Questions tagged [btrfs]
B-tree file system, next-generation Linux file system
313
questions
0
votes
0
answers
38
views
Using btrfs to share home across systems
I have several arch-based distros on a laptop, all having their root filesystem on a shared lvm-on-luks setup (one lvm volume each).
I'd like having a common /home partition for them all, but some ...
0
votes
0
answers
31
views
experiment with BTRFS RAID 1 (mirror) and recovery after disk failure
I am just trying learn more about Btrfs. I am using it years on sigle harddrives, sometimes for backups (rsync on external drive and then snapshot), it works fine. But I had some bad experience with ...
0
votes
0
answers
26
views
btrfs: Cannot repair "bad extent [range] type mismatch with chunk"
I currently cannot mount my btrfs parition, even using the tools in systemrescue https://www.system-rescue.org/System-tools/ (btrfs-core v6.6.3.)
The mount command fails with a generic error and dmesg ...
0
votes
0
answers
25
views
Migrating between BTRFS Profiles and mdadm RAID
I am planning to set up a home NAS. I plan to start it with two identical disks in something similar to RAID-1, but Iʼm thinking about how to make sure I leave my options open for growing it later.
...
- 1,634
-1
votes
0
answers
84
views
Windows after Nobara installation
I found this tutorial, but it seems to be written for someone that has a single drive.
My current setup is:
200 GB SSD (NTFS) that contained a previous Windows install, that I plan to format as the ...
1
vote
0
answers
56
views
Recover damaged & luks-encrypted BTRFS partition
Here's my problem:
I have a Virtual Machine that I had to reset because the UI became very buggy after I tried to mount a hot-pluggable virtual disk image to copy some files.
Well that was actually ...
4
votes
1
answer
394
views
Is there a way to move a LUKS-encrypted btrfs volume to the right?
I want to move a LUKS-encrypted btrfs volume to the right. GParted is telling me it knows how to move the LUKS layer to the right, but it doesn’t know how to move the btrfs layer to the right. Can I ...
- 1,317
0
votes
0
answers
51
views
Btrfs snapshots are empty
I am using btrbk to make snapshots of my @home subvolume, but the snapshots are empty, zero bytes.
I think I need to automount home, somehow.
I see in the Btrfs Assistant File Viewer that the root ...
- 246
0
votes
2
answers
60
views
How to keep files downloaded with qBittorrent defragmented on BtrFS?
Files downloaded over the BitTorrent protocol are naturally fragmented as they're downloaded from pieces in irregular order.
This reduces performance when reading such files on classical HDDs. How to ...
- 3,173
0
votes
1
answer
90
views
How to unmount /home on a BTRFS system?
In order to restore a BTRFS snapshot of /home, on NixOS, the Wiki says to first unmount /home.
"home must be unmounted for this operation"
https://nixos.wiki/wiki/Btrfs
So my question is how ...
- 246
0
votes
0
answers
251
views
Speed up btrfs check --init-extent-tree
I recently accidentally mounted a btrfs filesystem read-write without knowing a different kernel that also had it mounted read-write was hibernated. When I resumed the hibernated kernel, it mounted ...
- 137
2
votes
1
answer
641
views
How to mount BTRFS partition multiple times both using the same space allocation?
I’m new to BTRFS and am wondering if it’s possible to share the space of a single partition but mount it under multiple mount points?
For example, I have a 1 TiB partition and want to share the same ...
- 518
0
votes
1
answer
93
views
How to convert ext4 partition on raid 1 to btrfs?
I'm trying to convert two ext4 partitions that are on raid 1 with mdadm to btrfs.
When i try to run
fsck.ext4 /dev/md0p2
fsck.ext4 /dev/md0p3
They return with
e2fsck 1.46.5 (30-Dec-2021)
/dev/md0p3 ...
0
votes
2
answers
650
views
Backup strategy: from ext4 to btrfs. Is it any good?
I have all my data stored on an ext4 filesystem. I want to make regular backups to a btrfs drive and use its snapshot capabilities.
In the btrfs drive I will make two directories: \backup and \...
- 63
2
votes
0
answers
414
views
BTRFS: no space but plenty free, balance doesn't do anything
I've got a BTRFS filesystem on four 20TB disks. It used to be three disks and I recently added a fourth:
> btrfs filesystem usage /data
Overall:
Device size: 72.76TiB
Device ...
- 273