メインコンテンツへスキップ

rootの引き下げが原因で、rootユーザがNTFSボリュームへのアクセスを拒否される

Views:
24
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
nas<a>2009630334</a>
Last Updated:

環境

  • ONTAP 9
  • NFSv3

問題

  • NFSv3クライアントのrootユーザはNTFSボリュームをマウントできるが、 permission denied ボリュームにはアクセスできる
[root@cliet1 ~]# cd /mnt/ontap_share -bash: cd: /mnt/ontap_share: Permission denied
  • rootユーザに適切なネームマッピングが設定されている
  • エクスポートポリシールールでSuperuserセキュリティタイプがnoneに設定されている
::> export-policy rule show -vserver svm1 -clientmatch nfsclient1 -fields vserver,ruleindex,clientmatch,superuser,protocol,policyname,anon
vserver       policyname  ruleindex protocol clientmatch      anon  superuser
------------------ ----------- --------- -------- ------------------------- ----- ---------
svm1         policy1   20     nfs    nfsclient1.ntap.local 65534 none
 
  • Security trace access denied 匿名ユーザに対して表示されます。これは、rootユーザがUID 65534の匿名ユーザに引き下げられたことを示します。
Node       Index Filter Details       Reason
--------------- ----- -------------------------- ----------------------------------------------------------------
node1      1   Security Style: NTFS and  Access is denied because the UNIX user could not be                       NT ACL                     mapped to a valid NT user while reading the user's access rights                                                  on an object.
            Protocol: nfs
            Volume: vol1
            Share: -
            Path: /data/
            Win-User: -
           UNIX-User: 65534
            Session-ID: -

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.