Differences between revisions 1 and 2
Revision 1 as of 2008-06-26 12:26:05
Size: 1370
Editor: kfc
Comment: Created by the PackagePages action.
Revision 2 as of 2010-03-17 13:09:10
Size: 1370
Editor: localhost
Comment: converted to 1.6 markup
No differences found!

Bit storage

IT bit storage offers:

  • Three copies - one disk, two tape
  • Monthly checks of disk-copy
  • Checks every three year on tape copies while rewriting. Note: Tapes guarantee 15 years.
    • Possibly we could raise checks to once every year. Must find out what requirements are.

Access

  • We can access the files through HTTP. IT will host the apache
  • URL will be of type https://storage.statsbiblioteket.dk/<<storagetype>>/<<fileid>>

    • <<storagetype>> is the general storage collection the file belongs to

    • <<fileid>> may contain 'directories' with / delimiter

  • We can implement authorization with an e-ticket in a cookie
  • The Apache server will support HTTP/1.1, including asking for partial files
  • We can get access to the MD5 checksum for stored files
  • Files are available from disk storage, giving fast access times
  • It will also be possible to have read-only shell access to files on rigel, if needed.

Store

  • A script currently available to 'Statens Arkiver' can be extended to be used for us to store files
  • We will give a directory/file and a storage location, and we will get an MD5 checksum back. When we acknowledge the checksum, the file is then read-only
  • It will be possible to have storage areas with different bitstorage guarantees: 1 tape copy, 2 tape copies

BitstorageAgreement (last edited 2010-03-17 13:09:10 by localhost)