For NDMP NetApp C-mode subclients, you can configure multiple data streams to back up an individual content path on a subclient. After you configure multi-streaming for a subclient, the next full backup operation multi-streams the content path. If a content path is not completed during the full backup operation, the next incremental backup operation multi-streams the content path.
Multi-streaming for NDMP NetApp C-mode subclients is accomplished by looking up the subdirectories immediately under the subclient content path and backing up those subdirectories in parallel.
Note
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The first incremental or differential backup after a full backup is a date-based incremental and only backs up files with a modified or created date newer than the full backup time.
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A maximum of four data streams are used on each file server volume.
Support
Multi-streaming within an individual content path is supported for the following:
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Full backup operations when the subclient content paths are full-volume content paths.
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Volumes must meet the following requirements:
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The volume must be larger than 300 gigabytes.
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The average subdirectory size must be larger than 20 gigabytes.
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The number of subdirectories must be fewer than 5000.
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The backup content root path must contain fewer than 20,000 files.
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The volume cannot be a FlexGroup volume.
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The volume cannot be a read-only volume or a snap-mirror volume.
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