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3778638 - HANA data backups not receiving configured backint parallel channels due to nameserver override

Symptom

  • Commvault parameter "parallel data backup backint channels" is set to 20 
  • HANA nameserver trace indicates the parallel_data_backup_backint_channels value is updated to 20 first, and then changed to 4:

SQLSessionCmd    Statement.cc(06082) : INI configuration is changed by xxx, query=ALTER SYSTEM ALTER CONFIGURATION ('global.ini', 'DATABASE', '<SID>') SET ('backup', 'parallel_data_backup_backint_channels') = '20' WITH RECONFIGURE

SQLSessionCmd    Statement.cc(06082) : INI configuration is changed by xxx, query=ALTER SYSTEM ALTER CONFIGURATION ('global.ini', 'SYSTEM') SET ('backup', 'parallel_data_backup_backint_channels') = '4' WITH RECONFIGURE


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Environment

SAP HANA Database 2.0

Product

SAP HANA, platform edition all versions

Keywords

backint, parallel_data_backup_backint_channels, parallel_data_backup_channels, channel allocation, hana backup channels, hdbnameserver override, slow backup, ad-hoc backup performance, global.ini backup, parameter inconsistency, commvault, hana backup, backint channels, backup throughput, parallel channels configuration , KBA , HAN-DB-BAC , SAP HANA Backup & Recovery , Problem

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