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azure SQLMI - unable to backup the database.

  • September 20, 2024
  • 2 replies
  • 64 views

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Hi team,

Environment: Azure SQLMI is deployed on Azure. Commvault is deployed on an Azure VM within the same network as the SQLMI. A plan has been created to back up and restore.

Error while backing up - 

3196  5e4   09/19 12:08:55 24990 <SC:  22>  
3196  5e4   09/19 12:08:55 24990 <SC:  22> main(236): -Info--: ============= Starting Backup Job. Job Id [24990] =============
3196  5e4   09/19 12:08:55 24990 <SC:  22> main(238): -Info--: Command line: SQLBackup.exe BACKUP -j 24990 -a 2:22 -t 1 -d 10.1.0.4*jumpbox*8400 -data -jt 24990:4:4:0:0:29360 -idxma 10.1.0.4*jumpbox*8400 -cn jumpbox -vm Instance001  . "Focus Instance set to [Instance001]"
3196  5e4   09/19 12:08:55 24990 <SC:  22> CSQLCommon::getServerTypeForBackup(2744): -Debug-:  App ID [22] Commcell Id [2]
3196  5e4   09/19 12:08:55 24990 DBBase-SQL() - <SC:  22> dbmethods.cpp:1398, DB Layer will use [Exec] access by default. Use SetAdminAccess API for on demand Admin access.
3196  5e4   09/19 12:08:55 24990 Cvcl::init() - <SC:  22> CVCL: Running in FIPS Mode
3196  5e4   09/19 12:08:55 24990 DetectNativeClient() - <SC:  22> Found reg key [SOFTWARE\Microsoft\Microsoft SQL Server\SQLNCLI11]. Using driver [SQL Server Native Client 11.0].
3196  5e4   09/19 12:08:56 24990 <SC:  22> CSQLCommon::getServerTypeForBackup(2760): -Debug-: Server type : [Azure Managed DataBase Engine]
3196  5e4   09/19 12:08:56 24990 <SC:  22> main(259): -Info--: The server type of the SQL Instance is = Azure Managed DataBase Engine.
3196  5e4   09/19 12:08:56 24990 <SC:  22> CAzureSQLCommon::Initialize(3103): -Debug-: <COM> - Already initialized.
3196  5e4   09/19 12:08:56 24990 <SC:  22> CAzureSQLCommon::Initialize(3126): -Debug-: COM initialized successfully.
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(914): -Debug-: Checking registry key bEnableRBSJob to see if RBS needs to be enabled.
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(925): -Debug-: This is not a RBS JOB.
3196  5e4   09/19 12:08:57 24990 CSQLCommon::initializeBackup() - <SC:  22> Job Phase Number = [4] attempt Number = [4]
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(1002): -Debug-: Generic options [0].
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(1021): -Debug-: VDI Timeout retry count is [3].
3196  5e4   09/19 12:08:57 24990 JOBRESCACHEDIR: opened index cache [D:\Commvault\Data\iDataAgent\JobResults\CV_JobResults\2\0\24990]
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(1054): -Info--: Job Manager initialized.
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(1055): -Info--: Time taken to register Job with job manager = 0.098325
3196  1     09/19 12:08:57 24990  ManagedLogger::SetCLRThreadPoolMaxThreads - Setting CLR ThreadPool's maxWorkerThreads = [1000], maxIOThreads = [1000] PID = [3196], ProcessName = [SQLBackup].
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(1160): -Info--: Buffer Size is set to [2048]
3196  5e4   09/19 12:08:57 24990 TaskInterfaceDB::getOptions() - <SC:  22> Loading default options into memory
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(1171): -Debug-: BufferCount is set to [20].
