Before performing a backup, you can run the following command to change the number of data readers to use for the backup.
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Log in to the CommServe host using qlogin.
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Download the update_subclient_number_of_readers.xml file and save it on the computer where the command will be executed.
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Run the following command:
qoperation execute -af $[update_subclient_template.xml] -entity/appName '$[Virtual Server]' -entity/clientName $[client_name] -entity/instanceName $[instance_name] -entity/backupsetName $[backupset_name] -entity/subclientName "$[subclient_name]" -commonProperties/numberOfBackupStreams $[7]
Provide appropriate values for client_name, instance_name, backupset_name, and subclient_name.
After running this command, all subsequent backups for the subclient use the specified number of data readers.