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CONTAP-492512: Node reboot during NS224 shelf firmware upgrade

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Issue

  • After upgrading NSM100 firmware, a module may reboot into the new firmware without paths to disks.
  • Storage port will be up, but no disks seen:
    slot 4: Dual 40G/100G Ethernet Controller CX5
    e4a MAC Address: 01:23:45:67:89:01 (auto-100g_sr4-fd-up)
    QSFP Vendor: AVAGO
    QSFP Part Number: xxxx-xxxxxxxx
    QSFP Serial Number: xxxxxxxxxxxxx

  • DIMM error on the NSM100 may be seen:
    [Node1: dsa_worker3: ses.status.dimm.error:error]: NS224NSM100 (S/N SHxxxxxxxxx) shelf 10 on channel 0x DIMM failure for Dimm Element 4: not installed or failed. This element is on the DIMM slot 4 in the top shelf module (A).

  • If the first module upgraded hits the issue, one or both nodes may reboot unexpectedly when the second module is upgraded:
    [Node1: fmmbx_instanceWorker: cf.multidisk.fatalProblem:error]: Node encountered a multidisk error or other fatal error while waiting to be taken over. Permanent errors on all HA mailbox disks (while marshalling header).


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