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NetWorker vProxy：备份无法初始化 Block Reader。无法打开源 VMDK

Summary: NetWorker VMware Protection (NVP) 集成已通过 vProxy 设备进行配置。在进行备份时，vProxy 无法使用 hotadd 传输模式打开虚拟机的源 VMDK。

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Symptoms

NetWorker VMware Protection (NVP) 集成已通过 vProxy 设备进行配置。虚拟机 (VM) 备份间歇性地无法使用 hotadd 传输来打开虚拟机的源 VMDK。计划的 VMware 保护工作流执行将在每次执行期间影响不同的虚拟机。

vProxy 备份会话日志显示： 
YYYY-MM-DDTHH:MM:SS INFO:   [@(#) Build number: 66] Data Mover: Hard disk 1: Preparing for data movement.
YYYY-MM-DDTHH:MM:SS ERROR:  [@(#) Build number: 66] Data Mover: Hard disk 1: VDDK: Failed to open source VMDK "[Datastore] VM_name/VM_name-000002.vmdk": VDDK Error: 13: You do not have access rights to this file.
YYYY-MM-DDTHH:MM:SS ERROR:  [@(#) Build number: 66] Data Mover: Hard disk 1: Failed to initialize Block Reader.
YYYY-MM-DDTHH:MM:SS INFO:   [@(#) Build number: 66] Data Mover: Hard disk 1: Cleaned up after data movement.
YYYY-MM-DDTHH:MM:SS INFO:   [@(#) Build number: 66] Data Mover: Hard disk 3: Preparing for data movement.
YYYY-MM-DDTHH:MM:SS ERROR:  [@(#) Build number: 66] Failed to backup virtual disk "Hard disk 1".
YYYY-MM-DDTHH:MM:SS ERROR:  [@(#) Build number: 66] Data Mover: Hard disk 3: VDDK: Failed to open source VMDK "[Datastore] sVM_name/VM_name_2-000002.vmdk": VDDK Error: 13: You do not have access rights to this file.
YYYY-MM-DDTHH:MM:SS ERROR:  [@(#) Build number: 66] Data Mover: Hard disk 3: Failed to initialize Block Reader.
YYYY-MM-DDTHH:MM:SS INFO:   [@(#) Build number: 66] Data Mover: Hard disk 3: Cleaned up after data movement.
YYYY-MM-DDTHH:MM:SS ERROR:  [@(#) Build number: 66] Failed to backup virtual disk "Hard disk 3".

/opt/emc/vproxy/runtime/logs/vbackupd/vbackupd-vddk.log显示：

YYYY-MM-DDTHH:MM:SS NOTICE: VDDK INFO VixDiskLib: VixDiskLib_OpenEx: Open a disk.
YYYY-MM-DDTHH:MM:SS NOTICE: VDDK INFO YYYY-MM-DDTHH:MM:SS error -[21154] [Originator@6876 sub=transport] Mounting 42229cff-3484-fb68-ed83-674d7a152728 using transport hotadd failed : .
YYYY-MM-DDTHH:MM:SS NOTICE: VDDK INFO YYYY-MM-DDTHH:MM:SS error -[21154] [Originator@6876 sub=transport] Cannot use mode hotadd to access [Datastore] VM_name/VM_name_2-000002.vmdk: Cannot mount using this method. (Mounting 42229cff-3484-fb68-ed83-674d7a152728 using transport hotadd failed : .)
YYYY-MM-DDTHH:MM:SS NOTICE: VDDK INFO VixDiskLib: Unable to locate appropriate transport mode to open disk. Error 13 (You do not have access rights to this file) (Mounting 42229cff-3484-fb68-ed83-674d7a152728 using transport hotadd failed : .) at 5294.
YYYY-MM-DDTHH:MM:SS NOTICE: VDDK INFO VixDiskLib: VixDiskLib_OpenEx: Cannot open disk [Datastore] VM_name/VM_name_2-000002.vmdk. Error 13 (You do not have access rights to this file) (Mounting 42229cff-3484-fb68-ed83-674d7a152728 using transport hotadd failed : .) at 5434.
YYYY-MM-DDTHH:MM:SS NOTICE: VDDK INFO VixDiskLib: VixDiskLib_Open: Cannot open disk [Datastore] VM_name/VM_name_2-000002.vmdk. Error 13 (You do not have access rights to this file) at 5478.YYYY-MM-DDTHH:MM:SS INFO:   [@(#) Build number: 66] Data Mover: Hard disk 1: Preparing for data movement.
YYYY-MM-DDTHH:MM:SS ERROR:  [@(#) Build number: 66] Data Mover: Hard disk 1: VDDK: Failed to open source VMDK "[Datastore] VM_name/VM_name-000002.vmdk": VDDK Error: 13: You do not have access rights to this file.
YYYY-MM-DDTHH:MM:SS ERROR:  [@(#) Build number: 66] Data Mover: Hard disk 1: Failed to initialize Block Reader.
YYYY-MM-DDTHH:MM:SS INFO:   [@(#) Build number: 66] Data Mover: Hard disk 1: Cleaned up after data movement.
YYYY-MM-DDTHH:MM:SS INFO:   [@(#) Build number: 66] Data Mover: Hard disk 3: Preparing for data movement.
YYYY-MM-DDTHH:MM:SS ERROR:  [@(#) Build number: 66] Failed to backup virtual disk "Hard disk 1".
YYYY-MM-DDTHH:MM:SS ERROR:  [@(#) Build number: 66] Data Mover: Hard disk 3: VDDK: Failed to open source VMDK "[Datastore] sVM_name/VM_name_2-000002.vmdk": VDDK Error: 13: You do not have access rights to this file.
YYYY-MM-DDTHH:MM:SS ERROR:  [@(#) Build number: 66] Data Mover: Hard disk 3: Failed to initialize Block Reader.
YYYY-MM-DDTHH:MM:SS INFO:   [@(#) Build number: 66] Data Mover: Hard disk 3: Cleaned up after data movement.
YYYY-MM-DDTHH:MM:SS ERROR:  [@(#) Build number: 66] Failed to backup virtual disk "Hard disk 3".

在 vCenter 上运行 100 个虚拟机备份会话，其他虚拟机可能会显示为排队状态。

Cause

在计划的 VMware 保护工作流执行期间并发的 hotadd 会话过多。  Dell EMC NetWorker VMware 集成指南中的“性能和可扩展性”部分建议，每台 vCenter Server 的并发备份会话数不超过 100 个。

Resolution

通过移除 vProxies 或更改每个 vProxy 的可用 hotadd 会话，减少在计划的 VMware 保护工作流执行期间并发 hotadd 会话的数量。

Products

NetWorker
Article Properties
Article Number: 000174390
Article Type: Solution
Last Modified: 15 Nov 2023
Version:  4
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