Re-partitioning directories

Details Re-partitioning directories Re-partitioning directories

2002-06-28

2011-10-11

Follansbee, John (Department: 2451)

Electrical computers and digital processing systems: multicomput

Computer network managing

Network resource allocating

C709S229000

Reexamination Certificate

active

08037181

ABSTRACT:
A new method and framework for re-partitioning directory servers supporting user services in a site that receives access requests from users. According to the present invention, a management server transfers groups of directory objects from original directory servers to newly added directory servers without service interruption to users of the site. The directory objects are stored in categorical groups such that the directory objects in each group share an attribute. According to the present invention, certain groups in the original directory servers are identified for migration to the newly added servers based on a load-balancing scheme. In one embodiment, the identified groups are marked for migration to limit access to the directory objects therein. After successfully being migration, the groups are unmarked and access is resumed. In another embodiment, the management server includes a table storing location information that is updated to indicate successful transfer of the identified group of directory objects from the original server to the newly added server.

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