Method, electronic device, and computer program product for migrating data

A device, comprising:

• a processing unit;
• and
• a memory coupled to the processing unit and storing instructions, wherein the instructions, when executed by the processing unit, perform the following actions:
• determining, in response to determining that a source storage system satisfies a migration condition and based on used space of folders in a source file system on the source storage system, respective migration scores for the folders;
• determining, from the folders, one or more folders to be migrated by sorting the migration scores, resulting in sorted migration scores;
• selecting a target storage system from a set of target storage systems;
• migrating the one or more folders to be migrated to a target file system in the target storage system;
• and
• redirecting, to the target file system, one or more links for the one or more folders to be migrated.

A computer program product that is stored on a non-transitory computer-readable medium and comprises machine-executable instructions, wherein the machine-executable instructions, when executed, cause a machine to perform operations, comprising:

• determining, in response to determining that a source storage system satisfies a migration condition and based on a set of used space of a group of folders in a source file system on the source storage system, a group of migration scores for the group of folders;
• determining, from the group of folders, one or more folders to be migrated by sorting the group of migration scores;
• selecting a target storage system from a set of target storage systems;
• migrating the one or more folders to be migrated to a target file system in the target storage system;
• and
• redirecting one or more links for the one or more folders to be migrated to the target file system.