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Deduplication — This technology eliminates redundant copies of data and in the process it decreases disk capacity requirements and reduces the bandwidth needed for data transfer. Deduplication can be a major asset for companies that are dealing with increasing data volumes and require a means for optimizing their data protection. |
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Compression — This technology reduces the size of data that is stored, protected, and transmitted. Compression helps companies improve their backup and recovery times while helping reduce infrastructure and network resource constraints. |
For a complete list of supported management application, refer to the DR Series System Interoperability Guide.
This topic describes the differences between data streams and application connections.
Streams can be likened to the number of files written at the same time to a DR Series system. The DR Series system tracks the number of files being written and assembles the data into 4MB chunks before processing that section of the data. If the stream count is exceeded, the data is processed out of order and overall deduplication savings can be affected. For details on maximum stream count, see the Dell DR Series System Interoperability Guide.
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One Backup Exec server connected to the DR4100 over CIFS with 10 concurrent backups running, you have one connection and ten streams. This means that Backup Exec is writing ten different files to the DR4100. |
NOTE: Refer to the Dell DR Series Interoperability Guide for information about the maximum number of files replicated per container at a time per DR Series system. |
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