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MetroCluster Flexarray fails to see disks After Motherboard Replacement

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metrocluster
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hw
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Applies to

  • ONTAP 9
  • MetroCluster Fabric-Attached (MCC-FC) environments
  • FlexArray

Issue

  • After replacing the motherboard on a MetroCluster node, the node could not see any disks—neither local nor partner disks—resulting in the following symptoms: “Normal giveback not possible: partner missing filesystem disks”
  • Node stuck in initializing/waiting-for-giveback state
  • Partner node reports:
    Normal giveback not possible: partner missing filesystem disks
  • Disk show -v output returns 0 disks

       *> disk show -v
             Local System ID: 12345678
             disk show: No disks attached to system.

  • Maintenance mode: sysconfig -v output for FC initiator ports (0e/0f) shows:
    slot 0: FC Host Adapter 0e (QLogic 8324 rev. 2, N-port, <UP>)
                    Firmware rev:      8.9.1
                    Flash rev:         5.0.2
                    Host Port Id:      0x12300
                    FC Node Name:      5:00a:01200b:345cd6
                    FC Port Name:      5:00a:01234a:567bc8
                    SFP Vendor:        AVAGO
                    SFP Part Number:   AFBR-XXX-NA1
                    SFP Serial Number: AC1XXXXXY
                    SFP Capabilities:  4, 8 or 16 Gbit
                    Link Data Rate:    16 Gbit
                    Switch Port:       ??
    slot 0: FC Host Adapter 0f (QLogic 8324 rev. 2, N-port, <UP>)
                    Firmware rev:      8.9.1
                    Flash rev:         5.0.2
                    Host Port Id:      0x12300
                    FC Node Name:      5:00a:12345a:123bc4
                    FC Port Name:      5:00a:12332a:123bc4
                    SFP Vendor:        AVAGO
                    SFP Part Number:   AFBR-XXXMZ-NA1
                    SFP Serial Number: AC19XXXXXX
                    SFP Capabilities:  4, 8 or 16 Gbit
                    Link Data Rate:    16 Gbit
                    Switch Port:       ??

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