Differences

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--- linux:notes:ext4 [2026/04/29 21:46] – ext2 Sean Rhone
+++ linux:notes:ext4 [2026/05/15 09:28] (current) – [fstab] Sean Rhone
@@ Line 10: / Line 10: @@
   sudo mkfs.ext4 -D -L 'NAS' -O 'fast_commit' -v '/dev/sda'
+  sudo e2fsck -D -E 'optimize_extents,inode_count_fullmap' -f -v -y '/dev/sda'
 ====== fsck ======
-  * :!: Only on **unmounted** partition
+  * :!: Only on **unmounted** filesystem
   sudo umount '/dev/sdb'*
   sudo e2fsck -D -E 'optimize_extents,inode_count_fullmap' -f -v -y '/dev/sdb'
+  sudo mount '/dev/sdb'
 ===== LiveUSB =====
@@ Line 25: / Line 29: @@
   sudo dosfsck -a -t -w -v '/dev/nvme0n1p1'
-  sudo e2fsck -D -E 'optimize_extents,inode_count_fullmap' -f -v -y '/dev/sda'
+  sudo e2fsck -D -E 'optimize_extents,inode_count_fullmap' -f -v -y '/dev/sda2'
 ====== e4defrag ======
@@ Line 41: / Line 45: @@
 ====== fstab ======
-  '/usr/sbin/blkid'
+  sudo blkid
   sudo mkdir -p '/mnt/NAS1' && sudo -e '/etc/fstab'
@@ Line 47: / Line 51: @@
 <code>
 # NAS
-UUID=x /mnt/NAS1 ext4 defaults,nofail 0 2
+UUID=x /mnt/NAS1 ext4 defaults,noatime,nofail 0 2
 # End</code>