Which command can be used to create a distributed device from specified local devices?
A.
ds dd create
B.
storage-volume compose
C.
storage-tool compose
D.
virtual-volume create
The Answer Is:
A
This question includes an explanation.
Explanation:
To create a distributed device from specified local devices in a Dell VPLEX environment, the command used is ds dd create. This command is part of the VPLEX CLI and stands for “distributed storage - distributed device create”.
Identify Local Devices: Before creating a distributed device, you need to identify the local devices that will be part of the distributed device. These are typically volumes that are already provisioned and claimed by the VPLEX system1.
Use the ds dd create Command: Execute the ds dd create command in the VPLEX CLI, specifying the local devices that you want to include in the distributed device. The syntax for the command includes the names of the local devices and the name you want to assign to the distributed device1.
Command Execution: The command will initiate the creation of the distributed device, which involves pairing the specified local devices across the VPLEX clusters to create a single distributed volume that spans both clusters1.
Verification: After running the command, verify that the distributed device has been created successfully by using the ll /distributed-storage/distributed-devices/ command, which lists all the distributed devices in the system1.
Best Practices: It is important to follow the best practices for creating distributed devices as outlined in the Dell VPLEX Deploy Achievement documents. This includes ensuring that the local devices are properly configured and that the VPLEX clusters are in a healthy state before creating the distributed device1.
In summary, the ds dd create command is used to create a distributed device from specified local devices in a Dell VPLEX environment. This command is a fundamental part of managing distributed storage within VPLEX and is essential for achieving high availability and data mobility across clusters.
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