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HSM (SAM-QFS): Examining the Inode Layout (Doc ID 1468088.1)

Last updated on NOVEMBER 16, 2023

Applies to:

Oracle Hierarchical Storage Manager (HSM) and StorageTek QFS Software - Version 4.6 and later
Information in this document applies to any platform.

Goal

 This document aims to explain the layout of a disk inode in a SAM-QFS filesystem, by showing some example files and directories. Special attention is given to the layout of the different extents and pointers to data blocks.

Solution

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In this Document
Goal
Solution
 Finding the inode number
 What is this generation number ?
 Visualize the inode information
 Extents
 What is the ordinal number and where can I find it ?
 Mapping the ordinal to an equipment number
 Visualizing the direct extents
 Visualizing the indirect extents
 Hardlink extents
 ACL extents
 Symbolic link extents
 Multivolume Archive extents
 Removable Media File Attribute extents

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