PRIMECLUSTER Global File Services Configuration and Administration Guide 4.2 (Solaris(TM) Operating Environment)
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Part 3 Global File Services Shared File System> Chapter 13 File System Structure> 13.1 Disk Structure of File System

13.1.2 Partition configuration data

The GFS Shared File System is able to combine multiple partitionTerms into a file system. The partition configuration data contains information about the partitions comprising a file system and the allocation of data areas in a partition.

This area is used when a file system configuration or a shared device are changed.

Similar to the super block, the partition configuration data is important for operation of the file system and for protection from disk device block failures a backup copy exists at the end of the partition.


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