NFS file handle question


 
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Operating Systems Linux NFS file handle question
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Old 06-02-2008
NFS file handle question

Hello All,
I have a small question regarding the NFS file handles.
Suppose I have a NFS client who has requested for a particular file from the NFS server.Now lets assume that I am using a NFS v2 server. So I get the filehandle for that file and I can use it. Suppose later I upgrade the server to NFS v3,can I use the same file handle which was issued to me by the NFS v2 server?

Thanks in advance
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rpcdebug(8)						      System Manager's Manual						       rpcdebug(8)

NAME
rpcdebug - set and clear NFS and RPC kernel debug flags SYNOPSIS
rpcdebug -vh rpcdebug -m module rpcdebug -m module -s flags... rpcdebug -m module -c flags... DESCRIPTION
The rpcdebug command allows an administrator to set and clear the Linux kernel's NFS client and server debug flags. Setting these flags causes the kernel to emit messages to the system log in response to NFS activity; this is typically useful when debugging NFS problems. The first form in the synopsis can be used to list all available debug flags. The second form shows the currently set debug flags for the given module. The third form sets one or more flags, and the fourth form clears one or more flags. The value all may be used to set or clear all the flags for the given module. OPTIONS
-c Clear the given debug flags. -h Print a help message and exit. When combined with the -v option, also prints the available debug flags. -m module Specify which module's flags to set or clear. Available modules are: nfsd The NFS server. nfs The NFS client. nlm The Network Lock Manager, in either an NFS client or server. rpc The Remote Procedure Call module, in either an NFS client or server. -s Set the given debug flags. -v Increase the verbosity of rpcdebug's output. FILES
/proc/sys/sunrpc/{rpc,nfs,nfsd,nlm}_debug procfs-based interface to kernel debug flags. SEE ALSO
rpc.nfsd(8), nfs(5), syslogd(8). BUGS
Bugs can be found or reported at http://nfs.sf.net/. AUTHOR
Program by Olaf Kirch <okir@suse.de> and <frederic.jolly@bull.ext.net>. Manpage by Greg Banks <gnb@melbourne.sgi.com>. 5 Jul 2006 rpcdebug(8)