NetApp Interview Question
Software Engineer / Developersa superblock, contains a magic number (19 54 01 19 or 01 19 54 for UFS)identifying this as a UFS filesystem, and some other vital numbers describing this filesystem's geometry and statistics like size and status and behavioral tuning parameters, informatioon about other metadata structures. Linux also maintains multiple redundant copies of the superblock in every file system.
superblock contains info like free block list, no of free blocks etc
- Yoda February 27, 2010