Transferring Data from an On-Premises Storage Array - AWS DataSync

Transferring Data from an On-Premises Storage Array

You might want to transfer data from an on-premises enterprise storage array to Amazon EFS. In this case, files in the source file system might be modified by another application while the files are being transferred from Network File System (NFS) or Server Message Block (SMB) file share to Amazon EFS.

To ensure that DataSync successfully performs a transfer with full consistency verification, we recommend that the source location point to a read-only snapshot. This setup ensures that files at the source location can't be modified while the files are being transferred, and makes sure that verification works.

For information about how to take a snapshot in an enterprise storage array, see one of the following: