zfs vs zfs-replicate

zfs

OpenZFS on Linux and FreeBSD (by openzfs)

Source Code

openzfs.github.io

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zfs-replicate

A zfs send wrapper somewhat in the style of rsync (by rlaager)

ZFS zfs-snapshots

Source Code

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zfs		zfs-replicate
	Project
719	Mentions	1
10,125	Stars	4
1.4%	Growth	-
9.7	Activity	3.8
1 day ago	Latest Commit	10 months ago
C	Language	Python
GNU General Public License v3.0 or later	License	GNU General Public License v3.0 only

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
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.

zfs

Posts with mentions or reviews of zfs. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-02-12.

Radxa's SATA HAT makes compact Pi 5 NAS
1 project | news.ycombinator.com | 4 Apr 2024

> 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
1 project | news.ycombinator.com | 26 Mar 2024
ZFS: Some copied files are still corrupted (chunks replaced by zeros)
1 project | news.ycombinator.com | 27 Feb 2024
DiskClick: Ever wanted to hear Old Hard drive sounds
1 project | news.ycombinator.com | 19 Feb 2024

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
2 projects | news.ycombinator.com | 12 Feb 2024
A data corruption bug in OpenZFS?
4 projects | news.ycombinator.com | 26 Dec 2023

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.
Ask HN: What's your "it's not stupid if it works" story?
8 projects | news.ycombinator.com | 22 Dec 2023

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...
ZFS Profiling on Arch Linux
3 projects | news.ycombinator.com | 17 Dec 2023

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.
Using ZFS on single disks, combining them with mergerfs, and paritizing them with Snapraid
1 project | /r/homelab | 10 Dec 2023

TIL. Thank you! https://github.com/openzfs/zfs/pull/15022
Why does primarycache=metadata reduce my un-cached read speeds?
1 project | /r/zfs | 9 Dec 2023

Difference may be significant, yes https://github.com/openzfs/zfs/pull/14243

zfs-replicate

Posts with mentions or reviews of zfs-replicate. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2020-12-27.

Applying encryption to ZFS retroactively?
3 projects | /r/zfs | 27 Dec 2020

Take a recursive snapshot. Use the right send/recv options to get everything to the new pool and maintain encryption. You might try https://github.com/rlaager/zfs-replicate but seriously, I have not tested exactly this scenario, it might break, and if it does, you get to keep the pieces (don't blame me). If you go this route, I'd love to hear if it worked.

What are some alternatives?

When comparing zfs and zfs-replicate you can also consider the following projects:

zstd - Zstandard - Fast real-time compression algorithm

zfs_autobackup - ZFS autobackup is used to periodicly backup ZFS filesystems to other locations. Easy to use and very reliable.

7-Zip-zstd - 7-Zip with support for Brotli, Fast-LZMA2, Lizard, LZ4, LZ5 and Zstandard

snapshot-explorer - A GTK-based application for browsing ZFS snapshots using the system file manager (e.g. Nautilus on GNOME) and restoring files from them.

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.)

zfs_uploader - Simple program for backing up full and incremental ZFS snapshots to Amazon S3.

RocksDB - A library that provides an embeddable, persistent key-value store for fast storage.

check-zfs-replication - This script checks yout ZFS replication an generates reports in different flavours or can act as checkmk agent plugin (local check).

snapper - Manage filesystem snapshots and allow undo of system modifications

zfsbootmenu - ZFS Bootloader for root-on-ZFS systems with support for snapshots and native full disk encryption

zrepl - One-stop ZFS backup & replication solution

centos-stream