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Full Discussion: NFS file/dir disappear issue
Operating Systems Solaris NFS file/dir disappear issue Post 71886 by motor98 on Monday 16th of May 2005 09:05:25 PM
Old 05-16-2005
NFS file/dir disappear issue
We have bunch of Sun Sparc workstations(solaris 7 & 8) connecting to a linux file server with NFS exports. Recently we upgraded our file server from fedora core1 to redhat enterprise linux 4. And since then we are experiencing a nightmare of file/dir missing. It happens randomly, couple of times every day, on almost all the workstations, and it happened on random directories. The workstations just think that those dirs doesn't exist. but actually on the server we can see those directories.

The weird thing is, the missing dir/file can automatically come back after like 30 minutes. or if we do a "ls -LR" from the server, the dir will reappear on the client side.

We don't have firewall in our intranet, and I have turned off SELinux on the redhat linux side. The clients/workstations are all permanently mounted those dirs, not automount.

We don't know if we need to change some parameters from either server side or client side. Any suggestion is highly welcomed.

Thanks,
motor98
 

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LEARN ABOUT CENTOS

showmount

SHOWMOUNT(8)						      System Manager's Manual						      SHOWMOUNT(8)

NAME

       showmount - show mount information for an NFS server

SYNOPSIS

       showmount [ -adehv ] [ --all ] [ --directories ] [ --exports ] [ --help ] [ --version ] [ host ]

DESCRIPTION

       showmount  queries  the	mount  daemon on a remote host for information about the state of the NFS server on that machine.  With no options
       showmount lists the set of clients who are mounting from that host.  The output from showmount is designed to appear as though it were pro-
       cessed through ``sort -u''.

OPTIONS

       -a or --all
	      List  both  the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
	      See the notes on rmtab in rpc.mountd(8).

       -d or --directories
	      List only the directories mounted by some client.

       -e or --exports
	      Show the NFS server's export list.

       -h or --help
	      Provide a short help summary.

       -v or --version
	      Report the current version number of the program.

       --no-headers
	      Suppress the descriptive headings from the output.

SEE ALSO

       rpc.mountd(8), rpc.nfsd(8)

BUGS

       The completeness and accuracy of the information that showmount displays varies according to the NFS server's implementation.

       Because showmount sorts and uniqs the output, it is impossible to determine from the output whether a client is mounting the same directory
       more than once.

AUTHOR

       Rick Sladkey <jrs@world.std.com>

								  6 October 1993						      SHOWMOUNT(8)
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