适用于VMware的SnapCenter插件错误：具有此名称的Snapshot已存在

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适用场景

适用于VMware vSphere的SnapCenter插件 (SCV)

问题描述

选择控制阀备份作业失败并显示错误：

Snapshot operation failed [Storage System: <SVM>]Snapshot operation failed for some of the volumes [Storage System: <SVM>] [Volume:<VOLUME>] Error: Snapshot copy operation failed for volume <VOLUME>. Reason: Error: A Snapshot copy with that name already exists. Failed in volume '<VOLUME>', Snapshot copy operation failed for volume <VOLUME>. Reason: Error: A Snapshot copy with that name already exists.

Job-<JOB_ID>.log 显示
- 由于超时、运行命令New-NcSnapshotMulti 失败
  [DBG] Running Command New-NcSnapshotMulti controller name : <IP>, vserver : <SVM>
  
  [ERR] Failed to run a command New-NcSnapshotMulti [DBG] ex.Message : Connection to <IP> on port 443 for protocol HTTPS timed out. [DBG] ex.InnerException.Message : Connection to <IP> on port 443 for protocol HTTPS timed out. [DBG] ex.InnerException.InnerException.Message : The operation has timed out.
- snapshot zapi error 13020 重试命令后出现错误"A Snapshot copy with that name already exists " New-NcSnapshotMulti
  
  [WRN] Retrying the command [DBG] Running Command New-NcSnapshotMulti controller name : <IP>, vserver : <SVM> [ERR] API exception [ERR] Failed to run a command New-NcSnapshotMulti [DBG] ex.Message : Connection to <IP> on port 443 for protocol HTTPS timed out. [DBG] ex.InnerException.Message : Connection to <IP> on port 443 for protocol HTTPS timed out. [DBG] ex.InnerException.InnerException.Message : The operation has timed out.
  
  [INF] Begin GetCreateSnapshotResult [DBG] Getting result for snapshot <BACKUP_SNAPSHOT_NAME> on storage volume <VOLUME> [ERR] snapshot operation-failed [DBG] snapshot zapi error 13020 [ERR] Snapshot copy operation failed for volume <VOLUME>. Reason: Error: A Snapshot copy with that name already exists. [INF] End GetCreateSnapshotResult
/etc/log/mlog/audit.log 表示SVM多次收到相同的snapshot-multicreate ZAPI、并具有相同的Snapshot名称和相同的卷列表

<SVM>:admin :: <netapp version='1.7' xmlns='http://www.netapp.com/filer/admin' vfiler='<SVM>'><snapshot-multicreate> <snapshot><BACKUP_SNAPSHOT_NAME></snapshot> <volume-names> <volume-name><VOLUME1></volume-name> <volume-name><VOLUME2></volume-name> <volume-name><VOLUME3></volume-name>.. <SVM>:admin :: <netapp version='1.7' xmlns='http://www.netapp.com/filer/admin' vfiler='<SVM>'><snapshot-multicreate> <snapshot><BACKUP_SNAPSHOT_NAME></snapshot> <volume-names> <volume-name><VOLUME1></volume-name> <volume-name><VOLUME2></volume-name> <volume-name><VOLUME3></volume-name>.. <SVM>:admin :: <netapp version='1.7' xmlns='http://www.netapp.com/filer/admin' vfiler='<SVM>'><snapshot-multicreate> <snapshot><BACKUP_SNAPSHOT_NAME></snapshot> <volume-names> <volume-name><VOLUME1></volume-name> <volume-name><VOLUME2></volume-name> <volume-name><VOLUME3></volume-name>..