Dell VNX5800 VNX Series: Introduction to SMB 3.0 Support - Page 16

Offload Copy, The Storage Processor sends data to the Data Mover.

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Offload Copy SPB SPA 2 7 Command Data Data Mover 3 1 Data Mover 2 8 Client Figure 10 Pre-SMB 3.0 data copy Figure 10 shows the sequence of events required for a pre-SMB 3.0 copy: 1. The client requests data to be copied. 2. The Data Mover requests data from the Storage Processor. 3. The Storage Processor sends data to the Data Mover. 4. The Data Mover sends data to the client over the network. 5. The client sends back the same data to the Data Mover over the network. 6. The Data Mover sends back the same data to the Storage Processor to be written. 7. The Storage Processor acknowledges the Data Mover. 8. The Data Mover acknowledges the client. EMC VNX Series: Introduction to SMB 3.0 Support 16

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16
EMC VNX Series: Introduction to SMB 3.0 Support
Offload Copy
Data Mover 3
Data Mover 2
2
7
8
Command
Data
1
SPB
SPA
Figure 10
Pre-SMB 3.0 data copy
Figure 10 shows the sequence of events required for a pre-SMB 3.0 copy:
1.
The client requests data to be copied.
2.
The Data Mover requests data from the Storage Processor.
3.
The Storage Processor sends data to the Data Mover.
4.
The Data Mover sends data to the client over the network.
5.
The client sends back the same data to the Data Mover over the network.
6.
The Data Mover sends back the same data to the Storage Processor to be
written.
7.
The Storage Processor acknowledges the Data Mover.
8.
The Data Mover acknowledges the client.
Client