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为什么 AFF 或 ASA 存储配置显示为单路径 HA

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适用场景

  • AFF A800、AFF C800、ASA A800、ASA C800
  • AFF A250、AFF C250、ASA A250、ASA C250、FAS500
  • AFF A20、AFF C30
  • 仅限内部的 NVMe 存储驱动器,
  • 无外部搁架

问题解答

  • 安装了仅限内部使用的 NVMe 固态硬盘 (SSD) 的 AFF 或 ASA 存储系统将在 sysconfig nodeshell CLI 输出中显示其系统存储配置的单路径 HA
NetApp Release 9.7P4: Fri May 22 20:45:51 EDT 2020 System ID: 0123456789 (aff-a800-01); partner ID: 0123456780 (aff-a800-02) System Serial Number: 952016123456 (aff-a800-01) System Rev: C3 System Storage Configuration: Single-Path HA System ACP Connectivity: Inband Active SAS2/SAS3 Mixed Stack Support: all All-Flash Optimized: true Capacity Optimized: false All SAN Array: false Backplane Part Number: 1A21RNK00+A0 Backplane Serial Number: SHFGB00000000 . . slot 0: Virtual NVMe Host Adapter 0n 0 : NETAPP X4014S173315TNTE NA50 14651.0GB 4160B/sect (S60SNE0N502096) 1 : NETAPP X4014S173315TNTE NA50 14651.0GB 4160B/sect (S60SNE0N502044) 2 : NETAPP X4014S173315TNTE NA50 14651.0GB 4160B/sect (S60SNE0N502050) . . 45 : NETAPP X4014S173315TNTE NA50 14651.0GB 4160B/sect (S60SNE0N502046) 46 : NETAPP X4014S173315TNTE NA50 14651.0GB 4160B/sect (S60SNE0N502043) 47 : NETAPP X4014S173315TNTE NA50 14651.0GB 4160B/sect (S60SNE0N502045) Shelf 0: FS4483PSM3E Firmware rev. PSM3E A: 0120 PSM3E B: 0120
  • 单路径 HA 是预期且正常的
    • 机箱中的每个控制器都与安装在系统内部架子上的每个 NVMe SSD 有一个基于 PCIe 的直接连接。 
      • A控制器使用"A"路径、B控制器使用"B"路径
    • 这些内部连接的主机总线适配器 (HBA) 端口是虚拟的,即

      Virtual NVMe Host Adapter 0n

  • 如果将外部存储架添加到系统中,并且外部存储架正确连接,则系统存储配置应显示为多路径 HA

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