fdisk 磁盘分区
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1. 分区
root@gitlab:~# fdisk /dev/sdaDevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabelBuilding a new DOS disklabel with disk identifier 0xdfdc0daa.Changes will remain in memory only, until you decide to write them.After that, of course, the previous content won't be recoverable.Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)The device presents a logical sector size that is smaller thanthe physical sector size. Aligning to a physical sector (or optimalI/O) size boundary is recommended, or performance may be impacted.Command (m for help): m Command action a toggle a bootable flag b edit bsd disklabel c toggle the dos compatibility flag d delete a partition l list known partition types m print this menu n add a new partition o create a new empty DOS partition table p print the partition table q quit without saving changes s create a new empty Sun disklabel t change a partition's system id u change display/entry units v verify the partition table w write table to disk and exit x extra functionality (experts only)Command (m for help): nPartition type: p primary (0 primary, 0 extended, 4 free) e extendedSelect (default p): pPartition number (1-4, default 1): Using default value 1First sector (2048-3907029167, default 2048): Using default value 2048Last sector, +sectors or +size{K,M,G} (2048-3907029167, default 3907029167): Using default value 3907029167Command (m for help): wThe partition table has been altered!Calling ioctl() to re-read partition table.Syncing disks.
2. 格式化
mkfs.ext4 /dev/sda1
3. mount
root@gitlab:~# mkdir -p /opt/data
root@gitlab:~# ls
root@gitlab:~# mount /dev/sda1 /opt/data
5. 修改 /etc/fstab
添加
UUID=84ddd48b-3cd6-4ce7-b450-f2d0e8538e3f /opt/data ext4 defaults 0 2
在终端中输入下面的命令就可心查看到分区UUID了。
命令1.sudo blkid
命令2.ls -l /dev/disk/by-uuid/
命令3.
ls -l /dev/disk/by-path/
命令4.
ls -l /dev/disk/by-id/
0 0
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