PRIMECLUSTER Global File Services Configuration and Administration Guide 4.1 (Solaris(TM) 10 Operating System)
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Chapter 2 File System Structure> 2.1 Disk Structure of File System

2.1.1 Super block

Super block contains a file system type, creation and update dates, label data, size and layout of the file system, and a data history of empty areas.

The copy of super block at the end of the file system exists to allow continuous processing if a disk device block failure occurs in the area where the super block is stored.

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