9
votes
Is there a file search engine like "Everything" in Linux?
I know that this answer is really late, but this might help someone else, especially since there is no real solution till now to this problem.
Linux kernel 5.1 Introduced a kernel API called 'fanotify'...
- 191
8
votes
Accepted
Does Linux provide file system journaling with Btrfs?
I think you misunderstand the purpose of the journal. It is not a log of the actions done by applications, and doesn't record which application caused a change. It is not intended for users or ...
6
votes
In what ways is the COW filesystem an improvement over the Journaling Filesystem?
From https://lwn.net/Articles/576276/
When data is overwritten in an ext4 filesystem, the new data is written on top of the existing data on the storage device, destroying the old copy. Btrfs, ...
- 32.9k
5
votes
Is there a file search engine like "Everything" in Linux?
I am using Angry Search on a Raspberry Pi 3 B+ running Stretch and it works fine. It is really quite fast just like Search Everything on windows. It is very nice to be able to find files so quickly.
- 51
4
votes
Accepted
Prevent syslogs from being logged under journalctl
I have a simple Python snippet managed by a systemd service which logs to the rsys[l]ogd daemon […]
No you haven't.
What you have is a service that logs to the systemd journal. The server ...
- 71.9k
4
votes
Difference between journaled and plain quota
From this old discussion thread:
On boot kernel reads filesystem usage and limits information from aquota.user and aquota.group files stored on the respective filesystem when quotaon is run (e.g. ...
- 478
4
votes
reconstructing ext4 inode structure after folder deletion
tl;dr While you may be able to theoretically recover some file data/content, you're unlikely to recover full file paths and file names
This may be a little late as a response, but perhaps someone ...
- 119
3
votes
Journaling block device (jbd2) hammering my SSD
In ext4, it's normal for filesystem metadata updates to be written through the journal. In practice that means that they're written first to the journal, which is then periodically committed by ...
- 408
3
votes
Is ext4 fast_commit really stable? (Linux 6.3)
Just to say "me too." I put fast_commit on my systems, then removed it eventually due to having the systems fail to boot due to needing a manual fsck.
I think what is happening is fsck sees ...
- 185
3
votes
MDADM: Unable to grow raid-6 with journal?
Yep, growing raid-6 with journal is not supported, at least by mdadm 4.1
You can:
--fail and remove journal device
echo resync > /sys/block/md0/md/consistency_policy"
add external bitmap
grow ...
- 246
2
votes
Is there a file search engine like "Everything" in Linux?
FSearch, which is inspired by by Everything Search Engine.
- 31
2
votes
How to stop jbd2 on unmounted filesystem
What worked for me was fuser -km MOUNTPOINT. This will kill any process still using files in that mount point. Be careful though! In my case this logged me out from Gnome.
- 153
2
votes
ext4 does not recognise journal device on boot
There is the journal_path=... mount option that can be used for this, see https://man7.org/linux/man-pages/man5/ext4.5.html
If the journal device has a label, then journal_path=/dev/disk/by-label/<...
- 2,002
2
votes
How to forget running but canceled transactions in a btrfs recovery?
To forget a running transaction in btrfs you need to need to zero the log.
To do so:
sudo btrfs rescue zero-log path/to/partition
From man pages:
zero-log: Clear the filesystem log tree.
This command ...
- 6,665
1
vote
how to make drive bootable
I use the below instructions to make second drive bootable as the working one:
mount /dev/target1 /mnt
rsync -aAXv --delete --exclude={"/dev/*","/proc/*","/sys/*","/...
- 524
1
vote
Accepted
How to enable data=journal ext4 fs mode?
Since this is your root filesystem, adding the mount option in /etc/fstab would pose a bit of a chicken-vs-egg problem: the system would need to know the mount option before starting to mount the root ...
- 114k
1
vote
How dangerous is to disable the EXT4 journaling?
I've seen a few sporadic reports of the behaviour you describe. Eg: here https://superuser.com/a/1046164
As TooTea points out, this may be related to lazy initialisation but some reports suggest this ...
- 21k
1
vote
How dangerous is to disable the EXT4 journaling?
Actually, the NAS with UPS is a perfect place for disabling journaling.
The primary benefit (and the goal) of journaling FS is to save data if HDD loses power. The idea is that to write data into a ...
- 5,287
1
vote
Accepted
How to keep the kernel from accessing the journal on an ext4 partition?
By passing -o norecovery to mount, you could mount the filesystem without making use of the journal at all.
Man page for mount, ext3 section:
norecovery/noload
Don't load the journal on mounting. ...
- 22.3k
1
vote
Disable and enable ext4 journaling ?
As already told tools like atop, iotop, htop, iostat haven't been were helpful.
blktrace -d /dev/sda -o - | blkparse -i - showed me that parted, smartctl and one other process (udevd ?) accessed the ...
- 31
1
vote
Do journaling filesystems guarantee against corruption after a power failure?
The other answers have impressive arguments that the file system cannot guarantee against corruption after a power failure, but my observation is that these are just theories, and are contradicted by ...
- 127
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