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ネットグループを使用していて、DNSリバースルックアップで複数のホスト名が返されると、NFS共有のマウントが失敗します

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Category:
ontap-9
Specialty:
nas<a>2009555827</a>
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環境

  • ONTAP
  • NFS

問題

  • ネットグループの使用時にNFS共有のマウントが失敗し、複数のホスト名が返されたためにリバースルックアップが失敗します
  • MGWDログにリバースルックアップのエラーが含まれています。
 
0x837290200: 0: ERR: LIBCWRAPPER::utils: getHostAliasesForNetgrp:src/utils/utils.cc:102 VSID: 3. Reverse lookup for XX.XX.XXX.XX returned more than one hostname
0x837290200: 0: ERR: LIBCWRAPPER::utils: getHostAliasesForNetgrp:src/utils/utils.cc:102 VSID: 3. Reverse lookup for XX.XX.XXX.XX returned more than one hostname
 
  • client does not belong to netgroupホストがメンバーである場合でも、でMGWDエクスポートチェックが失敗します。     
 
oo----------------------------------------------------------------------------oo
|      RPC mgwd_export_check started at Thu Apr 27 01:20:21 2023      |
|            Vserver ID: 3, TID: 35285172736             |
|           IP=XX.XX.XXX.XX, policy=XXXXXXXXXXX            |
|o----------------------------------------------------------------------------oo
| [0.0.0]  info :  Netgroup Membership check for netgroup = hosts1  { in NetgroupMembershipCheck() at src/mgmtgwd/nfs/mgwd_netgroups.cc:3234 }
| [0.8.634]  ERR  : netgrp_check API found that client does not belong to netgroup in source: 1  { in NetgroupMembershipCheck() at src/mgmtgwd/nfs/mgwd_netgroups.cc:3317 }
| [0.8.765]  info :  Netgroup Membership check for netgroup = hosts2  { in NetgroupMembershipCheck() at src/mgmtgwd/nfs/mgwd_netgroups.cc:3234 }
| [0.12.421]  ERR  : netgrp_check API found that client does not belong to netgroup in source: 1  { in NetgroupMembershipCheck() at src/mgmtgwd/nfs/mgwd_netgroups.cc:3317 }
| [0.12.617]  info :  Authoritatively returning zero rules: CliAddr=XX.XX.XXX.XX, vsid=3, rulesetid=XXXXXXXXXXX, isRefresh=true, ruleCount=0, Result=0(no error)  { in mgwd_export_check_1_svc() at src/mgmtgwd/nfs/mgwd_exports.cc:1886 }
|o----------------------------------------------------------------------------oo
|      RPC mgwd_export_check failed at Thu Apr 27 01:20:21 2023      |
|            Vserver ID: 3, TID: 35285172736             |
|       Line=3317, IP=XX.XX.XXX.XX, policy=XXXXXXXXXXX, rule=5       |
oo----------------------------------------------------------------------------oo

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