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How to make NFS4 mount permanent ?


 
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Operating Systems AIX How to make NFS4 mount permanent ?
# 1  
Old 10-19-2017
How to make NFS4 mount permanent ?

Hello,

I'm able to mount NFSv3 shares permanently (/etc/filesystems) via smitty nfs.

Code:
[root@nfs3client]/>lsfs -a
Name            Nodename   Mount Pt               VFS   Size    Options    Auto Accounting
/dev/hd4        --         /                      jfs2  2097152 --         yes  no
/dev/hd1        --         /home                  jfs2  1638400 --         yes  no
/dev/hd2        --         /usr                   jfs2  30932992 --         yes  no
/dev/hd9var     --         /var                   jfs2  2883584 --         yes  no
/dev/hd3        --         /tmp                   jfs2  4194304 --         yes  no
/dev/hd11admin  --         /admin                 jfs2  262144  --         yes  no
/proc           --         /proc                  procfs --      --         yes  no
/dev/hd10opt    --         /opt                   jfs2  2097152 --         yes  no
/dev/livedump   --         /var/adm/ras/livedump  jfs2  524288  --         yes  no
 nfsserver:/nfs3shre/test /mntpoint                nfs   --      rw,bg,hard,intr,sec=sys yes  no

I've tried to follow the same procedure (smitty nfs) for NFSv4 as well. But it gave me below error.

Code:
Command: failed        stdout: yes           stderr: no

Before command completion, additional instructions may appear below.

mount: 1831-011 access denied for nfsserver:/nfs4shre/test
mount: 1831-008 giving up on:
nfsserver:/nfs4shre/test
The file access permissions do not allow the specified action.


But when I use below command, then it worked.

mount -o vers=4,hard,rw,bg,intr,sec=sys nfsserver:/nfs4shre/test /mntpoint


The issue is " NFSv4 share is not mounting automatically after a server reboot".

As per my understanding,
we are not supposed to modify/edit " /etc/filesystems" in AIX.

As per IBM man pages
Quote:
Modifying this file can cause several effects to file systems
Please let me know how can I make NFSv4 mount permanently available across reboots.

Thank you.

Last edited by rbatte1; 10-20-2017 at 07:13 AM.. Reason: Converted bold text to a quote
# 2  
Old 10-20-2017
Yes, there are warnings because you can make you system fail to boot if you really mess up, but it is a structured text file and you just have to be careful.

Can I just check that you are running the smit panels as the super user? (usually root)


Can you paste the panels you are completing (in CODE tags) so we can consider it?



Thanks, in advance,
Robin
# 3  
Old 10-20-2017
Thanks for your reply.

I usually use smitty nfs to mount NFSv3 share filesystems (or sometimes mount command).


I tired the same for NFSv4.


Code:
[root@nfsclient]/>smitty nfs
                                                                Add a File System for Mounting

Type or select values in entry fields.
Press Enter AFTER making all desired changes.

                                                        [Entry Fields]
*  Pathname of mount point                             [/mntpoint]                                                                                              /
* Pathname of remote directory                       [/nfs4share/test]
* Host where remote directory resides                [nfsserver]
  Mount type name                                    []
*  Security method                                     [sys]                                                                                                  +
* Mount now, add entry to /etc/filesystems or both?    both                                                                                                   +
* /etc/filesystems entry will mount the directory      yes                                                                                                    +
   on system restart.
* Mode for this NFS file  system                        read-write                                                                                            +
* Attempt mount in foreground or background            background                                                                                            +
  Number of times to attempt mount                    []                                                                                                      #
  Buffer size for read                                []                                                                                                      #
  Buffer size for writes                              []                                                                                                      #
  NFS timeout. In tenths of a second                  []                                                                                                      #
  NFS version for this NFS filesystem                  any                                                                                                   +
  Transport protocol to use                            any                                                                                                   +
  Internet port number for server                     []                                                                                                      #
* Allow execution of setuid and setgid programs        yes                                                                                                   +
   in this file system?
* Allow device access via this  mount?                  yes                                                                                                   +
* Server supports long device numbers?                 yes                                                                                                   +
* Mount file system soft or hard                       hard                                                                                                  +
  Minimum time, in seconds, for holding               [3]                                                                                                     #
   attribute cache after file modification
  Allow keyboard  interrupts on hard mounts?            yes                                                                                                   +
  Maximum time, in seconds, for holding               [60]                                                                                                    #
   attribute cache after file modification
  Minimum time, in  seconds, for holding               [30]                                                                                                    #
   attribute cache after directory modification
  Maximum time,  in seconds, for holding               [60]                                                                                                    #
   attribute cache after directory modification
  Minimum &  maximum time, in seconds, for             []                                                                                                      #
   holding attribute cache after any modification
  The maximum  number of biod daemons allowed          [6]                                                                                                     #
   to work on this file system
* Use acls on this  mount?                              no                                                                                                    +
  Number of NFS retransmits                           []                                                                                                      #
* Exchange POSIX pathconf information?                 no                                                                                                    +
* Inherit group IDs?                                   no                                                                                                    +



F1=Help                                F2=Refresh                              F3=Cancel                              F4=List
F5=Reset                               F6=Command                              F7=Edit                                F8=Image
F9=Shell                               F10=Exit                                Enter=Do

Please let me know if I need to provide additional details.

Thank you.

---------- Post updated at 09:59 AM ---------- Previous update was at 09:56 AM ----------

Received below error

Code:
Command: failed        stdout: yes           stderr: no

Before command completion, additional instructions may appear below.

mount: 1831-011 access denied for nfsserver:/nfs4shre/test
mount: 1831-008 giving up on:
nfsserver:/nfs4shre/test
The file access permissions do not allow the specified action.

But "mount" command worked as I mentioned above, do not how to make it permanent.
# 4  
Old 10-20-2017
You haven't set a value for NFS version for this NFS filesystem Could it be in there? What does the option list suggest for that value? (F4 I think)



Robin
This User Gave Thanks to rbatte1 For This Post:
# 5  
Old 10-20-2017
Thank you Robin!

my bad, how come I missed this. I was looking (scanning) for this option on smit panel. I was thinking that, there's no option to choose NFS version.
This was my fault, failure to notice. sorry.

By default it was set to "any". I just selected "4".


It worked, added entry to "/etc/filesystems".
Thanks much! Smilie
# 6  
Old 10-20-2017
Great! Take a note of the stanza it added to /etc/filesystems and you can add more by just editing the file.

Just be careful to get the structures correct. I think it loads every valid one, so just don't mess around with those that are critical to the OS and you can always recover.


Sadly I no longer manage AIX servers after being made redundant 2 years ago, so you have brought up a fond memory. Smilie



Kind regards,
Robin
This User Gave Thanks to rbatte1 For This Post:

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