Six Megabytes On Disk
Same inode layout as a classic UNIX file system: 12 direct pointers, then single, double and triple indirect. Blocks are 4 KB, pointers are 4 bytes.
A file is exactly 6 MB (6,291,456 bytes) and fully allocated.
How many 4 KB blocks does it consume on disk in total, counting data blocks and every index block the file system had to allocate?
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