Question #137: A journaling file system is a file system that keeps track of the changes that will be made in a journal (usually a circular log in a dedicated area of the file system) before committing them to the main file system. Which of the following statement is not true about journaling in file systems?
Options:
- Journaled file system provides data security in case of power failure.
- Journaled file system provides data security in case of sudden disconnection of storage devices.
- Journaled file system provides data security in case of bad blocks.
- Journaled file system adds on overhead.
Solution: The correct answer is the third one. Bad blocks can happen in the existing file system too, hence journaling won’t help in this case. Rather, a solution like RAID would help.
Bytes of the day 