| 主权项 |
1. A method of managing information, comprising:
using a data manager to migrate content associated with a backup-related file system object from a data source device to a remote storage device such that after the migration: (1) the content associated with the backup-related file system object is stored on the remote storage device and not on the data source device and (2) metadata associated with the backup-related file system object is stored at least by the data manager on the data source device and not by a file system below the data manager on the data source device, wherein the metadata stored by the data manager includes a backup identifier; receiving, from an application running on the data source device, an instruction that requires access to at least one of the metadata and the content associated with the backup-related file system object in order to be satisfied; determining, at the data manager, that the metadata associated with the backup-related file system object is located in the data manager; determining, at the data manager, that the instruction is a metadata-only type of instruction that requires access to only the metadata associated with the backup-related file system object in order to be satisfied; and performing the instruction, including by accessing, in the data manager, the backup identifier associated with the backup-related file system object, wherein: (1) the instruction is satisfied without requiring services of the file system below the data manager and (2) the instruction is satisfied without requiring services of the remote storage device. |
