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Access denied by server while mounting with NFS Kerberos in trusted domain

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Category:
ontap-9
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nas
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Applies to

  • ONTAP 9
  • NFS Kerberos
  • Trusted domain

Issue

  • NFS kerberos mount in trusted domain fails.
[root@host1 ~]#mount -t nfs -vvv -o rw,sec=krb5,nfsvers=4,minorversion=1,clientaddr=10.x.x.x nfs:/volumepath /hostpath
Thu Apr 13 10:52:49 IST 2023
mount.nfs: timeout set for Thu Apr 13 10:54:49 2023
mount.nfs: trying text-based options 'sec=krb5,nfsvers=4,clientaddr=10.x.x.x,vers=4.1,addr=10.x.x.x'
mount.nfs: mount(2): Permission denied
mount.nfs: access denied by server while mounting nfs:/volumepath
 
  • NFS kerberos LIF is created on domain "domain1.com.in".
::*> nfs kerberos interface show -vserver nfsserver-3
Logical
Vserver        Interface     Address         Kerberos SPN
-------------- ------------- --------------- -------- -----------------------
clus-sv3       clus-sv3-if1  10.xx.yy.228    enabled  nfs/clus-sv3.nas.ss.com.in@domain1.com.in
 
  • NFS client is part of different domain domain2.com.in.
[root@host1 ~]# realm list
domain2.com.in
type: kerberos
realm-name: DOMAIN2.COM.IN
domain-name: domain2.com.in
configured: kerberos-member
server-software: ipa
client-software: sssd
required-package: ipa-client
required-package: oddjob
required-package: oddjob-mkhomedir
required-package: sssd
login-formats: %U
login-policy: allow-realm-logins

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