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linux:notes:ext4

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Table of Contents

Format

  • superfloppy partitionless 1)
lsblk
sudo umount '/dev/sda'*
sudo wipefs -a -f '/dev/sda' && sudo dd if='/dev/zero' of='/dev/sda' count='18096'
sudo mkfs.ext4 -D -L 'NAS' -O 'fast_commit' -v '/dev/sda'

fsck

  • :!: Only on unmounted partition
sudo umount '/dev/sdb'*
sudo e2fsck -D -E 'optimize_extents,inode_count_fullmap' -f -v -y '/dev/sdb'

LiveUSB

sudo e2fsck -D -E 'discard,optimize_extents,inode_count_fullmap' -f -v -y '/dev/nvme0n1p2'
sudo dosfsck -a -t -w -v '/dev/nvme0n1p1'
sudo e2fsck -D -E 'optimize_extents,inode_count_fullmap' -f -v -y '/dev/sda'

e4defrag

sudo e4defrag -v '/dev/sdb'
sudo e4defrag -v '/dev/nvme0n1p2'
sudo e4defrag -v '/dev/sda'

Temp Mount

  • Before fstab
udisksctl mount --block-device '/dev/sdb'
1)
not MBR/GPT
/srv/www/wiki/data/attic/linux/notes/ext4.1777493515.txt.gz · Last modified: by Sean Rhone

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