clri.1m (2010 09)

c
clri(1M) clri(1M)
NAME
clri - clear inode
SYNOPSIS
/usr/sbin/clri
special i-number ...
DESCRIPTION
The
clri command clears the inode i-number by filling it with zeros. special must be a special file
name referring to a device containing a file system. For proper results, special should not be mounted
(see WARNINGS below). After
clri is executed, all blocks in the affected file show up as "missing" in
an
fsck of special (see fsck (1M)). This command should only be used in emergencies.
Read and write permission is required on the specified special device. The inode becomes allocatable.
WARNINGS
The primary purpose of this command is to remove a file that for some reason does not appear in any
directory. If it is used to clear an inode that does appear in a directory, care should be taken to locate the
entry and remove it. Otherwise, when the inode is reallocated to some new file, the old entry in the direc-
tory will still point to that file. At that point, removing the old entry destroys the new file, causing the
new entry to point to an unallocated inode, so the whole cycle is likely to be repeated again.
If the file system is mounted,
clri is likely to be ineffective.
DEPENDENCIES
clri operates only on file systems of type hfs.
SEE ALSO
fsck(1M), fsdb(1M), ncheck(1M).
STANDARDS CONFORMANCE
clri : SVID2, SVID3
HP-UX 11i Version 3: September 2010 − 1 − Hewlett-Packard Company 1