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Full Discussion: inode table location ??
Top Forums UNIX for Advanced & Expert Users inode table location ?? Post 302135777 by Perderabo on Wednesday 12th of September 2007 10:42:01 AM
Old 09-12-2007
The location of the inode table in a file system depends on the particular file system being used. In general, most modern file systems scatter the inodes among the data blocks. This allows an inode to reside close to the data it describes and tends to reduce overall seek time. You don't say what type of check you want to perform. Most file systems include a version of fsck and this program should be able to verify the integrity of the inode table. You need to unmount the file system first and this usually requires single user mode.

If you want to find inode-to-filename mappings, "ls -li" is a tool that comes to mind. You can find all hard links to an inode with a command like:
find /mountpoint -inum 123456 -print
But be aware that it is legal for a file described by an inode to have zero hard links. (Such a file will disappear when the last program that has it open closes it.)
 

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LEARN ABOUT OSX

clri

CLRI(8) 						    BSD System Manager's Manual 						   CLRI(8)

NAME

     clri -- clear an inode

SYNOPSIS

     clri special_device inode_number ...

DESCRIPTION

     Clri is obsoleted for normal file system repair work by fsck(8).

     Clri zeros out the inodes with the specified inode number(s) on the filesystem residing on the given special_device.  The fsck(8) utility is
     usually run after clri to reclaim the zero'ed inode(s) and the blocks previously claimed by those inode(s).  Both read and write permission
     are required on the specified special_device.

     The primary purpose of this routine is to remove a file which for some reason is not being properly handled by fsck(8).  Once removed, it is
     anticipated that fsck(8) will be able to clean up the resulting mess.

SEE ALSO

     fsck(8), fsdb(8), icheck(8), ncheck(8)

BUGS

     If the file is open, the work of clri will be lost when the inode is written back to disk from the inode cache.

4th Berkeley Distribution					  April 19, 1994					 4th Berkeley Distribution
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