Data Domain: DD Boost: DDBMEXPTOOL does not delete expired data when -N is used

Backups are not all deleted even though they are expired.

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The process completes successfully when running DDBPEXPTOOL or an SQL job; however, some backups remain, preventing the Data Domain system from being fully cleaned.

USE [master]
GO
DECLARE @returnCode int
EXEC @returnCode = dbo.emc_run_delete '-e "1 days ago" -k -n mssql -a "DDBOOST_USER = DDBOOST_USER" -a "DEVICE_HOST = DD_HOSTNAME " -a "DEVICE_PATH = /STorage_UNIT" -a "CLIENT = CLient_name" -N "BAckup_Name "'

ddbmexptool -k [-v -D 9 -b <start_save_time> -e <end_save_time> -N <save_set_name>] {-z <config_file> | -a "parameter=value"} -n <application>

When using the following command: 

ddbmexptool -k [-v -D 9 -b <start_save_time> -e <end_save_time>  {-z <config_file> | -a "parameter=value"} -n <application>

Or the T-SQL without the -N parameter.

USE [master]
GO
DECLARE @returnCode int
EXEC @returnCode = dbo.emc_run_delete '-e "1 days ago" -k -n mssql -a "DDBOOST_USER = DDBOOST_USER" -a "DEVICE_HOST = DD_HOSTNAME " -a "DEVICE_PATH = /STorage_UNIT" -a "CLIENT = CLient_name" '

The expired data is deleted as expected. 

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The delete command filters backups by name and removes only those that match the -N "Backup_Name" criteria.

-N specifies an exact match, not a partial match. Specifying -N "Backup_Name" ignores anything with a database name appended onto the end.

In the list command returning all the backups made because it did not add a save set name filter:

USE [master]
GO
DECLARE @returnCode int
EXEC @returnCode = dbo.emc_run_delete '-e "1 days ago" -k -n mssql -a "DDBOOST_USER = DDBOOST_USER" -a "DEVICE_HOST = DD_HOSTNAME " -a "DEVICE_PATH = /STorage_UNIT" -a "CLIENT = CLient_name"'

Run the expiry tool or the Maintenance T-SQL Transcript without specifying the -N parameter:

USE [master]
GO
DECLARE @returnCode int
EXEC @returnCode = dbo.emc_run_delete '-e "1 days ago" -k -n mssql -a "DDBOOST_USER = DDBOOST_USER" -a "DEVICE_HOST = DD_HOSTNAME " -a "DEVICE_PATH = /STORAGE_UNIT" -a "CLIENT = Client_name" '

ddbmexptool -k [-v -D 9 -b <start_save_time> -e <end_save_time>  {-z <config_file> | -a "parameter=value"} -n <application>