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Zfsnapr Alternatives
Similar projects and alternatives to zfsnapr
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BorgBackup
Deduplicating archiver with compression and authenticated encryption.
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PopRuby
PopRuby: Clothing and Accessories for Ruby Developers. Fashion meets Ruby! Shop our fun Ruby-inspired apparel and accessories designed to celebrate the joy and diversity of the Ruby community.
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ioztat
ioztat is a storage load analysis tool for OpenZFS. It provides iostat-like statistics at an individual dataset/zvol level.
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kopia
Cross-platform backup tool for Windows, macOS & Linux with fast, incremental backups, client-side end-to-end encryption, compression and data deduplication. CLI and GUI included.
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borgmatic
Simple, configuration-driven backup software for servers and workstations
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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npbackup
A secure and efficient file backup solution that fits both system administrators (CLI) and end users (GUI)
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rclone
"rsync for cloud storage" - Google Drive, S3, Dropbox, Backblaze B2, One Drive, Swift, Hubic, Wasabi, Google Cloud Storage, Yandex Files
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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.)
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autobots
⚡️ Scripts & dotfiles for automation and/or bootstrapping new system setup
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
zfsnapr reviews and mentions
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Kopia: Open-Source, Fast and Secure Open-Source Backup Software
FreeBSD had a pretty decent option in the base system two decades ago - FFS snapshots and a stock backup tool that would use them automatically with minimal effort, dump(8). Just chuck `-L` at it and your backups are consistent.
Now of course it's all about ZFS, so there's at least snapshots paired with replication - but the story for anything else is still pretty bad, with you having to put all the fiddly pieces together. I'm sure some people taught their backup tool about their special named backup snapshots sprinkled about in `.zfs/snapshot` directories, but given the fiddly nature of it I'm also sure most people just ended up YOLOing raw directories, temporal-smearing be damned.
I know I did!
I finally got around to fixing that last year with zfsnapr[1]. `zfsnapr mount /mnt/backup` and there's a snapshot of the system - all datasets, mounted recursively - ready for whatever backup tool of the year is.
I'm kind of disappointed in mentioning it over on the Practical ZFS forum that the response was not "why didn't you just use ", but "I can see why that might be useful".
Well, yes, it makes backups actually work.
> Also, it's unclear to me what happens if you attempt a snapshot in the middle of something like a database transaction or even a basic file write. Seems likely that the snapshot would still be corrupted
A snapshot is a point-in-time image of the filesystem at a given point. Any ACID database worth the name will roll back the in-flight transaction just like they would if you issued it a `kill -9`.
For other file writes, that's really down to whether or not such interruptions were considered by the writer. You may well have half-written files in your snapshot, with the file contents as they were in between two write() calls. Ideally this will only be in the form of temporary files, prior to their rename() over the data they're replacing.
For everything else - well, you have more than one snapshot backed up, right?
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ZFS for Dummies
I make remote snapshot backups with Borg using this: https://github.com/Freaky/zfsnapr
zfsnapr mounts recursive snapshots on a target directory so you can just point whatever backup tool you like at a normal directory tree.
I still use send/recv for local backups - I think it's good to have a mix of strategies.
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BorgBackup, Deduplicating archiver with compression and encryption
This is why I made https://github.com/Freaky/zfsnapr
Instead of working out how to teach my backup tools about snapshots, I just mount them in a subtree and use that as a chroot env.
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Ask HN: Can I see your scripts?
borg-backup.sh, which runs my remote borg backups off a cronjob: https://github.com/Freaky/borg-backup.sh
zfsnapr, a ZFS recursive snapshot mounter - I run borg-backup.sh using this to make consistent backups: https://github.com/Freaky/zfsnapr
mkjail, an automatic minimal FreeBSD chroot environment builder: https://github.com/Freaky/mkjail
run-one, a clone of the Ubuntu scripts of the same name, which provides a slightly friendlier alternative to running commands with flock/lockf: https://github.com/Freaky/run-one
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Correct Backups Require Filesystem Snapshots
I wrote https://github.com/Freaky/zfsnapr a few months ago so I could finally have point-in-time consistent Borg backups with ZFS snapshots, without having the mess of teaching Borg where every .zfs directory was.
It recursively snapshots mounted pools, and recursively mounts snapshots of the mounted datasets into a target ready to point your backup tools at. I do so via a chroot so I didn't need to make any changes to my Borg setup - just to how I run it.
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Snapshot stat changes on access
This is the approach I take with zfssnapr - make a recursive snapshot of pools and then use mountpoint/canmount to recursively mount datasets on a location. Then I can just point borg at it without having to teach it where exactly each .zfs directory is.
- zfsnapr — recursively mount a system snapshot on a given location
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A note from our sponsor - WorkOS
workos.com | 28 Mar 2024
Stats
Freaky/zfsnapr is an open source project licensed under BSD 2-clause "Simplified" License which is an OSI approved license.
The primary programming language of zfsnapr is Ruby.