Mounting with Kerberos+NFSv4 fails with "Permission denied" error message.

Solution Unverified - Updated -

Issue

  • While mounting nfs4 share in an IPA environment it fails with an error message "Permission denied".
# mount -t nfs4 -vvv -o sec=krb5,proto=tcp nfsserver.example.com:/share /mnt
mount.nfs4: Permission denied
  • Relevant "/var/log/message" logs from the NFS client
Jul 12 17:01:43 nfsserver 1 rpc.gssd[24336]: rpcsec_gss: gss_init_sec_context: (major) Unspecified GSS failure.  Minor code may provide more information - (minor) Server not found in Kerberos database 
Jul 12 17:01:43 nfsserver rpc.gssd[24336]: WARNING: Failed to create krb5 context for user with uid 0 for server nfsserver.domain.com 
Jul 12 17:01:43 nfsserver rpc.gssd[24336]: WARNING: Failed to create krb5 context for user with uid 0 with credentials cache MEMORY:/tmp/krb5cc_machine_CHILD.EXAMPLE.COM for server nfsserver.example.com 
Jul 12 17:01:43 nfsserver rpc.gssd[24336]: WARNING: Failed to create krb5 context for user with uid 0 with any credentials cache for server nfsserver.example.com

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5
  • ipa-client
  • nfs-utils

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