CA VM:Backup can write data to more than one tape drive in a single backup job if you specify use of two or more tape streams to back up the minidisks and file spaces or directories. CA VM:Backup uses each stream independently and concurrently to write data. While a specific domain (minidisk or SFS file space) is backed up on a single stream, using more than one stream reduces run time and improves performance by allowing multiple domains to be backed up simultaneously.
CA VM:Backup can manage up to 15 streams in a single job. The backup job template file specifies the number of tape streams a backup job should use. For more information, see the backup template JOBOPTIONS record in the Template Programming Interface Guide or the chapter "Managing Backup Job Template Files" in the Administration Guide.
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