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SM-BCデスティネーションクラスタLUNがLinuxホストに接続されていない

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環境

  • ONTAP 9
  • SnapMirrorビジネス継続性(SM-BC)
  • Linux Unified Host Utilities(Luhu)
  • iSCSI
  • CentOS 7

問題

  • SM-BCデスティネーションLUNがONTAPの正しいigroupにマッピングされている。
  • multipath -ll は、ホストで想定されるパスの半分(この例では4/8)を示しています。

3600a0980774f6a34495d544d47387373 dm-2 NETAPP  ,LUN C-Mode
size=10G features='4 queue_if_no_path pg_init_retries 50 retain_attached_hw_handle' hwhandler='1 alua' wp=rw
|-+- policy='service-time 0' prio=50 status=active
| |- 33:0:0:10 sdb 8:16 active ready running
| `- 39:0:0:10 sdd 8:48 active ready running
`-+- policy='service-time 0' prio=10 status=enabled
  |- 38:0:0:10 sdc 8:32 active ready running
  `- 40:0:0:10 sde 8:64 active ready running

  • Luhuは、 sanlun lun show -p  ソースクラスタのLIFへのパスのみを表示します。

           ONTAP Path: svm_linux:/vol/centos1/centos1_1
              LUN: 10
            LUN Size: 10g
            Product: cDOT
          Host Device: 3600a0980774f6a34495d544d47387373
        Multipath Policy: service-time 0
       Multipath Provider: Native
--------- ---------- ------- ------------ ----------------------------------------------
host    vserver
path    path     /dev/   host      vserver
state    type     node   adapter    LIF
--------- ---------- ------- ------------ ----------------------------------------------
up     primary   sdb    host33     lif_svm_linux_1
up     primary   sdd    host39     lif_svm_linux_2
up     secondary  sdc    host38     lif_svm_linux_4
up     secondary  sde    host40     lif_svm_linux_3

  • ISCSI-SESSION-BRIEF.XMLまたは vserver iscsi session show、デスティネーションクラスタ上のホストからのiSCSIセッションはありません。

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