Patent ID: 9104560
Filing Date: 2015-08-11
Classification: G06F,H04L

Abstract:
1. A method of reading a digital object from a fixed-content storage cluster, said method comprising: receiving from a software application a unique identifier at a first computer node within a storage cluster having a plurality of computer nodes, said storage cluster including stored digital objects in persistent storage, each of said digital objects being identified by a unique identifier and each of said unique identifiers only identifying a single digital object in said fixed-content storage cluster; identifying a first portion of said unique identifier, said first portion having a value within a range of all possible values; accessing a table using said value indicated by said first portion of said unique identifier to identify a second computer node, said table mapping each of said all possible values to one of said computer nodes; accessing an index on said second computer node using at least a second portion of said unique identifier to identify a third computer node, said index mapping each of said unique identifiers that include said value to at least one of said computer nodes; and reading said digital object identified by said unique identifier from persistent storage on said third computer node and returning said digital object to said software application located external to said storage cluster.