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Requirement #433

(Requirement) Data and metadata is replicated to at least one other member node

Added by Dave Vieglais over 11 years ago. Updated over 11 years ago.

Status:
New
Priority:
Low
Assignee:
-
Target version:
-
Start date:
Due date:
% Done:

0%


Description

Data is copied verbatim to at least one other node.

Rationale
Replicating information helps to ensure availability after (random or intentional) node inaccessibility. Choices for multiple data retrieval locations improves access efficiency and scalability.

Fit Criteria

  • Copies of data and metadata are available from more than a single node
  • Node failure does not prevent data availability
  • Data and metadata are replicated to at least one other node within XXX minutes of appearing on a Member Node

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