
Open systems |
| Storage HMC |
| |
host |
| CLI |
| |
CLI script |
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| ||
| interpreter |
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| ||
ESSDSCLIsoftware |
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|
|
|
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| External | Dual |
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| internal |
| |
|
| network |
| |
Network interface |
| network |
| |
| interface |
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| interfaces |
|
CS Server A | CS Server B | CLI interface | CLI interface | |
CS Client | CS Client |
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Cluster 1 | Cluster 2 | Server 0 | Server 1 | |
ESS 800 |
| DS8000 |
Figure 10-2 DS CLI Copy Services command flow
DS8000 split network
One thing that you may notice about Figure
relevant storage server. This means that the DS8000 itself is not on the same network as the open systems host. The
Clearly a major benefit of this setup is that the internal network within the DS8000 has no single points of failure. By using a second
DS6000 command flow
If a DS6000 is used, commands are instead issued to the DS Storage Manager PC, that has to be supplied and set up when a DS6000 is installed. The DS Storage Manager PC then issues the commands to the relevant DS6000 controller. This command flow is depicted in Figure
200DS6000 Series: Concepts and Architecture