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Requirements: Add a new hard disk sdb, partition the sdb into only one partition, format it, and mount it to the directory /ssd.
1. Check the existing partition status
# df –l
As shown in the picture, The sdb hard disk is not seen
2. Check the status of the hard disk installed on the server (including formatted and unformatted)
# fdisk –l
The picture shows that there is an sdb hard disk, but there are no partitions.
3. Add a new partition
# fdisk /dev/sdb
Enter in the red box below
N Enter
P Enter
1 Enter
Enter twice
W Enter
Use the following command to view the partition
# fdisk –l
The red box in the picture shows that there is one more partition , but not formatted yet.
4. Format partition
# mkfs -t ext4 -c /dev/sdb1
-t Determine what type of disk you want to format the disk into
-c Create a file system Checking for bad sectors in the past may be time-consuming. New hard disks generally do not require
5. Mount a new hard disk
In the root directory, create a folder. The partition will be mounted on this folder later. If you want to save things to the new hard disk in the future, just save it in the new folder.
# mkdir /ssd
Mount the hard disk
# mount /dev/sdb1 /ssd
6. Let the system automatically mount this hard disk when it boots up
# echo "/dev/sda1 /data ext4 defaults 0 0">>/etc/fstaba
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