Patent ID: 8868523
Filing Date: 2014-10-21
Classification: G06F,H04L

Abstract:
1. A system comprising: a file server managing a plurality of files, the file server including a CPU and a memory; a local storage device coupled to the file server, the local storage device storing at least some of the files; a first file storage system coupled to the file server, which including a first file server and a first storage device, the first file storage system being able to be accessed by only specified users; and a second file storage system coupled to the file server, which including a second file server and a second storage device, the second file storage system being able to be accessed by unspecified users, wherein the memory stores: wherein the credibility information of the first file storage system is higher than the credibility information of the second file storage system, wherein migration policy information associates one of the access control information with one of the credibility information, wherein the file server is configured to: