An EMC Avamar customer has a Celerra running DART 6.0 with 20 TB of data. There are
approximately 10 million files distributed across two Data Movers. They would like to backup the
NAS in approximately five hours. What is the maximum number of streams that can be
configured?
A.
2
B.
4
C.
8
D.
16
An NDMP accelerator can be configured to allow multiple simultaneous backups. Up to 8
streams are supported with VNX (with more than 8 GB of RAM), Isilon, or NetApp. Four
simultaneous streams are supported with EMC VNX and Celerra with just 8 GB of RAM.
Average allocation is 4 GB RAM per backup stream. To run different devices simultaneously,
backups are initiated as scheduled group backups; on-demand backups run one at a time.
Right answer is 4 streams as this is a Celerra system.
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