使用 krb5 安全性的 NFSv4 挂载失败，并显示 "access denied b 服务器 " ，因为加密不受支持

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Category:: ontap-9

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适用场景

ONTAP 9
NFSv4
Kerberos

问题描述

在使用的NFSv4挂载上 sec=krb5，挂载失败access denied by server while mounting nfs-svm.example.com:/nfs_krb5_mnt
使用 sec=sys 成功挂载NFSv4。
ONTAP 报告此问题、如下所示：

Cluster1::> event log show -node node1 -message-name secd*
 Time         Node        Severity    Event
 ------------------- ---------------- ------------- ---------------------------
 5/9/2021 14:09:51   node1       ERROR     secd.nfsAuth.problem: vserver (svm01) General NFS authorization problem. Error: RPC accept GSS token procedure failed
   [  0 ms] Using the NFS service credential for logical interface 1030 (SPN='nfs/xxxxxxxxx') from cache.
 **[    1] FAILURE: Failed to accept the context: Unspecified GSS failure.  Minor code may provide more information (minor: Encryption type ArcFour with HMAC/md5 not permitted).