Is it necessary to migrate data when migrating away from Sagemaker classic?

Question

https://docs.aws.amazon.com/sagemaker/latest/dg/studio-updated-jl-migration.html has a overview explanation of the process needed to migrate data away from Sagemaker classic to the new Sagemaker w/ EBS. However, https://docs.aws.amazon.com/sagemaker/latest/dg/studio-updated-spaces.html says that the new Sagemaker can have studio with EFS. In that case why would I need to migrate data?

Accepted Answer

Hi,

As [Amazon SageMaker Studio spaces](https://docs.aws.amazon.com/sagemaker/latest/dg/studio-updated-spaces.html) states, the new Amazon SageMaker Studio uses an EBS volume by default, which ensures a private space between user/profiles across domain.

As you said, there is still possible to get a shared space creating a SageMaker Studio Classic which uses EFS, but this creates a new Studio Classic space with a new EFS attached (is not possible to migrate an existing attached EFS between spaces), thus data migration is still recommended to keep data after migrating to the new SageMaker domain.

Said that, if you're planning to use SageMaker Studio Classic I'd recommend the steps in the [Backup and recovery](https://docs.aws.amazon.com/whitepapers/latest/sagemaker-studio-admin-best-practices/appendix.html#studio-domain-backup-and-recovery) section here.

If there's only a small amount of profiles/files, you can use S3 as intermediate storage.

Is it necessary to migrate data when migrating away from Sagemaker classic?

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