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Trouble with .tar creation over NFS mount

 
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Old 03-27-2013
Trouble with .tar creation over NFS mount
Hello,

I am trying to backup a directory to an NFS mount. But after mounting the "tar" command is failing.

1. Created folder for mount point: test1
2. Mounted desired mount:
[root@server_name1 ~]# mount -t nfs server_name2:/backup/WMSAPP_backup -w /test1/
[root@server_name1 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVolRoot
19G 14G 4.1G 78% /
/dev/mapper/VolGroup00-LogVolTmp
9.5G 3.9G 5.1G 44% /tmp
/dev/mapper/VolGroup00-LogVolVar
4.8G 574M 4.0G 13% /var
/dev/mapper/VolGroup00-LogVolApps
99G 14G 81G 15% /apps/scope
/dev/sda1 996M 41M 904M 5% /boot
tmpfs 7.9G 0 7.9G 0% /dev/shm
server_name2:/backup/WMSAPP_backup
1008G 80G 878G 9% /test1

[root@servera-name1 ~]# tar cvf /test1/app_scope.tar /apps/scope/
tar: /test1/app_scope.tar: Cannot open: Permission denied
tar: Error is not recoverable: exiting now

A. Is there a different way of mounting where we can pass credentials. I read somewhere that we do not need credentials to mount as NFS.

B. Is there a different tar option that we can use...

THanks in advance for help.
 
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LEARN ABOUT V7

mount.nfs

MOUNT.NFS(8)						      System Manager's Manual						      MOUNT.NFS(8)

NAME

       mount.nfs, mount.nfs4 - mount a Network File System

SYNOPSIS

       mount.nfs remotetarget dir [-rvVwfnsh ] [-o options]

DESCRIPTION

       mount.nfs is a part of nfs(5) utilities package, which provides NFS client functionality.

       mount.nfs  is  meant to be used by the mount(8) command for mounting NFS shares. This subcommand, however, can also be used as a standalone
       command with limited functionality.

       remotetarget is a server share usually in the form of servername:/path/to/share.  dir is the directory on which the file system	is  to	be
       mounted.

       Under  Linux  2.6.32  and  later  kernel  versions, mount.nfs can mount all NFS file system versions.  Under earlier Linux kernel versions,
       mount.nfs4 must be used for mounting NFSv4 file systems while mount.nfs must be used for NFSv3 and v2.

OPTIONS

       -r     Mount file system readonly.

       -v     Be verbose.

       -V     Print version.

       -w     Mount file system read-write.

       -f     Fake mount. Don't actually call the mount system call.

       -n     Do not update /etc/mtab.	By default, an entry is created in /etc/mtab for every mounted file system. Use this option to skip making
	      an entry.

       -s     Tolerate sloppy mount options rather than fail.

       -h     Print help message.

       nfsoptions
	      Refer to nfs(5) or mount(8) manual pages.

NOTE

       For further information please refer nfs(5) and mount(8) manual pages.

FILES

       /etc/fstab	 file system table

       /etc/mtab	 table of mounted file systems

SEE ALSO

       nfs(5), mount(8),

AUTHOR

       Amit Gud <agud@redhat.com>

								    5 Jun 2006							      MOUNT.NFS(8)