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Node panic during MB reseat of the Partner

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Category:
ontap-9
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HW
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Applies to

  • AFF C800
  • ONTAP 9

Issue

  • Node Panic during Motherboard reseat of the Partner
  • Node start losing access to disks during the reseat of the partner, ems-log reports
Node-01: kernel: nvme.link.error:error]: PCIe link initialization error for NVMe SSD in slot X
Node-01: kernel: nvme.link.error:error]: PCIe link initialization error for NVMe SSD in slot X
Node-01: kernel: nvme.link.error:error]: PCIe link initialization error for NVMe SSD in slot X
Node-01: kernel: nvme.link.error:error]: PCIe link initialization error for NVMe SSD in slot X
Node-01: kernel: nvme.link.error:error]: PCIe link initialization error for NVMe SSD in slot X
Node-01: kernel: nvme.link.error:error]: PCIe link initialization error for NVMe SSD in slot X
Node-01: scsi_cmdblk_strthr_admin: disk.timeout.flush.start:debug]: Aggressive timeout flush started on disk 0n.X
  • Panic String reports
Node-01: splog_main: mgr.stack.string:notice]: Panic string: aggr Node-01_n2_root: raid volfsm, fatal multi-disk error..  Raid type - raid_dp Group name plex0/rg0 state NORMAL. 6 disks failed in the group. Disk 0
Node-01: splog_main: mgr.stack.at:notice]: Panic occurred at: Fri Feb  7 09:28:24  2025
Node-01: splog_main: mgr.stack.proc:notice]: Panic in process: config_thread
 
  • Issue occurs with both Nodes during the reseat of the Partner 
  • Motherboard reseat of the panicked Node required to recover the disappeared disks

 

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