Unable to mount NFS export when root volumes export policy deny read access

Last updated

Mar 5, 2025
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Views:: 9,686

Visibility:: Public

Votes:: 6

Category:: ontap-9

Specialty:: NAS

Last Updated:: 3/5/2025, 5:43:18 AM

Applies to

ONTAP 9
NFS

Issue

Permission denied/access denied errors seen while mounting the volume on client:

[root@client1 ~]# mount 10.1.2.3:/vol1 /mnt -v

mount.nfs: timeout set for Fri Mar 12 01:11:48 2021 mount.nfs: trying text-based options 'vers=4.1,addr=10.1.2.3,clientaddr=10.3.4.5' mount.nfs: mount(2): Operation not permitted mount.nfs: trying text-based options 'addr=10.1.2.3' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: trying 10.1.2.3 prog 100003 vers 3 prot TCP port 2049 mount.nfs: prog 100005, trying vers=3, prot=17 mount.nfs: trying 10.1.2.3 prog 100005 vers 3 prot UDP port 635 mount.nfs: mount(2): Permission denied mount.nfs: Operation not permitted

[root@client1 ~]# mount 10.1.2.3:/vol1 /mnt mount.nfs: access denied by server while mounting 10.1.2.3:/vol1

NFS Client for Windows shows below error:

System error 53 has occurred. The network path was not found

Command check-access shows which export-policy rule is denying read access on SVM's root volume (svm1_root)

::> vserver export-policy check-access -vserver svm1 -volume vol1 -client-ip 10.3.4.5 -authentication-method sys -protocol nfs3 -access-type read-write

                                         Policy    Policy       Rule
Path                          Policy     Owner     Owner Type  Index Access
----------------------------- ---------- --------- ---------- ------ ----------
/                             default    svm1_root
                                                   volume          0 denied    Copied