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AWS Cloud Services
Disaster Recovery
AWS offers a variety of storage services, data transmission methods, and network options including backup and restoration, data access, and disaster recovery. These varied and stable products and services mean customers can enjoy comprehensive deployment plans.
Introduction
Cloud Backup & Disaster Recovery
According to research by International Data Corporation (IDC), global data volume will reach 163ZB (about 179 trillion GB) by 2025. As the volume of data increases, the risks of data breach or losses become even more unacceptable. As such, backup or recovery of cloud data becomes extremely important.
Unlike the traditional approach, where organizations buy more hardware for data backups, AWS offers multiple backup and disaster recovery solutions that are cloud-based, cost-effective, and resilient.
AWS Features
Diverse Storage Services
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S3
S3 is an object storage service. Data is divided into six storage classes based on the degree of data access: S3 Standard, S3 Intelligent-Tiering, S3 Standard-Infrequent Access – One Zone, S3 Glacier Instant/Flexible Retrieval, and S3 Glacier Deep Archive.
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EBS
EBS is Amazon’s EC2 block storage service; once a connection to an EC2 instance is established, it’s possible to run databases and file systems on the disk. EBS offers snapshot services of disks at a single time, storing the snapshot data to S3; you can also perform EBS snapshots across disks and copy them for transfer to disaster recovery and data centers.
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EFS
A cloud storage service that is scalable, flexible, and allows EC2 Instances to access data in parallel for large volumes. If you hope to restore documents and files lost to accidental deletion, the EFS-to-EFS backup solution automatically replicates data from EFS to another EFS.
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Storage Gateway
Hybrid storage services can connect on-premise data with the AWS cloud platform and provide on-premise applications with low latency access to network file systems (NFS) and object files in all tiers of S3.
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FSx for Lustre
FSx for Lustre is a high-performance Lustre file system with complete custodian services that is commonly applied to HPC or EDA workload scenarios, which require high-speed computing and achieve sub-millisecond latencies, hundreds of GB per second, and millions of IOPS.
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AWS Backup
Centralized backup services allow you to configure uniform backup rules and monitor backup activities. These include EFS, EBS Snapshot, DynamoDB, RDS Snapshot, and Storage Gateway Snapshot.
Advantages of using AWS services
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High Durability
S3 object storage offers 99.999999999% data durability, meaning there are no worries that objects stored in S3 will be lost.
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High Availability
Single data is stored in 3 AWS regions. Users can further activate Cross Region Replica functionality to store data close to the user’s geographic location and offer the feature of high availability.
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High Scalability
AWS can automatically scale or decrease storage space based on your requirements when the data volume increases or decreases. This feature allows organizations to utilize IT resources with increased agility to help achieve flexible enterprise operations.
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Regularly perform disaster recovery to eliminate accidental disasters
The consequences and damages caused by a loss of enterprise data are incalculable. Therefore, regular disaster recovery of data is strongly recommended as it allows enterprises to reduce downtime and prevent data loss.
In the past, enterprises were required to purchase a secondary location in another data center for backup. However, with Elastic Disaster Recovery (AWS DRS) provided by AWS, the disaster recovery tool allows enterprises to utilize storage methods with the best price-performance to compute data and provide disaster recovery for applications and databases
AWS Elastic Disaster Recovery operates by copying data from the selected AWS region into the AWS account’s staging regional subnet. The staging subnet is designed to offer affordable storage by utilizing minimum computing resources to copy data and achieve cost optimization. Additionally, enterprises can perform non-disruptive testing and failover cut-ins while monitoring the progress of data replication to maintain data integrity.