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PCIeリンク初期化エラーが原因でNVMeドライブが見つからない

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環境

  • AFF A250
  • AFF C800
  • 9.13.1P1

問題

  • PCIeリンク初期化エラーが原因で、ノードからすべての内蔵NVMeドライブへのアクセスが失われました
 [Node-02: kernel: nvme.link.error:error]: PCIe link initialization error for NVMe SSD in slot 7.
 [Node-02: kernel: nvme.link.error:error]: PCIe link initialization error for NVMe SSD in slot 14.
 [Node-02: kernel: nvme.link.error:error]: PCIe link initialization error for NVMe SSD in slot 20.
 [Node-02: kernel: nvme.link.error:error]: PCIe link initialization error for NVMe SSD in slot 12.
 
  • クラスタでMultiple disk missingアラートが報告される

 [Node-02: SKL cerror: pcie.stealth.errors:debug]: params: {'pcie_errors': 'IIO1: RPT(22,0,0): PLX PCIE 9797 switch on Controller, Br[9797](24,0,0): RcvErr(P0(1),P1(1),P2(1),P3(1)), Br[9797](24,4,0): RcvErr(P5(1),P6(1)), Br[9797](24,8,0): 
[Node-02: config_failed_disk: callhome.disks.missing:error]: Call home for MULTIPLE DISKS MISSING 

  • シェルフ0のディスクによって作成されたアグリゲートがオフラインになる 

Aggregate aggr1_Node_02 (online, raid_dp, mirror degraded, fast zeroed) (block checksums)
  Plex /aggr1_Node_02/plex0 (offline, failed, inactive, pool0)
   RAID group /aggr1_Node_02/plex0/rg0 (partial)

    RAID Disk Device    HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)   Phys (MB/blks)
    --------- ------    ------------- ---- ---- ---- ----- --------------   --------------
    dparity FAILED    N/A             883638/ -
    parity  FAILED    N/A             883638/ -
    data   FAILED    N/A             883638/ -
    data   FAILED    N/A             883638/ -
    data   FAILED    N/A             883638/ -
    data   FAILED    N/A             883638/ -
    data   FAILED    N/A             883638/ -
    data   FAILED    N/A             883638/ -
    data   FAILED    N/A             883638/ -
    data   FAILED    N/A             883638/ -
    data   FAILED    N/A             883638/ -
    Raid group is missing 11 disks.

Aggregate aggr0_Node_02 (online, raid_dp, mirror degraded, fast zeroed) (block checksums)
  Plex /aggr0_Node_02/plex0 (offline, failed, inactive, pool0)
   RAID group /aggr0_Node_02/plex0/rg0 (partial)

    RAID Disk Device    HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)   Phys (MB/blks)
    --------- ------    ------------- ---- ---- ---- ----- --------------   --------------
    dparity  FAILED    N/A             63849/ -
    parity  FAILED    N/A             63849/ -
    data    FAILED    N/A             63849/ -
    data    FAILED    N/A             63849/ -
    data    FAILED    N/A             63849/ -
    Raid group is missing 5 disks.

  • MetroCluster環境にいるため、パニック状態は発生しませんでした 

 

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