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Concurrent backups fail in SnapCenter Plug-in for UNIX file systems

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Applies to

  • SnapCenter Server (Windows)
  • SnapCenter Plug-in for UNIX file systems
  • The same volume backed up from multiple SnapCenter resource groups

Issue

  • Windows Application event log on the SnapCenter Server host reports error:

Source: SnapDriveEventMsgs 
Event ID: 530
EventData: 
<VOLUME>
<SNAPSHOT>
SDAPI_SNAP_CREATE_FAILED
Backup failed on volumes '<VOLUME>' on SVM '<SVM>' 
 
 Consistency Group creation failed. Details:

  • SMCore_<JOB_ID>.log shows error:

DEBUG SMCore_<JOB_ID> PID=[3752] TID=[70] invoking command - Invoke-NcSystemApi - cg-start 
DEBUG SMCore_<JOB_ID> PID=[3752] TID=[70] ++PSHelper::RunCommand
DEBUG SMCore_<JOB_ID> PID=[3752] TID=[70] ++ConfigManager::GetConfigSettingMaxRetryFileExist
DEBUG SMCore_<JOB_ID> PID=[3752] TID=[70] INFO: Maximum retry file existence config setting not found.
DEBUG SMCore_<JOB_ID> PID=[3752] TID=[70] --ConfigManager::GetConfigSettingMaxRetryFileExist
DEBUG SMCore_<JOB_ID> PID=[3752] TID=[70] ++ConfigManager::GetConfigSettingRetryInterval
DEBUG SMCore_<JOB_ID> PID=[3752] TID=[70] INFO: Retry interval config setting not found.
DEBUG SMCore_<JOB_ID> PID=[3752] TID=[70] --ConfigManager::GetConfigSettingRetryInterval
DEBUG SMCore_<JOB_ID> PID=[3752] TID=[70] Command: Invoke-NcSystemApi. Storage System: <STORAGE_SYSTEM>. Version: <VERSION>. Connection Mode: ZAPI. Username: admin.
DEBUG SMCore_<JOB_ID> PID=[3752] TID=[70] ex.Message : The running command stopped because the preference variable "ErrorActionPreference" or common parameter is set to Stop: Operation failed: A volume is involved in another CG operation..

ERROR SMCore_<JOB_ID> PID=[3752] TID=[99]
Message    : Consistency Group creation failed. Details:
 
Source     : SnapDrive.Nsf.Core.Storage
StackTrace :    at SnapDrive.Nsf.Core.Storage.ConsistencyGroupBackupStrategy.cgStartConsistencyGroup(String storageSystem, String snapshotName, List`1 volumes, CreateBackupRequest request)
DEBUG SMCore_<JOB_ID> PID=[3752] TID=[99] --ConsistencyGroupBackupStrategy::cgStartConsistencyGroup
DEBUG SMCore_<JOB_ID> PID=[3752] TID=[99] No backups added to the response.
ERROR SMCore_<JOB_ID> PID=[3752] TID=[99] Backup failed on volumes '<VOLUME>' on SVM '<SVM>'
 
 Consistency Group creation failed. Details:

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