Tuesday, 4 October 2011

WAFL - Ontap file system

Write Anywhere File Layout

  • WAFL : Write Anywhere File Layout.
  • This file system for Data ONTAP operating system.
  • WAFL write the data in next available block.
  • WAFL taking snapshot frequently the root volume, Because in the time of Improper shutdown, WAFL restore the last Snapshot when filer rebooting.
  • Internally called a Consistency Point

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