Questions tagged [journaling]
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57 questions
2 votes
1 answer
130 views
How to forget running but canceled transactions in a btrfs recovery?
While I am trying to do a really serious filesystem recovery on btrfs (like as e2fsck -f -y would do on an ext[234]), I get similar error messages: ERROR: commit_root already set when starting ...
- 10.5k
0 votes
1 answer
300 views
Journaling block device (jbd2) hammering my SSD
Ubuntu MATE 24.04 LTS System monitor in panel shows something like all day long. Hovering the mouse over the image shows disk usage hitting 83.3% at those peaks. When I run sudo iotop, an item that ...
- 107
0 votes
0 answers
46 views
Can an application control journaled filesystem?
Linux (and UNIX) filesystems featuring journaling are there to prevent filesystem corruption (any maybe file corruption, too). Some of them have mount options to control the details of journaling, and ...
- 1,777
0 votes
1 answer
2k views
How to enable data=journal ext4 fs mode?
Preface (my 1st attempt ended badly): Fstab adding data=journal crashed my Linux' ext4 upon boot, how to fix? I can't find some reliable step-by-step instructions on How to enable data=journal ...
- 31.3k
7 votes
3 answers
8k views
How dangerous is to disable the EXT4 journaling?
I'm verry new to Linux. I have a Raspberry Pi 4 device with Raspberry Pi OS Lite. I use this with 4 HDDs conected to USB as a NAS. The hard drives were formatted in NTFS because I used them in Windows ...
- 243
2 votes
1 answer
654 views
How to keep the kernel from accessing the journal on an ext4 partition?
I hope that this is not a duplicate question. I have seen several similar questions, where the answer was to blacklist the respective device or partition. But in my case, I can't do that (see below). ...
- 3,941
0 votes
0 answers
146 views
Ensuring EXT4/BTRFS/other_journal_file_system guarantee backups even in power outages
I'm using RSYNC to do periodic backups of my data into an external hard disk formatted in EXT4. I'm using the "hard link option", thus files that haven't changed from the previous backup are ...
6 votes
1 answer
4k views
In what ways is the COW filesystem an improvement over the Journaling Filesystem?
I don't think an informative answer exists on u&l or otherwise, which mentions why COW filesystems are a leg-up over any of the three modes of journaling. How does the former provide both superior ...
- 878