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(1180): -Debug-: Block Size is set to [65536].
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(1189): -Debug-: Max transfer size [2097152].
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(1193): -Info--: Disable Log Consistency Check [No]
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(1342): -Warn--: skipping to get MSSQL authentication info from cloud [Azure Managed DataBase Engine] instance.
3196  5e4   09/19 12:08:57 24990 <SC:  22> CSQLCommon::initializeBackup(1515): -Debug-: Using Local System authentication.
3196  5e4   09/19 12:08:58 24990 <SC:  22> CAzureSQLCommon::setAzureADAccount(1823): -Debug-: Active Direcotry authentication credentials are not set for clientId [4].
3196  5e4   09/19 12:08:58 24990 <SC:  22> CSQLBackup::isJobInitiatedFromPlugin(13557): -Debug-: Job [is not] initiated from SQL Plugin.
3196  5e4   09/19 12:08:58 24990 <SC:  22> CSQLBackup::doAzureDBBackupMultiThread(2853): -Debug-: Cleaning up stale database(s) in Azure SQL.
3196  5e4   09/19 12:08:58 24990 CvNetworkPool::initNetworkPool() - <SC:  22> Creating the control thread
3196  244   09/19 12:08:58 24990 thNetworkControllerThread() - <SC:  22> Controller thread started
3196  5e4   09/19 12:08:58 24990 CSQLBackup::checkForUncommittedDbsByCollFileId() - <SC:  22> Collect file ID = [1], restart offset = [0]
3196  4180  09/19 12:08:59 24990 <SC:  22> N/w agents configured before/after firewall check = [2/2]. Firewalled = 0
3196  4180  09/19 12:08:59 24990 CPipelayer::InitiatePipeline Initiating SDT connection [000002451E91B920] from 10.1.0.4:8400(jumpbox) to 10.1.0.4:8400/8400(jumpbox)
3196  4180  09/19 12:08:59 24990 <SC:  22> CvFwClient::connectDirectly(): Connected to 10.1.0.4:8400/8400 using direct system connect
3196  4180  09/19 12:08:59 24990 SdtBase::cfgComp() - <SC:  22> LZO init retVal [0]. Spill buf size [2048] bytes
3196  4180  09/19 12:08:59 ##### <SC:  22> SDT max. CPU thread count is [3] based on reg. value [90%], Procsr count [4]
3196  4180  09/19 12:08:59 ##### <SC:  22> Max head thread count set to 16. CPU # = 4
3196  4180  09/19 12:08:59 24990 <SC:  22> CvFwClient::connectDirectly(): Connected to 10.1.0.4:8400/8400 using direct system connect
3196  4180  09/19 12:09:02 24990 <SC:  22> SqlDataTransferHandler::setupBackupPipeline(374): -Debug-: Time taken to setup pipeline to the media agent = 3.307117
3196  4180  09/19 12:09:02 24990 <SC:  22> CSQLBackup::runAzureDBBackupInThread(2194): -Debug-: Starting backup at collect file offset [0] for collect file [1].
3196  4180  09/19 12:09:02 24990 <SC:  22> CSQLBackup::runAzureDBBackupInThread(2217): -Debug-: starting backup of db = [ExampleDB]
3196  4180  09/19 12:09:02 24990 <SC:  22> CAzureSQLCommon::Initialize(3099): -Debug-: <COM> - initialized successfully.
3196  4180  09/19 12:09:02 24990 <SC:  22> CAzureSQLCommon::Initialize(3126): -Debug-: COM initialized successfully.
3196  4180  09/19 12:09:02 24990 <SC:  22> CAzureSQLCommon::setAzureADAccount(1823): -Debug-: Active Direcotry authentication credentials are not set for clientId [4].
3196  4180  09/19 12:09:02 24990 <SC:  22> CAzureSQLCommon::doAzureDBBackup(3415): -Error-: Do SQL DB Backup Failed with error [System.ArgumentNullException: Value cannot be null.

