snap-sync
zfs
| snap-sync | zfs | |
|---|---|---|
| 15 | 720 | |
| 129 | 10,125 | |
| - | 0.6% | |
| 0.0 | 9.7 | |
| 3 months ago | 7 days ago | |
| Shell | C | |
| GNU General Public License v3.0 only | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
snap-sync
- BorgBackup 1.2.3 released
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Incremental backup of snapper to external drive
- https://github.com/qubidt/snap-sync
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Question about snapper
You might be interested in snap-sync. It is a bash script which accomplishes btrfs backups using snapper under the hood. So no need to use btrbk (but you get all the same functionality).
- What's a good way to backup a system running btrfs and snapper?
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Backup strategy
I've been using snapper and snap-sync for automated snapshots and backups to an external drive. Recently, snap-sync is no longer maintained, and it may not be able to do some more things that I want to do, such as:
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How to replace snap-sync?
I was actively using snap-sync to back up my files to a local hard drive. Unfortunately, snap-sync will be retired soon.
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Reinstalled my F35 to BTRFS, looking for your thoughts and opinions for snapshot/backup solutions
I use snapper for snapshots and snap-sync for backing up said snapshots on an external drive.
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"Install once, update forever"?
Yeah, I use snapshots for backups using snap-sync, which is a convenience script around btrfs send. Personally I use it to back up onto an external HDD, but it can also do remote backups over SSH. I'm just not sure if remote backups are incremental or not.
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Let's talk about Btrfs.
On my laptop I make extensive use of openSUSE's snapper and the snap-sync script to sync to two external USB drives. Lastly, I wrote a script to clean/expire snapshots on the external volumes.
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Have some question before moving to Fedora, hoping you guys can help
Snapshots aren't proper backups by themselves; they don't protect you from disk failure or the entire filesystem somehow being corrupted. It is possible to use them as backups; personally I use a command-line script called snap-sync to do this. This has the advantage of retaining the incremental nature of snapshots (though the incrementality will be on your backup media, so the first snapshot of a 100GB filesystem you put on your backup drive will take up 100GB of space), plus it integrates nicely with Snapper which is the snapshot utility I use.
zfs
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Ubuntu 24.04 LTS is so buggy you can't install the OS [video]
Be careful if you use ZFS-on-root, make sure not to snapshot bpool or it will brick your system and require a complete reinstall.
https://github.com/openzfs/zfs/issues/13873
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Radxa's SATA HAT makes compact Pi 5 NAS
> The only non-junk PCIe3 option that's even advertised here recently is the overpriced WD Red SN700.
Those WD drives seem to have some real issues, at least with ZFS and btrfs. :(
https://github.com/openzfs/zfs/discussions/14793
- OpenZFS: Fix corruption caused by MMAP flushing problems
- ZFS: Some copied files are still corrupted (chunks replaced by zeros)
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DiskClick: Ever wanted to hear Old Hard drive sounds
IMO the "next fs" is just zfs. They somewhat recently merged RAIDZ expansion feature https://github.com/openzfs/zfs/pull/12225 and make regular improvements. If no file system has what you need today, zfs will probably be the first one to have it "tomorrow," imo.
- OpenZFS bug reports for native encryption
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A data corruption bug in OpenZFS?
https://github.com/openzfs/zfs/issues/15526#issuecomment-181...
> zpool get all tank | grep bclone
> kc3000 bcloneused 442M
> kc3000 bclonesaved 1.42G
> kc3000 bcloneratio 4.30x
> My understanding is this: If the result is 0 for both bcloneused and bclonesaved then it's safe to say that you don't have silent corruption.
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Ask HN: What's your "it's not stupid if it works" story?
A couple years ago, I had an idea for convincing a filesystem to go faster using 2 compression steps instead of one. I couldn't see why it wouldn't work, and I also couldn't convince myself it should.
It seems to have worked out. [1]
[1] - https://github.com/openzfs/zfs/commit/f375b23c026aec00cc9527...
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ZFS Profiling on Arch Linux
https://github.com/openzfs/zfs/issues/7631
This is a long-standing issue with zvols which affects overall system stability, and has no real solution as of yet.
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Using ZFS on single disks, combining them with mergerfs, and paritizing them with Snapraid
TIL. Thank you! https://github.com/openzfs/zfs/pull/15022
What are some alternatives?
snapper - Manage filesystem snapshots and allow undo of system modifications
zstd - Zstandard - Fast real-time compression algorithm
btrbk - Tool for creating snapshots and remote backups of btrfs subvolumes
7-Zip-zstd - 7-Zip with support for Brotli, Fast-LZMA2, Lizard, LZ4, LZ5 and Zstandard
grub-btrfs - Include btrfs snapshots at boot options. (Grub menu)
sanoid - These are policy-driven snapshot management and replication tools which use OpenZFS for underlying next-gen storage. (Btrfs support plans are shelved unless and until btrfs becomes reliable.)
bees - Best-Effort Extent-Same, a btrfs dedupe agent
RocksDB - A library that provides an embeddable, persistent key-value store for fast storage.
linux-timemachine - Rsync-based OSX-like time machine for Linux, MacOS and BSD for atomic and resumable local and remote backups
browsh - A fully-modern text-based browser, rendering to TTY and browsers
zfsbootmenu - ZFS Bootloader for root-on-ZFS systems with support for snapshots and native full disk encryption