Intermediate LevelCloud Computing (AWS/GCP/Azure)
What is AWS Storage Gateway and how does it bridge on-premises data centers to S3 storage?
❓ Interview Prompt: Explain AWS Storage Gateway hybrid storage types: S3 File Gateway (NFS/SMB), Volume Gateway (iSCSI), and Tape Gateway.
AWS Storage Gateway is a hybrid cloud storage service that gives on-premises applications seamless, low-latency access to virtually unlimited AWS cloud storage (S3).
Three Gateway Types:
1
S3 File Gateway: Maps S3 objects to industry-standard NFS and SMB file shares. Local applications read/write files as standard network shares, with local caching for low latency.
2
Volume Gateway: Provides block storage volumes via iSCSI backed by S3, supporting local cached or stored volume modes.
3
Tape Gateway: Replaces physical tape backup infrastructure with virtual tapes archived in S3 Glacier.
Code Implementation Example
typescript
// Hybrid Cloud Storage Architecture
const StorageGatewayTopology = {
onPremise: 'Local VMware ESXi VM running Storage Gateway Appliance',
protocol: 'NFS / SMB Network Share (Local SSD Read Cache)',
cloudTarget: 'Amazon S3 Bucket (s3://company-hybrid-storage)',
benefit: 'Unlimited cloud backup storage accessible via standard local file shares'
};💡AWS Storage Gateway hybrid cloud file share architecture.
🎯 Interview Key Takeaway
AWS Storage Gateway presents S3 cloud storage to on-premise applications via standard NFS, SMB, and iSCSI interfaces.
#Storage Gateway#Hybrid Cloud#NFS#S3#Intermediate
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