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12-01-2011 05:41 AM
12-01-2011 05:41 AM
OpenVMS 8.4 NFS Export to Linux: Permission Denied
I am trying to export disks from an OpenVMS 8.4 machine to a Linux Enterprise v5.3 machine.
I think I've done everything expected, but receive a permission denied error when attempting to mount on the Linux Machine. Can anyone lend advice? I have listed below the background and particulars.
The VMS host is: uigelc.eecs.umich.edu
The VMS device to be exported is: uigelc$dka200:
The VMS mapping is to: /uigelc_dka200
The VMS proxy to the Linux is: NFS, uid=0/gid=0
The Linux host is: uigel14.eecs.umich.edu (141.213.8.129)
Just to verify, the TCPIP output on the VMS host is
TCPIP> show export
File System Host name
/uigelc_dka200 UIGEL14.EECS.UMICH.EDU,
uigel14.eecs.umich.edu, 141.213.8.129,
uigel14, UIGEL14
TCPIP> sho map
Dynamic Filesystem Map
Pathname Logical File System
/uigelc_dka200 UIGELC$DKA200:
TCPIP> show proxy
VMS User_name Type User_ID Group_ID Host_name
NFS ON 0 0 141.213.8.129, UIGEL14,
UIGEL14.EECS.UMICH.EDU,
uigel14,uigel14.eecs.umich.edu
(NOTE: According to the passwd file on uigel14.eecs.umich.edu, root is uid=0,gid=0
root:x:0:0:root:/root:/bin/bash )
(NOTE: I've used every permutation of uigel14.eecs.umich.edu just to make certain....)
When executing the mount command on uigel14, I get the following error:
mount uigelc.eecs.umich.edu:/uigelc_dka200 /uigelc_dka200
mount.nfs: Permission denied
I executed the following command on uigel14 to confirm that /uigelc_dka200 is being exported by uigelc:
/usr/sbin/showmount -e uigelc.eecs.umich.edu
Export list for uigelc.eecs.umich.edu:
/uigelc_dka200 UIGEL14.EECS.UMICH.EDU,uigel14.eecs.umich.edu,UIGEL14,uigel14,UIGEL14
So it looks as though uigel14 is seeing the export from uigelc.
I also tried a modifed mount command, and also get a permission denied.
mount -t nfs uigelc.eecs.umich.edu:/uigelc_dka200 /uigelc_dka200
mount.nfs: Permission denied
The permissions on the Linux mount point are:
ls -lat /uigelc_dka200
total 16
drwxr-xr-x 2 root root 4096 Nov 30 17:06 .
drwxr-xr-x 34 root root 4096 Nov 30 17:06 ..
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12-01-2011 10:56 AM
12-01-2011 10:56 AM
Re: OpenVMS 8.4 NFS Export to Linux: Permission Denied
Using REPLY/ENABLE=NETWORK to get operator messages can be useful debugging NFS server problems.
It may be some sort of root_squash issue but getting the error messages is going to be better than guessing.
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11-04-2012 06:02 AM
11-04-2012 06:02 AM
Re: OpenVMS 8.4 NFS Export to Linux: Permission Denied
Sadly, but I'm afraid that REPLY /ENABLE=NETWORK didn't provide any answers, nor the desired verbosity. I've run into the same problems, as described throughout this thread, in the last few days (as I'm trying to mount a share on a UNIX machine).
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11-04-2012 05:55 PM
11-04-2012 05:55 PM
Re: OpenVMS 8.4 NFS Export to Linux: Permission Denied
>as I'm trying to mount a share on a UNIX machine
What version of UNIX?
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11-06-2012 01:03 PM
11-06-2012 01:03 PM
Re: OpenVMS 8.4 NFS Export to Linux: Permission Denied
>>> I've run into the same problems, as described throughout this thread, in the last few days (as I'm trying to mount a share on a UNIX machine).