Parameter name: connectionString

   at Microsoft.WindowsAzure.Storage.CloudStorageAccount.Parse(String connectionString)

   at CvAzureSQL.CvAzureStorageAcct..ctor(String sConnectionString)

   at CvAzureSQL.AzureSQLRM.doSQLManagedDBBackup(String sFullServerName, String sDBName, String& sBackupFileName, String& sDBMetaInfo, String& sDBFilesInfo)

].
3196  4180  09/19 12:09:02 24990 <SC:  22> CSQLBackup::runAzureDBBackupInThread(2385): -Error-: Failed to backup database[ExampleDB].
3196  4180  09/19 12:09:06 24990 <SC:  22> SdtBase is being destroyed. RCId [270]
3196  4180  09/19 12:09:06 24990 <SC:  22> Name [Head], Start Delay [10.97 s], Avg [1.37 s], Procsng Time [147.70 us], Avg [18.46 us], Bytes [58.13 KB], Speed [384.38 MB/s], Samples [8] RCId [270]
3196  4180  09/19 12:09:06 24990 <SC:  22> Name [Head Compression], Start Delay [467.80 us], Avg [58.48 us], Procsng Time [165.20 us], Avg [20.65 us], Bytes [58.13 KB], Speed [343.66 MB/s], Samples [8] RCId [270]
3196  4180  09/19 12:09:06 24990 <SC:  22> Name [Head CRC32], Start Delay [1.20 us], Avg [150.00 ns], Procsng Time [2.01 ms], Avg [251.36 us], Bytes [58.15 KB], Speed [28.24 MB/s], Samples [8] RCId [270]
3196  4180  09/19 12:09:06 24990 <SC:  22> Name [Head Network], Start Delay [315.50 us], Avg [39.44 us], Procsng Time [564.50 us], Avg [70.56 us], Bytes [58.15 KB], Speed [100.59 MB/s], Samples [8] RCId [270]
3196  4180  09/19 12:09:06 ##### <SC:  22> SdtTailSrvPool::Rel: Resetting SrvPool as ref. count is 0.
3196  4180  09/19 12:09:06 24990 CSQLBackup::checkForUncommittedDbsByCollFileId() - <SC:  22> Collect file ID = [1], restart offset = [0]
3196  5e4   09/19 12:09:06 24990 <SC:  22> CSQLBackup::doAzureDBBackupMultiThread(3069): -Error-: Thread exited with error during backup for collect file [D:\Commvault\Data\iDataAgent\JobResults\CV_JobResults\2\0\24990\AzureSQLDBCollectFile_0] with error code [1].
3196  5e4   09/19 12:09:06 24990 <SC:  22> CSQLBackup::doAzureDBBackupMultiThread(3144): -Debug-: Cleaning up stale database(s) in Azure SQL after Azure backed up.
3196  5e4   09/19 12:09:06 24990 <SC:  22> BKP CALLED COMPLETE (PHASE Status::FAIL), 24990. Token [24990:4:4:0:0:29360]
3196  5e4   09/19 12:09:07 24990 JOBRESULTSTABLE(D:\Commvault\Data\iDataAgent\JobResults\CV_JobResults\2\0\24990\JobResults) removing copy 'D:\Commvault\Data\iDataAgent\JobResults\CV_JobResults\2\0\24990'
3196  5e4   09/19 12:09:08 ##### <SC:  22> DumpConnectionMap - handle count = 0, map count = 0
3196  5e4   09/19 12:09:08 24990 CvNetworkPool::~CvNetworkPool() - <SC:  22> Controller thread successfully stopped.

Please suggest a resolution for the error. Thank you in advance

2 replies

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  • Vaulter
  • 70 replies
  • September 20, 2024

hi @Aishwarya Upadhye 

as per traces 
********************

Error-: Do SQL DB Backup Failed with error [System.ArgumentNullException: Value cannot be null.

Parameter name: connectionString

   at Microsoft.WindowsAzure.Storage.CloudStorageAccount.Parse(String connectionString)

   at CvAzureSQL.CvAzureStorageAcct..ctor(String sConnectionString)

   at CvAzureSQL.AzureSQLRM.doSQLManagedDBBackup(String sFullServerName, String sDBName, String& sBackupFileName, String& sDBMetaInfo, String& sDBFilesInfo)

].

*****************

please verify the configuration as per reference below, to ensure “storage connection string” is configured under “SQL cloud configuration” section
https://documentation.commvault.com/2023e/essential/adding_azure_sql_managed_instance.html
 

 


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@Aishwarya Upadhye 

Please review doc sent above and also make sure you are fully up to date on patches.

If still having a failure open a case with support and can assist.

Thanks


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