Data storage and preservation 花5 RAID versus RAIN RAIN o Redundant Array of Inexpensive Nodes o similar to RAlD but across nodes Main interest o tackle also the network limitations o when used for redundancy,improves reliability o more on this in subsequent lecture striping mapreduce 11/62 S.Ponce-CERNData storage and preservation 11 / 62 S. Ponce - CERN devices // risks consistency safety c/c striping mapreduce RAID versus RAIN RAIN Redundant Array of Inexpensive Nodes similar to RAID but across nodes Main interest tackle also the network limitations when used for redundancy, improves reliability more on this in subsequent lecture