A doubly mapped redundant array of independent nodes (doubly mapped RAIN) for data
storage is disclosed. A doubly mapped RAIN cluster can be allocated on top of one or more …

Resource-efficient data protection is performed by generat ing meta chunks in storage
systems that utilize erasure coding. During erasure coding with ak+ m configuration, a data …

Described herein, system that facilitates recovery of an object segment in a geographically
distributed storage envi ronment. According to an embodiment, a system can com prise …

Recovery of chunk segments stored via hierarchical erasure coding in a geographically
diverse data storage system is disclosed. Chunks can be stored according to a first-level …

Example storage systems, storage nodes, and methods pro vide erasure coding of data
shards containing multiple data objects. Storage nodes store data shards having a data …

Affinity sensitive data convolution in a geographically diverse data storage system is
disclosed. In response to determining an affinity of a zone to another zone, convolu tion of a …

Preservation of data during scaling of a geographically diverse data storage system is
disclosed. In regard to scaling in, a first zone storage component (ZSC) can be placed in …

Recovery of chunk segments stored via hierarchical erasure coding in a geographically
diverse data storage system is disclosed. Chunks can be stored according to a first-level …

0000S00000S00 GSS 2/2014 Gladwin et al. 8,799,746 B2 8/20 14 Baker et al. 2 () 14/()() 64
() 48 A 1 3/20 14 Cohen et al. 8,832.234 B1 9/2014 Brooker et al. 2 () 14/()|||| 5| 82 A 1 …

A hybrid mapped redundant array of independent nodes (mapped RAIN) for data storage is
disclosed. A hybrid mapped RAIN cluster can be allocated on top of one or more real data …