Question

Difficulty: EasyDesigning Migration Plans and Data Transfer Strategies

An enterprise needs to perform an offline bulk migration of 200 TB of archive data from an on-premises data center to Google Cloud Storage using a Transfer Appliance. In what chronological sequence should the cloud architect perform the key steps of this transfer strategy?

  1. 1Order the Transfer Appliance using the Google Cloud Console and receive the device at the on-premises location.
  2. 2Connect the appliance to the local network and copy the encrypted source data onto the device.
  3. 3Ship the appliance back to Google for data ingestion into the target Cloud Storage bucket.
  4. 4Verify data completeness and checksum integrity in Cloud Storage prior to decommissioning on-premises storage.

Answer

The correct sequence starts with requesting and receiving the Transfer Appliance, followed by connecting and copying encrypted data locally, shipping the device back to Google for ingestion, and concluding with checksum integrity verification in Cloud Storage.
The correct workflow for offline migration using Transfer Appliance requires procuring the physical hardware first, copying and encrypting data locally, shipping the appliance to Google for data ingestion, and validating object integrity in Cloud Storage once upload completes.

Step-by-Step Solution

1
Device Procurement
The physical Transfer Appliance is delivered to the on-premises data center.
Hardware must be on site before local staging can start.
2
Local Data Ingestion
The 200 TB of archive data is written to and encrypted on the appliance.
Data must be loaded onto the device locally using high-speed network interfaces.
3
Return Shipment & Cloud Ingestion
Google receives the device and uploads the data into the designated Cloud Storage bucket.
Physical transportation to Google avoids consuming external network bandwidth.
4
Post-Transfer Validation
Objects in Cloud Storage are confirmed accurate and ready for operational use.
Final validation ensures no corruption occurred during transport and ingestion.

Key Concept

Offline Data Transfer Lifecycle using Transfer Appliance
Estimated Time:1m 0s
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