Ubuntu repairs the super block of the ext Partition

Ubuntu repairs the super block of the ext partition. Sometimes, the super block of the ext4 partition (The information in this section is the partition size and the remaining space) will be damaged. The specific manifestation is that it cannot be mounted, the format cannot be identified when mounting. The first step to create a new super block mke2fs without parameters is as follows. Mke2fs-S/dev/hda10 to create a new empty super block. Mke2fs-n/dev/hda10 check the status of the super block Step 2 re-build the super block e2fsck-B 32768/dev/hda10 wait patiently. you can do something else and never interrupt it. Remember to remember! This should work.