UC-2.7

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Main Page > Requirements > OAIS Use Cases > Archival Storage > UC-2.7 Storage Operational Statistics

[edit] UC-2.7 Storage Operational Statistics

Summary
Number UC-2.7
Name Storage Operational Statistics
Context UC-2 Archival Storage
Sub-Use Cases None
Overview Manage Storage Hierarchy monitors error logs to ensure that AIPs are not corrupted during transfers, and provides operational statistics to Administration>Manage System Configuration on storage capacity and usage.
Actors
  • Manage Storage Hierarchy
  • Error Checking
  • Administration>Manage System Configuration
Description
Preconditions UC-2.4 Error Checking
Trigger Error Checking sends error logs to Manage Storage Hierarchy (Step 4 of UC-2.4)
Successful outcome Manage Storage Hierarchy provides operational statistics to Administration>Manage System Configuration
Steps
  1. Manage Storage Hierarchy receives error logs from Error Checking (OAIS Page 4-7)
  2. Manage Storage Hierarchy provides operational statistics to Administration>Manage System Configuration (OAIS Page 4-7)
Exceptions
Documentation
Citations OAIS page 4-7, section 4.1.1.3 "The Manage Storage Hierarchy function positions, via commands, the contents of the AIPs on the appropriate media based on storage management policies, operational statistics, or directions from Ingest via the storage request. It will also conform to any special levels of service required for the AIP, or any special security measures that are required, and ensures the appropriate level of protection for the AIP. These include on-line, off-line or near-line storage, required throughput rate, maximum allowed bit error rate, or special handling or backup procedures. It monitors error logs to ensure AIPs are not corrupted during transfers. This function also provides operational statistics to Administration summarizing the inventory of media on-hand, available storage capacity in the various tiers of the storage hierarchy, and usage statistics."
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