01-04-2012
It seems an odd thing to do. Have you considered NFS to cross mount the required directory instead? You would need to share the directory from the server side, then mount it from the client. It will appear to everything except filesystem commands to just be there, so df output may look a bit odd and find $somedir -xdev might ignore things you're not expecting it to.
You will need to read the manual pages on your server for mount and that should lead you into how to share the directories you want. Depending on the OS, the way to share and the mount command can be different.
You will have to consider your backup processing, else you may take double backups and have trouble when you need to restore.
You will need to consider the mount options if you set this to re-mount at client boot. If you get it wrong or the sharing server is not available, then you can hang the boot process.
If you state your OS version(s) then we may be able to be more specific in suggestions.
I hoep that this helps.
Robin
Liverpool/Blackburn,
UK
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link(1M) System Administration Commands link(1M)
NAME
link, unlink - link and unlink files and directories
SYNOPSIS
/usr/sbin/link existing-file new-file
/usr/xpg4/bin/link existing-file new-file
/usr/sbin/unlink file
DESCRIPTION
The link and unlink commands link and unlink files and directories. Only super-users can use these commands on directories.
Use link to create a new file that points to an existing file. The existing-file and new-file operands specify the existing file and
newly-created files. See OPERANDS.
link and unlink directly invoke the link(2) and unlink(2) system calls, performing exactly what they are told to do and abandoning all
error checking. This differs from the ln(1) command. See ln(1).
While linked files and directories can be removed using unlink, it is safer to use rm(1) and rmdir(1) instead. See rm(1) and rmdir(1).
/usr/xpg4/bin/link
If the existing file being hard linked is itself a symbolic link, then the newly created file (new-file) will be a hard link to the file
referenced by the symbolic link, not to the symbolic link object itself (existing-file).
OPERANDS
The following operands are supported:
existing-file Specifies the name of the existing file to be linked.
file Specifies the name of the file to be unlinked.
new-file Specifies the name of newly created (linked) file.
ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables that affect the execution of link: LANG, LC_ALL, LC_CTYPE, LC_MES-
SAGES, and NLSPATH.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
/usr/xpg4/bin/link
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWxcu4 |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
SEE ALSO
ln(1), rm(1), link(2), unlink(2), attributes(5), environ(5), standards(5)
SunOS 5.10 9 Oct 2002 link(1M)