https://wiki.umiacs.umd.edu/adapt/index.php?action=history&feed=atom&title=Toaster%3ADigArchTerms 2026-04-07T09:31:15Z Revision history for this page on the wiki MediaWiki 1.43.7 https://wiki.umiacs.umd.edu/adapt/index.php?title=Toaster:DigArchTerms&diff=1831&oldid=prev 2008-09-11T18:02:56Z

<p></p> <p><b>New page</b></p><div><br /> ; Archive Master: <br /> <br /> ; Fileset: A storge pool on a node. Authoritive information for the fileset is stored locally on the node. For simplicity sake, replication occurs to entire filesets.<br /> <br /> ; Fileset Group: A set of identical filesets spread across different nodes. Each member of a fileset has a locally authoritative copy of all other group members. The first member of a fileset is chosen as a fileset group master. All members of a group are responsible for ensuring they are in sync with the master<br /> <br /> ; Fileset Group Master: The fileset in a fileset group that is responsible for pushing modifications to group information to other members. It is also the node that accepts new data for a fileset and pushes it out to all members. It also issues purges to other group members.<br /> <br /> ; Node: A data storage node that contains filesets.<br /> <br /> ; Package: The unit of preservation. A block of bits identified by a digest across the block. The package can contain many files. Further information is available on the [[Toaster:DigArchPackage|package format]]<br /> <br /> ; Storage Class: A list of storage requirements. It is composed of 1 or more fileset groups. Clients request a storage class for packages they wish to ingest</div>

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