ocr: TAKING SNAPSHOTS (a) (b) (c) Before After After snapshot snapshot biock. updated Actvenies Aetive me Active: file Snapshot system Shapshot system System Disk blocks: A B C D E A B C D E A B. C. D E D' New block Figure 2. FAserver uses snapshots to create a static image of the: root structure as part of an innovative method ofo overwriting disk blocks: a) 15 a simplified diagram of the file system; b) shows a snapshot being created by duplicating the root structure; c) shows block D being updated, So that the file system points to new data in D, while the snapshot still points to the original d ...
