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Full Discussion: Mounted Root Filesystem
Top Forums UNIX for Advanced & Expert Users Mounted Root Filesystem Post 96105 by Perderabo on Tuesday 17th of January 2006 02:59:42 PM
Old 01-17-2006
It must be in your automounter maps somewhere. The master map is usually /etc/auto_master and it probably is there. If not, it will be in some file referenced by the master map. I usually just shut down automount.

Suppose you have a file in the root filesystem called /usr/somefile. But then you mount /usr, so you can no longer see /usr/somefile. A mount like you have there would restore access to that file. When /usr is mounted, the permissions on /usr are supposed to come from the root directory of the usr filesystem. Some, maybe all, versions of SunOS get the permissions instead from /usr in the root filesystem. Should they be wrong, you need to umount /usr, chmod /usr, and remount /usr. Or use this mount trick to gain access to the mount point. These are the only reasons I know to have a mount like that.
 

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LEARN ABOUT DEBIAN

sys::filesystem::solaris

Sys::Filesystem::Solaris(3pm)				User Contributed Perl Documentation			     Sys::Filesystem::Solaris(3pm)

NAME

       Sys::Filesystem::Solaris - Return Solaris filesystem information to Sys::Filesystem

SYNOPSIS

       See Sys::Filesystem.

INHERITANCE

	 Sys::Filesystem::Solaris
	 ISA Sys::Filesystem::Unix
	   ISA UNIVERSAL

METHODS

       version ()
	   Return the version of the (sub)module.

ATTRIBUTES

       The following is a list of filesystem properties which may be queried as methods through the parent Sys::Filesystem object.

       device
	   Resource name.

       device_to_fsck
	   The raw device to fsck.

       mount_point
	   The default mount directory.

       fs_vfstype
	   The	name of the file system type.

       fs_freq
	   The number used by fsck to decide whether to check the file system automatically.

       mount_at_boot
	   Whether the file system should be mounted automatically by mountall.

       fs_mntops
	   The file system mount options.

       time
	   The time at which the file system was mounted.

SEE ALSO

       Solaris::DeviceTree

VERSION

       $Id: Solaris.pm 128 2010-05-12 13:16:44Z trevor $

AUTHOR

       Nicola Worthington <nicolaw@cpan.org> - <http://perlgirl.org.uk>

       Jens Rehsack <rehsack@cpan.org> - <http://www.rehsack.de/>

COPYRIGHT

       Copyright 2004,2005,2006 Nicola Worthington.  Copyright 2009,2010 Jens Rehsack.

       This software is licensed under The Apache Software License, Version 2.0.

       <http://www.apache.org/licenses/LICENSE-2.0>

perl v5.10.1							    2010-05-18					     Sys::Filesystem::Solaris(3pm)
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