Questions tagged [btrfs]
B-tree file system, next-generation Linux file system
331 questions
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Does rsync --one-file-system exclude BTRFS subvolumes?
The command btrfs send .. skips any subvolumes that are directly incorporated (in addition to those explitely mounted).
While the comand mountpoint xxx reports that subvolume xxx is not a mountpoint, ...
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Any way to setup BTRFS incremental send/receive without copying full data first?
If btrfs send -p parent source | btrfs receive target is used, the send command apparently transmits the UUID of the parent, and the receive command searches all subvolumes in the target for this UUID;...
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Are there any known flaws with my benchmarking of BTRFS compression options for my particular data?
I am trying to determine vaguely optimal BTRFS mount compression options for my particular data set. Rather than jumping in and reformatting my storage multiple times to perform testing with my ...
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Reasons to convert NTFS external drive to BTRFS?
Maybe a silly question, but I'm contemplating whether to switch my hdd to BTRFS or let it be on NTFS.
I don't have many situations where I will use this on Windows (The only reason I can think of is ...
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How to setup Arch Linux on legacy BIOS with BTRFS snapshots?
I have a 13 year old PC with legacy bios. I have installed Arch Linux on it using gpt partitioning. The existing installation uses ext4 and is divided into 5 partitions: /, /boot, /home, swap and the ...
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Does copy-on-write (CoW) with BTRFS also apply to metadata such as last access time?
In other words, when I access a file on BTRFS, does information about the previous access time normally still exist somewhere on the file system for some time?
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Forensics to recover the second-to-last access timestamp of a file on BTRFS on HDD?
Does anyone know if there is some way to recover the access timestamp of my file on BTRFS, before the access timestamp which appears currently? Using HDD (not SSD).
Please let me know. I made no ...
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How to deal with a degraded, half-replaced BTRFS cluster?
I have a BTRFS cluster that's in really bad shape right now:
Original setup:
5-Disk BTRFS cluster: system, data, metadata in RAID1 profile.
One of the devices (/dev/sda) was producing recoverable ...
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Should I create subvolume in BTRFS data partition or use it directly?
I plan to use a separate hard disk for data that has one BTRFS partition.
It is currently mounted like this in /etc/fstab:
UUID=9c76582a-95c4-437c-abf2-81e3542665ae /media/data btrfs defaults 0 0
I ...
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Does Debian 12 have software that can perform BTRFS rollback the way Synology does?
When I look at Synology videos from Youtube then there I can see that it is possible to rollback BTRFS snapshots for data without rolling back OS.
My root file system and data are both BTRFS and ...
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How to rollback BTRFS snapshots using snapper on Debian 12?
I want to be able to rollback BTRFS snapshots on Debian 12.
I have installed my root file system on BTRFS.
My /etc/fstab looks like this:
# /etc/fstab: static file system information.
#
# Use 'blkid' ...
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Can a BTFS disk in a BTRFS 1c3 (or 1c4) RAID configuration be read on a different system?
I am evaluating options for replacing a failed home NAS array, and one of my important disaster recovery criteria for the replacement is the ability to partially recover a failed array by reading ...
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How do I detect that Btrfs has finished reclaiming free space in the background?
After one deletes files or subvolumes on a Btrfs filesystem, this space is not immediately reclaimed. However, with watch btrfs f u <dir>, one can see live how the free space is slowly going up....
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How to get a large file on a completely full `btrfs` partition back into a "workable" state, e.g. by truncating it?
I have a hard disk with a single btrfs partition (sdc1):
# lsblk
[...]
sdc 8:32 0 465.8G 0 disk
└─sdc1 8:33 0 465.8G 0 part /mnt/exthd
This partition is currently completely full:
# ...
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Why don't I recover disk space after a btrfs subvolume snapshot deletion?
To save disk space, I have done a btrfs subvolume delete /mnt/snapshots/some_snapshot. The result is I have not recovered any space, controlled with df -h.
This result is very surprising because there ...
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