H3C UniServer R4300 G6, User Manual

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Parameter Description
n Number of NVMe drives in the RAID array.
l RAID level.
z RAID capacity.
3. Execute the
mdadm –D /dev/md0
command to view RAID information, including container
name, RAID level, strip size, number of NVMe drives, and RAID status, as shown in Figure 26 .
Figure 26 Viewing RAID information
Configuring hot spare drives
Use one of the following methods to configure hot spare drives:
•
Configuring hot spare drives while creating a RAID array .
•
Configuring hot spare drives after RAID array creation .
Configuring hot spare drives while creating a RAID array
1. Verify that VMD is enabled. For more information, see " Verifying VMD status ."
2. Execute the mdadm –C /dev/md0 /dev/nvme[1-3]n1 –n 3 –e imsm command to create
a container, as shown in Figure 27 . The number of NVMe drives for creating the container is n
+ 1. This section takes 3 as an example.
Figure 27 Creating a container
3. Execute the
mdadm –C /dev/md1 /dev/md0 –n 2 –l 1 –z 10G
command to create a
RAID array, as shown in Figure 28 . The number of NVMe drives for creating the RAID array is
n . This section takes 2 as an example.