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クラスタLIFにpingを送信できないのはなぜですか?

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環境

ONTAP 9

回答

  • クラスタLIFにはプライベートIPアドレスが割り当てられ、クラスタ通信に使用されます。そのため、同じサブネット内のIPだけが相互にpingを実行できます。
  • pingコマンドの例:

::> net int show
  (network interface show)
            Logical    Status     Network            Current       Current Is
Vserver     Interface  Admin/Oper Address/Mask       Node          Port    Home
----------- ---------- ---------- ------------------ ------------- ------- ----
Cluster
            fas2552-rtp-4a_clus1
                         up/up    169.254.xxx.101/16 fas2552-rtp-4a
                                                                   e0e     true
            fas2552-rtp-4b_clus2
                         up/up    169.254.xxx.103/16 fas2552-rtp-4b
                                                                   e0e     true
          cluster_mgmt                                         
                         up/up    10.xx.xx.20/24 fas2552-rtp-4b

::> ping 169.254.xxx.103 -node fas2552-rtp-4a -vserver Cluster -verbose -show-detail
PING 169.254.xxx.103 (169.254.xxx.103) from 169.254.xxx.101: 56 data bytes
...

--- 169.254.xxx.103 ping statistics ---
20 packets transmitted, 20 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.037/0.050/0.068/0.007 ms

::> ping 169.254.xxx.103 -node fas2552-rtp-4a -verbose -show-detail
PING 169.254.xxx.101 (169.254.xxx.101) from 10.xx.xx.20: 56 data bytes
36 bytes from 4.26.4.1: Destination Net Unreachable

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