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自動マウントを使用しているときにマウントがハングする

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89
Visibility:
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Votes:
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Category:
ontap-9
Specialty:
nfs<a>2009176592</a>
Last Updated:

環境

  • ONTAP 9
  • NFS
  • マルチプロトコル

問題

  • マウントは'クライアント上で自動マウントを使用しているときにハング状態になります
  • 「No route to host」というメッセージが表示されてDNSチェックが失敗する
    ::> dns check -vserver svm1
                    Name Server
    Vserver     Name Server    Status     Status Details
    ------------- --------------- ------------ --------------------------
    svm1      10.yy.xx.5    down     No route to host.
    svm1      10.xx.xx.228   down     No route to host.
    svm1      10.xx.xx.236   down      No route to host.
    3 entries were displayed.
  • LDAPチェックでステータスが「down」と表示され、詳細な「DNS解決に失敗しました」
    ::> ldap check -vserver svm1 
              Vserver: svm1
    Client Configuration Name: qed-ldap
            LDAP Status: down
        LDAP Status Details: DNS resolution failed for all the hostnames specified with "-ldap-servers", Vserver: "svm1".
      LDAP DN Status Details: DNS resolution failed for all the hostnames specified with "-ldap-servers", Vserver: "svm1".
  • ソースLIF 10.ss xx.xxを使用したLDAPおよびDNSへのEMSログの表示接続が「No route to host」で失敗する 
    svm1-12      ERROR      secd.nfsAuth.noUnixCreds: Vserver "svm1" cannot determine UNIX identity. Error: Acquire UNIX extended credentials procedure failed
      [  1 ms] Entry for user-id: 90565 not found in the current source: FILES. Ignoring and trying next available source
      [    2] No servers available for LDAP_NIS_AND_NAME_MAPPING, vserver: 9, domain: .
      [    3] Failed to connect to 10.xx.xx.228 for DNS via Source Address 10.ss.xx.xx: No route to host
      [    3] Failed to connect to 10.xx.xx.236 for DNS via Source Address 10.ss.xx.xx: No route to host
      [    3] Failed to connect to 10.yy.xx.5 for DNS via Source Address 10.ss.xx.xx: No route to host
      [    3] Entry for host-name: QED-LDAP-FILER-WDC-VIP.netapp.com not found in any of the available sources
      [    3] Hostname found in Name Service Cache
      [    3] Refreshing cached entry failed. Using expired cache entry.
      [    3] Resolved LDAP servers: 10.ss.xx.22 Vserver: 9
      [    4] TCP connection to ip 10.ss.xx.22, port 389 via interface 10.ss.xx.xx failed: No route to host.
      [    4] Unable to start TLS: Can't contact LDAP server
      [    4] Unable to connect to LDAP (NIS & Name Mapping) service on qed-ldap-filer-wdc-vip.netapp.com
      [    4] No servers available for LDAP_NIS_AND_NAME_MAPPING, vserver: 9, domain: .
    **[    4] FAILURE: Unable to make a connection (LDAP (NIS & Name Mapping):), result: 6940
      [    4] Source: LDAP unavailable. Entry for user-id:90565 not found in any of the available sources
      [    4] Unable to retrieve credentials for UNIX user with UID 90565   

    svm1-12      ERROR      secd.nfsAuth.problem: vserver (svm1) General NFS authorization problem. Error: Get user credentials procedure failed
      [  0 ms] Determined UNIX id 65534 is UNIX user 'pcuser'
      [    0] Mapping Successful for Unix-user 'pcuser' to Windows user '*\pcuser' at position 2
      [    0] Wildcard domain mapping
      [    6] Failed to connect to 10.xx.xx.228 for DNS via Source Address 10.ss.xx.xx: No route to host
      [    6] Failed to connect to 10.xx.xx.236 for DNS via Source Address 10.ss.xx.xx: No route to host
      [    6] Failed to connect to 10.yy.xx.5 for DNS via Source Address 10.ss.xx.xx: No route to host
    **[    6] FAILURE: Unable to contact DNS to discover domain controllers.
      [    6] Unable to make a connection (LSA:NA.NETAPP.COM), result: 6812  

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