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FlexCache ボリュームのジャンクションパスをマウントしようとすると、NFSサーバがハングします

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Category:
ontap-9
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nas
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環境

  • ONTAP 9
  • NFS
  • FlexCache

問題

FlexCache ボリュームまたはqtreeのジャンクションパスをマウントしようとすると、サーバがハングしてマウントに失敗します。 
親パスのマウント後にFlexCache ボリュームのリスト表示またはトラバースした場合も、同じ動作になります。     

EMSには次のログが表示されます。 

Wed Dec 30 14:08:33 +0200 [Node01: nblade2: ems.engine.suppressed:debug]: Event 'Nblade.JunctionRootLookup2' suppressed 18211 times in last 121 seconds.
Wed Dec 30 14:08:33 +0200 [Node-01: nblade2: Nblade.JunctionRootLookup2:error]: Junction root lookup of a volume in Vserver 100 with MSID 12345678 has failed for reason "SPINNP(3010)".

右記の 

Wed Dec 30 14:06:48 +0200 [mtrlabfs-01: kernel: Nblade.dBladeNoResponse.NFS:error]: File operation timed out because there was no response from the data-serving node.

 

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