Fermilab Computing Division

CS Document 5483-v1

Sam User Guide

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Submitted by:
Katherine Lato
Updated by:
Katherine Lato
Document Created:
01 Dec 2014, 11:58
Contents Revised:
01 Dec 2014, 11:58
Metadata Revised:
01 Dec 2014, 11:58
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Sequential Access via Metadata (SAM) is a data handling system to store and retrieve files and associated metadata, including a complete record of the processing which has used or generated the files. The User Guide for SAM includes how to use the samweb interface, the File Transfer System, and monitoring of SAM jobs.
The location of copies of files changes over time. Files can be loaded from a tape to a fast-cache disk, or may move onto tape for long-term storage. At any given time, users don't need to know where their files are physically located. SAM handles the bookkeeping by using metadata, which is data about data. Users define what they want, and SAM finds and delivers the files, on whatever disk the file is needed.
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