当克隆分摊负载超过最大值时， SMHV 备份失败

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适用于

SnapManager for Hyper-V （ SMHV ）
SnapDrive

问题

SMHV 应用程序一致模式备份失败，备份报告中显示以下错误：

示例：

Error:Vss Requestor-Backup Components failed. The shadow copy provider timed out while flushing data to the volume being shadow copied.This is probably due to excessive activity on the volume. Try again later when the volumeis not being used so heavily.

当 SnapDrive 无法创建 LUN 克隆时， SMHV 服务器应用程序事件日志会弹出以下错误：

示例：

Failed to create a consistent Snapshot copy({1c55fd0b-87b2-41ee-9008-35d0909e36ec}) of the LUN(s) [\?\Volume{287ae75e-00b2-4aa3-b7ae-852aca3fa355}\ ].Error code:Failed to create LUN clone since storage system 'SAN-FCP' is experiencing high load.

可以从 AutoSupport 审计 -mlog 日志中发现以下错误：

示例：

0000001c.017ef16e 41de4afb Wed Jul 01 2020 15:47:00 +08:00 [kern_audit:info:1648] 8503e80002dcf6f8 :: FAS8020:ontapi :: 172.31.40.2:61783 ::SAN-FCP:vsadmin :: <netapp nmsdk_language="C" nmsdk_platform="Windows Server 2012 R2 Datacenter AMD64" version="1.0" xmlns="http://www.netapp.com/filer/admin" nmsdk_version="5.4"><clone-token-create><node>FAS8020-01</node><reserve-size>52776587902976</reserve-size></clone-token-create></netapp> :: Pending

0000001c.017ef16f 41de4afb Wed Jul 01 2020 15:47:00 +08:00 [kern_audit:info:1648] 8503e80002dcf6f8 :: YCM-FAS8020: ontapi :: 172.31.40.2:61783 ::SAN-FCP:vsadmin ::Failed to create token for node "FAS8020-01". Reason:Reached maximum split load allowed on the node. :: ONTAPI :: Error