VMware ESXi：esxcli 命令失敗，錯誤訊息「error： device naa.<wwn> unknown」
Summary:
VMware ESXi：esxcli 命令失敗，並顯示「error： device naa. 未知”
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Symptoms
嘗試根據 Dell 最佳實務將 IOPS 值調整為 1 而非 1000 （預設值） 時收到錯誤。
錯誤訊息 （適用於 ESXi 5.x/6.x）：
#esxcli storage nmp psp roundrobin deviceconfig get --device=naa.<wwn> Byte Limit: 10485760 Device: naa.<wwn> IO Operation Limit: 1000 Limit Type: Default Use Active Unoptimized Paths: false #esxcli storage nmp psp roundrobin deviceconfig set --device=naa.<wwn> --iops=1 --type iops error: device naa.<wwn> unknown.
Cause
N/A
Resolution
因應措施：
請嘗試使用相同的命令，但語法不同：
#esxcli storage nmp psp roundrobin deviceconfig set type=iops iops 1 device naa.<wwn>
這正確執行 （沒有輸出）
裝置「naa.<wwn>」現已設定為循環制，IOPS=1 為建議：
#esxcli storage nmp psp roundrobin deviceconfig get --device=naa.<wwn> Byte Limit: 10485760 <wwn> IO Operation Limit: 1 Limit Type: Iops Use Active Unoptimized Paths: false
Affected Products
SymmetrixProducts
Symmetrix, Symmetrix DMX Series, VMAXArticle Properties
Article Number: 000052272
Article Type: Solution
Last Modified: 12 Nov 2025
Version: 4
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