- About dumpe2fs : dump ext2/ext3/ext4 filesystem information
- It comes from “e2fsprogs-1.41.12” package.
Examples:
1. To dump the file system information about a device
$ dumpe2fs /dev/sda1 |
2. To print the blocks which are reserved as bad in the filesystem
$ dumpe2fs -b /dev/sda2 |
3. To use the block superblock when examining the filesystem
$ dumpe2fs -o superblock=superblock /dev/sda1 |
4. To use blocks of blocksize bytes when examining the filesystem.
$ dumpe2fs -o blocksize=blocksize /dev/sda1 |
5. To force dumpe2fs to display a filesystem
$ dumpe2fs -f /dev/sda1 |
6. To only display the superblock information
$ dumpe2fs -h |
7. To display the filesystem data from an image file created by e2image
$ dumpe2fs -i |
8. To print the detailed group information block numbers in hexadecimal format
$ dumpe2fs -x |
9. To get the version info
$ dumpe2fs -V |
Related Commands: e2fsck, mke2fs, tune2fs