Summary
Understand the challenge of crash consistency in file systems and how FSCK and journaling techniques address this issue. Learn why journaling is preferred in modern file systems for faster recovery after crashes and how different journaling methods balance consistency guarantees with performance. Explore research insights on the complexity of ensuring crash-consistent applications and the ongoing development in this field.
We'll cover the following...
We'll cover the following...
We have introduced the problem of crash consistency and discussed various approaches to attacking this problem. The older approach of building a file system checker works but is likely too slow to recover on modern systems. Thus, many file systems now use journaling. Journaling reduces ...