Difference between revisions of "Tune2fs"
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↑ https://linux.die.net/man/8/tune2fs
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| − | <code>[[tune2fs]]</code> used to modify file system parameters | + | <code>[[tune2fs]]</code><ref>https://linux.die.net/man/8/tune2fs</ref> used to modify file system parameters on [[ext4]] filesystems |
:To modify [[ext4]] for metadata checksums <code>tune2fs -O metadata_csum</code> | :To modify [[ext4]] for metadata checksums <code>tune2fs -O metadata_csum</code> | ||
:To disable ext4 metadata checksum: <code> tune2fs -O ^metadata_csum</code> | :To disable ext4 metadata checksum: <code> tune2fs -O ^metadata_csum</code> | ||
Revision as of 07:34, 17 December 2019
tune2fs[1] used to modify file system parameters on ext4 filesystems
- To modify ext4 for metadata checksums
tune2fs -O metadata_csum - To disable ext4 metadata checksum:
tune2fs -O ^metadata_csum
Show file system characteristics
# tune2fs -l /path/to/device # tune2fs -l /dev/sda25 # tune2fs -l /dev/[[cciss]]/c1d1p1 # tune2fs -l /dev/VG_NAME/LV_NAME # tune2fs -l /dev/mapper/dm-path-name
- Filesystem state: clean
- Filesystem state: clean with errors
- FS Error count: 61
First error time: Wed Dec 11 15:40:41 2019 First error function: htree_dirblock_to_tree First error line #: 994 First error inode #: 2 First error block #: 0 Last error time: Sun Dec 15 12:36:44 2019 Last error function: ext4_find_entry Last error line #: 1465 Last error inode #: 2 Last error block #: 0
See also
- File systems: clustered file system,
tune2fsmkfs.ext4,superblock, e2fsck,resize2fs,mount,df,umount, UUID,fstab
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