NetWorker:Windows 客户端 BBB 还原失败 “An existing connection was forced closed by the remote host”
Summary: NetWorker 19.9 Windows 客户端基于数据块的备份 (BBB) 还原失败,出现错误:“nsriscsi:无法获取 ISCSI 标头。远程主机强行关闭了现有连接”。
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Symptoms
NetWorker 19.9 Windows 客户端基于数据块的备份 (BBB) 已成功完成,但 BBB 还原失败,并显示错误:
nsriscsi: unable to get ISCSI Header An existing connection was forcibly closed by the remote host.Cause
Windows ISCSI 超时导致 NetWorker BBB 还原失败。
Resolution
在 Windows 注册表中:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E97B-E325-11CE-BFC1-08002BE10318}\Microsoft iSCSI Initiator\Parameters]
将以下参数从默认值增加到最大值:
FirstBurstLength:默认值为 65536 (64 KB);增加至 262144 (256 KB)
MaxBurstLength:默认值为 262144 (256 KB);增加到 327680 (320 KB)
MaxRequestHoldTime:默认值为 60 秒;增加到 90 秒。
MaxTransferLength:默认值为 262144 (256 KB);增加到 327680 (320 KB)
增加 windows iSCSI 参数后,Windows 客户端 BBB 还原成功完成。
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E97B-E325-11CE-BFC1-08002BE10318}\Microsoft iSCSI Initiator\Parameters]
将以下参数从默认值增加到最大值:
FirstBurstLength:默认值为 65536 (64 KB);增加至 262144 (256 KB)
MaxBurstLength:默认值为 262144 (256 KB);增加到 327680 (320 KB)
MaxRequestHoldTime:默认值为 60 秒;增加到 90 秒。
MaxTransferLength:默认值为 262144 (256 KB);增加到 327680 (320 KB)
增加 windows iSCSI 参数后,Windows 客户端 BBB 还原成功完成。
Affected Products
NetWorkerProducts
NetWorker FamilyArticle Properties
Article Number: 000223519
Article Type: Solution
Last Modified: 20 مايو 2026
Version: 3
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