Inode Block Pomiter Simulator V3

Full-stack simulator: click a filename, then an inode block pointer, and watch it resolve through direct or indirect blocks to an LBA, which is then translated into cylinder, head, and sector and highlighted on the physical platter

Inode block pointers resolving to disk blocks A directory entry maps a filename to an inode. The inode's direct, single-indirect, and double-indirect pointers resolve to numbered disk blocks. Directory entry Inode block pointers Blocks (LBA)
Select a pointer to see where it physically lands.
Top-down platter view Concentric rings are cylinders, angular wedges are sectors; the resolved block's cylinder and sector are highlighted.

Head (platter surface)

Head indicator A vertical list of heads with the resolved head highlighted.
Resolved LBA
Cylinder
Head
Sector
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