Patent ID: 9710195
Date: 2017-07-18
CPC Classifications: G06F,Y10S

Claim:
1. A storage system, comprising: a computer; a plurality of vdisks in communication with the computer, each vdisk containing a plurality of persistent storage segments, each segment providing a specific class of service (CoS) for storage different from the CoS for storage of the other segments; each vdisk storing one or more files with data and meta data distributed among its storage segments, a vdisk to hold a newly created file or directory is chosen from the plurality of vdisks based on a predetermined mapping into the plurality of vdisks; and a policy module for vdisk and segment choice in communication with the computer, a first portion of a file's data is stored in a first segment, and a second portion of the file's data is stored in either the first segment or a second segment, the predetermined mapping is a round robin assignment algorithm.