Labels:text | screenshot | line | diagram | parallel | font | rectangle OCR: TAKING SNAPSHOTS (a) (b) (c) Before Aftel After snapshot snapshot block updated Activerfile. Snapshot Active file Snapshot Active file 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 of overwriting disk blocks: a) is 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 data in D.
