Recently, I bought an external hard disk formatted with NTFS. Not that there is something really wrong with NTFS but I prefer using ext4.
First, I deleted the existing partition and created a new Linux partition using fdisk:
Assuming /dev/sdb is the external hard disk. Use d to delete the partition and use n to create a new partition. 83 is the ID of the native Linux partition.
Them, I use mkfs.ext4 to format the partition with ext4:
Note that mkfs.ext4 expects a partition as its argument.
Finally, I use tune2fs to adjust some parameters:
The -m option is for adjusting the percentage of reserved blocks. The reserved blocks are used by privileged processes which is by default 5% of the hard disk size. Since I’m using the external hard disk solely as a storage, I set this to 0 so I can also use those 5% for storage. The -L option is for labeling the filesystem.
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