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Bug 1005725 - mount.nfs can not parse the -o vers=3
Summary: mount.nfs can not parse the -o vers=3
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: nfs-utils
Version: 6.5
Hardware: All
OS: Linux
high
high
Target Milestone: rc
: ---
Assignee: Steve Dickson
QA Contact: JianHong Yin
URL:
Whiteboard:
Depends On: 1005721
Blocks:
TreeView+ depends on / blocked
 
Reported: 2013-09-09 09:25 UTC by JianHong Yin
Modified: 2015-12-11 18:30 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of: 1005721
Environment:
Last Closed: 2015-12-11 18:30:25 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
patch to fix - v1 (1.67 KB, text/plain)
2014-05-23 13:50 UTC, JianHong Yin 		no flags Details
View All

Description JianHong Yin 2013-09-09 09:25:19 UTC 
+++ This bug was initially created as a clone of Bug #1005721 +++

Description of problem:
mount.nfs can not parse the -o vers=3

Version-Release number of selected component (if applicable):
RedHatEnterpriseServer 5.10
nfs-utils-1.0.9-69.el5

How reproducible:


Steps to Reproduce:
1.
2.
3.

Actual results:
[root@dhcp-13-194 ~]# lsb_release -sir
RedHatEnterpriseServer 5.10
[root@dhcp-13-194 ~]# rpm -q nfs-utils
nfs-utils-1.0.9-69.el5
[root@dhcp-13-194 ~]# mount.nfs  -o vers=3  127.0.0.1:/tmp  /media/
usage: mount.nfs remotetarget dir [-rvVwfnh] [-t version] [-o nfsoptions]
options:
        -r              Mount file system readonly
        -v              Verbose
        -V              Print version
        -w              Mount file system read-write
        -f              Fake mount, don't actually mount
        -n              Do not update /etc/mtab
        -s              Tolerate sloppy mount options rather than failing.
        -h              Print this help
        version         nfs4 - NFS version 4, nfs - older NFS version supported
        nfsoptions      Refer mount.nfs(8) or nfs(5)

[root@dhcp-13-194 ~]# mount.nfs  -o nfsvers=3  127.0.0.1:/tmp  /media/
usage: mount.nfs remotetarget dir [-rvVwfnh] [-t version] [-o nfsoptions]
options:
        -r              Mount file system readonly
        -v              Verbose
        -V              Print version
        -w              Mount file system read-write
        -f              Fake mount, don't actually mount
        -n              Do not update /etc/mtab
        -s              Tolerate sloppy mount options rather than failing.
        -h              Print this help
        version         nfs4 - NFS version 4, nfs - older NFS version supported
        nfsoptions      Refer mount.nfs(8) or nfs(5)

[root@dhcp-13-194 ~]# echo $?
0
[root@dhcp-13-194 ~]# cat /etc/issue
Red Hat Enterprise Linux Server release 5.10 Beta (Tikanga)
Kernel \r on an \m



Expected results:


Additional info:
mount  -o nfsvers=3  127.0.0.1:/tmp  /media/   # this works fine
mount.nfs  -o nfsvers=3  127.0.0.1:/tmp  /media/   #can not work

RHEL5.9 has same problem.
Comment 1 JianHong Yin 2013-09-09 09:27:31 UTC 
run in RHEL6.5-20130905.1
[root@ibm-x3550m3-03 ~]# mount.nfs -o vers=3  localhost:/tmp  /media/
usage: mount.nfs remotetarget dir [-rvVwfnsih] [-o nfsoptions]
options:
        -r              Mount file system readonly
        -v              Verbose
        -V              Print version
        -w              Mount file system read-write
        -f              Fake mount, do not actually mount
        -n              Do not update /etc/mtab
        -s              Tolerate sloppy mount options rather than fail
        -h              Print this help
        nfsoptions      Refer to mount.nfs(8) or nfs(5)

[root@ibm-x3550m3-03 ~]# mount.nfs -o nfsvers=3  localhost:/tmp  /media/
usage: mount.nfs remotetarget dir [-rvVwfnsih] [-o nfsoptions]
options:
        -r              Mount file system readonly
        -v              Verbose
        -V              Print version
        -w              Mount file system read-write
        -f              Fake mount, do not actually mount
        -n              Do not update /etc/mtab
        -s              Tolerate sloppy mount options rather than fail
        -h              Print this help
        nfsoptions      Refer to mount.nfs(8) or nfs(5)

[root@ibm-x3550m3-03 ~]# lsb_release -sir
RedHatEnterpriseWorkstation 6.5
[root@ibm-x3550m3-03 ~]# rpm -q nfs-utils
nfs-utils-1.2.3-38.el6.x86_64
[root@ibm-x3550m3-03 ~]# cat /etc/issue
Red Hat Enterprise Linux Workstation release 6.5 Beta (Santiago)
Kernel \r on an \m
Comment 4 RHEL Program Management 2013-10-14 02:19:45 UTC 
This request was not resolved in time for the current release.
Red Hat invites you to ask your support representative to
propose this request, if still desired, for consideration in
the next release of Red Hat Enterprise Linux.
Comment 6 Steve Dickson 2014-05-23 10:21:38 UTC 
mount.nfs is not the supported way to do NFS mount. 

mount -o vers=3 works
Comment 7 JianHong Yin 2014-05-23 12:52:48 UTC 
(In reply to Steve Dickson from comment #6)
> mount.nfs is not the supported way to do NFS mount. 
> 
> mount -o vers=3 works

In RHEL-7, it works fine;
I think we should fix(or improve) it.
Comment 8 JianHong Yin 2014-05-23 13:50:37 UTC 
Created attachment 898682 [details]
patch to fix - v1
Comment 9 Steve Dickson 2014-05-24 12:15:12 UTC 
(In reply to Yin.JianHong from comment #7)
> (In reply to Steve Dickson from comment #6)
> > mount.nfs is not the supported way to do NFS mount. 
> > 
> > mount -o vers=3 works
> 
> In RHEL-7, it works fine;
> I think we should fix(or improve) it.

mount.nfs server:/export -o vers=3 also works... 

I would rather spend our resources working on other things...
Comment 10 JianHong Yin 2014-05-26 01:18:47 UTC 
Ok. But I still want to express different points of view:

GNU tools popular, one of the reasons is that there is no limited position of parameters and options;

And, that is easy to fix. So I try again to reopen..
  for our software with better user experience.
Comment 11 Steve Whitehouse 2015-12-11 18:30:25 UTC 
I agree with Steve D, no customer has run into this yet. We expect people to use the mount wrapper rather than mount.nfs directly. I don't think we need to fix this, and we should definitely focus on the more important bugs at this stage. It is apparently fixed in RHEL7 anyway (comment #2) and I don't think we need to back port it.
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