Bug 718063 - double mounted nfs entries for both ipv4 and ipv6
Summary: double mounted nfs entries for both ipv4 and ipv6
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Fedora
Classification: Fedora
Component: nfs-utils
Version: 15
Hardware: x86_64
OS: Linux
unspecified
medium
Target Milestone: ---
Assignee: Steve Dickson
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-06-30 20:45 UTC by Rolf Fokkens
Modified: 2012-08-07 18:39 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-08-07 18:39:39 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)
fstab that results in double NFS mounts (656 bytes, application/octet-stream)
2011-06-30 20:47 UTC, Rolf Fokkens
no flags Details

Description Rolf Fokkens 2011-06-30 20:45:27 UTC
Description of problem:
After upgrading to Fedora 15 all my NFS mounts are both done on IPv4 and IPv6. This means that all is mounted twice. I'm quite sure this was not the case on Fedora 15.

I suspect this is caused by the fact that IPv6 becomes available (radvd on server) after the first NFS mount, and before an apparent second NFS mount.

Version-Release number of selected component (if applicable):
nfs-utils-1.2.3-11.fc15.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Enable IPv6 networking
2. Enter both an A and an AAAA record in DNS for the NFS server
3. Boot the Fedora 15 client that mounts NFS
  
Actual results:
[root@home07 init.d]# mount
/proc on /proc type proc (rw,relatime)
/sys on /sys type sysfs (rw,relatime,seclabel)
...
home01:/home/ on /home type nfs4 (rw,relatime,vers=4,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp6,port=0,timeo=600,retrans=2,sec=sys,clientaddr=2001:1af8:fe43:2:218:f3ff:fefd:97a,minorversion=0,local_lock=none,addr=2001:1af8:fe43:2::1)
home01:/home/ on /home type nfs4 (rw,relatime,vers=4,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=192.168.254.7,minorversion=0,local_lock=none,addr=192.168.254.254)
[root@home07 init.d]#

Expected results:
[root@home07 init.d]# mount
/proc on /proc type proc (rw,relatime)
/sys on /sys type sysfs (rw,relatime,seclabel)
...
home01:/home/ on /home type nfs4 (rw,relatime,vers=4,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp6,port=0,timeo=600,retrans=2,sec=sys,clientaddr=2001:1af8:fe43:2:218:f3ff:fefd:97a,minorversion=0,local_lock=none,addr=2001:1af8:fe43:2::1)
[root@home07 init.d]#

Additional info:
Blaming nfs-utils might be unfair, as probably the whole systemd startup may cause the problem.

Comment 1 Rolf Fokkens 2011-06-30 20:47:55 UTC
Created attachment 510752 [details]
fstab that results in double NFS mounts

Comment 2 Fedora End Of Life 2012-08-07 18:39:41 UTC
This message is a notice that Fedora 15 is now at end of life. Fedora
has stopped maintaining and issuing updates for Fedora 15. It is
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of '15' have been closed as WONTFIX.

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