All Questions
22
questions
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
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
157
views
Btrfs local Snapshots vs Incremental remote Backup
In a NAS context, I'm wondering about the pros of btrfs local snapshots when incremental remote backup is made on a remote server.
I'm also wondering about the interest to have both snapshots and ...
- 161
0
votes
1
answer
5k
views
How to remove a snapper config when getting error “deleting snapshot failed”?
I am using snapper to take snapshots of btrfs volumes. I have one for /var as well, but decided that I want to get rid of it. It corresponds to the _var snapper config. I can't manage to do this, ...
- 465
1
vote
1
answer
1k
views
What should happen if I delete files in a BtrFS snapshot?
I have an openSUSE computer that started with BtrFS early (like Leap 42.2).
At one moment in the past the /tmp subvolume had become full (one big file) and I was not able to recover space until reboot ...
- 695
3
votes
1
answer
2k
views
Btrfs copy snapshot with rsync
So I have been searching for this up and down, but must be doing something fundamentally wrong. What I want to do:
I have configured my NAS to make snapshots of my home folder, file system is btrfs. ...
- 161
0
votes
3
answers
2k
views
Test if btrfs subvolume exists
I have a problem in a bash procedure, which should port my old rsync disk backup (and archive) to my future btrfs snapshot backup.
I want to use the line:
# btrfs subvolume snapshot /targetdir/@...
- 103
2
votes
1
answer
590
views
Btrfs automatically bitrot correction with snapshots?
I want to set up a notebook (debian) with 1 SSD and 1 HDD each with Luks and Btrfs on it. Because the SSD and the HDD doesn't have the same speed, i don't want to use Btrfs' Raid-1 on it, but i also ...
- 21
3
votes
0
answers
628
views
Does ZFS support something like "nodatacow" of BTRFS?
This is a follow up to a former question about BTRFS and in the end I want to have a file system supporting at least the manual creation of snapshots for backup and test purposes. The data I'm hosting ...
1
vote
1
answer
3k
views
How to get NTFS like snapshot behaviour in BTRFS?
I would like to use BTRFS to host VMs in VirtualBox to be able to use Snapshots without LVM or such. In theory I don't need CoW behaviour all the time because of performance reasons and using ...
6
votes
2
answers
2k
views
Using MySQL and LxD over Btrfs
I have a Ubuntu 16.04 workstation, with an ext4 filesystem.
When playing with LxD, I would like to have a lightening-fast snapshoting ability (since my images would usually be big). This ability, in ...
- 851
0
votes
1
answer
3k
views
BTRFS - Revert to snapshot
I have disk with btrfs file system which is mounted on root directory.
$ sudo btrfs subvol show /media/qkiz/Corsair/
/media/qkiz/Corsair is btrfs root
On this this root is a snapshot.
$ sudo btrfs ...
- 348
0
votes
1
answer
282
views
Error occurrs while configuring Snapper on Btrfs file system
I am getting an error while trying to configure snapper on Fedora 23. My root partition is btrfs, and I have installed the snapper package. The error is occurring when I initially try to create the ...
- 101
2
votes
1
answer
6k
views
expose Btrfs snapshots with samba4 and vfs_shadow2
I'm trying to implement the vfs_shadow2 module with samba 4.2 running on Fedora 22 to get windows explorer feature "previous versions" on clients to work.
The shared "folder" is an Btrfs subvolume in ...
- 51
1
vote
1
answer
139
views
How to rsync the / folder properly?
I have a btrfs snapshot of / and I want to rsync it with my current / folder. As form of "rollback" if you want.
My question is what folder should I avoid for instance I should use -x option to ...
- 89