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クライアントノードで NFS 共有をマウント時に 'mount.nfs:Input/Output error' エラー

Solution Verified - Updated -

Issue

  • クライアントノードで NFS 共有をマウント時に 'mount.nfs:Input/Output error' エラー

    mount.nfs:Input/Output error
    
  • /Var/log メッセージに以下のエラーが表示されます。

    Jan 18 15:33:06 ppsraa05 kernel: nfsacl: server 10.163.72.176 not responding, timed out
    Jan 18 15:35:18 ppsraa05 kernel: nfsacl: server 10.163.72.176 not responding, timed out
    Jan 18 15:37:03 ppsraa05 kernel: nfsacl: server 10.163.72.176 not responding, timed out
    Jan 18 15:39:21 ppsraa05 kernel: nfsacl: server 10.163.72.176 not responding, timed out
    Jan 18 15:41:36 ppsraa05 kernel: nfsacl: server 10.163.72.176 not responding, timed out
    Jan 18 15:44:36 ppsraa05 kernel: nfs: server 10.163.72.176 not responding, timed out
    Jan 18 15:55:25 ppsraa05 kernel: nfsacl: server 10.163.72.176 not responding, timed out
    
  • /var/log/messages にパケットを落とします。

    Mar  2 14:51:39 ppsraa02 kernel: ip_queue: full at 1024 entries, dropping packets(s).Dropped:691838
    Mar  2 14:51:39 ppsraa02 kernel: ip_queue: full at 1024 entries, dropping packets(s).Dropped:691839
    Mar  2 14:51:39 ppsraa02 kernel: ip_queue: full at 1024 entries, dropping packets(s).Dropped:691840
    

Environment

  • Red Hat Enterprise Linux

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