Due: Mon, 05 Dec 2016 11:00:00 -0800
Read the Yggdrasil paper. Focus on Sections 2 and 4.
“A log-structured file system” in Section 2.2 describes how mknod
adds one file in five steps (also shown in Figures 2a and 2b).
What’s the minimum number of disk flushes required to ensure correctness in mknod?
List at least three types of bugs that can be prevented by Yggdrasil.
List at least three types of bugs that cannot be prevented by Yggdrasil.
Write down your answers in a file named answers.txt, and upload it
using the course dropbox.