• DocumentCode
    3317337
  • Title

    Logical vs. physical disk shadowing

  • Author

    Graefe, Goetz ; Shapiro, Leonard D.

  • Author_Institution
    Colorado Univ., Boulder, CO, USA
  • fYear
    1991
  • fDate
    3-5 Apr 1991
  • Firstpage
    91
  • Abstract
    Summary form only given. Bitton and Gray (1988) have defined disk shadowing as a technique for maintaining a set of two or more identical disk images on separate disk drives. Its primary purpose is to enhance reliability and availability of secondary storage by providing multiple paths to redundant data. The current paper demonstrates how disk shadowing can be further improved if not physical page images but logical data sets are mirrored with different clustering strategies on different disks
  • Keywords
    database management systems; reliability; availability; clustering strategies; disk drives; identical disk images; logical data sets; logical disk shadowing; multiple paths; physical disk shadowing; physical page images; redundant data; reliability; secondary storage; Arm; Availability; Database systems; Disk drives; Image databases; Indexes; Maintenance; Shadow mapping; Sorting; Telephony;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Applied Computing, 1991., [Proceedings of the 1991] Symposium on
  • Conference_Location
    Kansas City, MO
  • Print_ISBN
    0-8186-2136-2
  • Type

    conf

  • DOI
    10.1109/SOAC.1991.143853
  • Filename
    143853