Partial migration of an object to another storage location in a computer system
First Claim
1. A method for migrating a portion of a stream of data having associated file system metadata via a file system from a first storage location to a second storage location in a computer system, comprising:
- identifying at least one portion of the stream of data for migration to the second storage location;
migrating said at least one portion to said second storage location, wherein said migrating comprises;
(A) relocating said at least one portion from the first storage location to the second location and(B) generating additional file system metadata relating to said stream of data, wherein said identifying of said at least one portion for migration includes identifying said at least one portion according to pre-set criteria and includes specifying a memory allocation limit for the stream of data applicable to said first storage location and said relocating of said at least one portion is performed without exceeding said memory allocation limit.
1 Assignment
0 Petitions
Accused Products
Abstract
A technique is provided whereby a stream of data located in a first storage location is registered for migration administration and according to preset criteria, portion(s) of the stream of data that are suited to another storage location are migrated to maximize system storage efficiencies. The file system may have use of facilities that enable the monitoring of files/streams that have been registered for migration administration or files/streams may be polled according to preset criteria. If the stream of data has portions to migrate to another storage location, the hierarchical storage management (HSM) system migrates the data to the other storage location, such as to long term or off-line storage, and preserves the data relationships of the stream via metadata. The technique allows for multiple volumes to be spanned by the migration target location, and multiple file systems may service the source and target.
-
Citations
17 Claims
-
1. A method for migrating a portion of a stream of data having associated file system metadata via a file system from a first storage location to a second storage location in a computer system, comprising:
-
identifying at least one portion of the stream of data for migration to the second storage location; migrating said at least one portion to said second storage location, wherein said migrating comprises; (A) relocating said at least one portion from the first storage location to the second location and (B) generating additional file system metadata relating to said stream of data, wherein said identifying of said at least one portion for migration includes identifying said at least one portion according to pre-set criteria and includes specifying a memory allocation limit for the stream of data applicable to said first storage location and said relocating of said at least one portion is performed without exceeding said memory allocation limit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
Specification