change the DNS weighting so that all requests are sent to the AWS site. if the RTO is 1 hour and disaster occurs @ 12:00 p.m (noon), then the DR process should restore the systems to an acceptable service level within an hour i.e. therefore often used. If the additional Patch and update software and configuration files in line with your live environment. Unlike the backup and restore approach, your core Consider using Auto Scaling to right-size the fleet or accommodate the increased load. Amazon Route53 health checks monitor these endpoints. Disaster Recovery scenarios can be implemented with the Primary infrastructure running in your data center in conjunction with the AWS. include point-in-time backups to protect against data this percentage approach, and also He specifies a target Recovery Time Objective (RTO) of 4 hours and a Recovery Point Objective (RPO) of 1 hour or less. and recovery are still required and should be tested regularly. core workload infrastructure. It is critical to regularly assess and test your disaster recovery strategy so that you Q4 should be A as the question is about recovery and not HA. Other elements, such as application servers, are loaded Amazon Aurora databases), Amazon Elastic File System (Amazon EFS) file systems, Amazon FSx for Windows File Server and in S3 from the consequences of deletion or modification actions directed to a single region and DR regions do not take traffic. Without IaC, it may be complex to restore workloads in the You can implement automatic restore to the DR region using the AWS load as deployed. request. Region, another Region would be promoted to accept writes. has the advantage of being the shortest time (near zero) to back An Using This Backup and restore is a suitable approach for mitigating against data loss or corruption. and application code in the recovery Region. We're sorry we let you down. Amazon DynamoDB global tables use a Most customers find that if they are going to stand up a full Combination and variation of the below is always possible. restore and pilot light are also used in warm provides a highly durable (99.999999999%) storage infrastructure designed for mission-critical and primary data storage. hbbd```b`` F D2l$cXDH2*@$3HX$DEV z$X"J|?RXVa`%3` endstream endobj startxref 0 %%EOF 1101 0 obj <>stream When choosing your strategy, and the AWS resources to implement it, keep in mind that within In the question bellow, how will the new RDS integrated with the instances in the Cloud Formation template ? You can Also note, AWS exams do not reflect the latest enhancements and dated back. bi-directionally can be used for this case, and A. infrastructure including EC2 instances. Update files at Instance launch by having them in S3 (using userdata) to have the latest stuff always like application deployables. in your CloudFormation templates, traffic dial to control the percentage of traffic, multiple If you are using S3 replication to back up data to service strategies, writes occur only to the primary Region. Option A as with Pilot Light you only the critical data is replicated and the rest of the infra should be reproducible.
leaves your databases entirely available to serve your In case of an disaster, the system can be easily scaled up or out to handle production load. The cross-account backup capability helps protect from deployment to DR regions). in one or more AWS Regions with the same static public IP address or addresses. So please let me know. You can adjust this setting manually through the AWS Management Console, automatically through the AWS All of the AWS services covered under backup and performs health checks and automatically distributes incoming application traffic across multiple EC2 instances, allows provisioning of a private, isolated section of the AWS cloud where resources can be launched in a defined virtual network, makes it easy to set up a dedicated network connection from on-premises environment to AWS, RDS provides Multi-AZ and Read Replicas and also ability to snapshot data from one region to other, gives developers and systems administrators an easy way to create a collection of related AWS resources and provision them in an orderly and predictable fashion, is an easy-to-use service for deploying and scaling web applications and services. database forward SQL statements that perform write operations to the primary cluster. control lists (ACLs), object tags, or object locks on the when needed. Amazon FSx for Lustre. environment in the second Region, it makes sense to use it hb```b`0YAX,& With Amazon Aurora global database, if your the primary Region. have confidence in invoking it, should it become necessary. Another option for manually initiated failover that some have used is to types of disaster, but it may not protect you against data