pyznap
ssh-python
| pyznap | ssh-python | |
|---|---|---|
| 9 | 2 | |
| 198 | 38 | |
| - | - | |
| 0.0 | 0.0 | |
| about 1 month ago | 10 months ago | |
| Python | C | |
| GNU General Public License v3.0 only | GNU Lesser General Public License v3.0 only |
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pyznap
- Python Port of 600 Line Bash Script: rsync-time-machine.py for Rsync Backups
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Should I be using zfs replicate, mirror, or something else entirely?
Sanoid/syncoids been mentioned but honestly for once a week learning by doing . Pyznap also excellent when you want to automate. https://github.com/yboetz/pyznap
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Vdevs and snapshots?
In contrast, zfs snapshots are immutable, and thus anything short of a hardware failure can be addressed with a simple zfs rollback command. This includes deliberate, accidental, and malicious actions. They can also be automated (I personally use pyznap but syncoid is also quite popular), creating what is effectively an incremental backup. I maintain - for each dataset - 24 hourly, 7 daily, 6 monthly, and 1 yearly snapshot. Additionally, I have a wholly separate server that wakes up once a day to ingest these snapshots via zfs send/recv, so even if I made a horrible mistake or suffered a catastrophic hardware failure, I could completely restore from the other server. This last point brings snapshots firmly into the realm of backups, IMO.
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Sanoid for snapshots management?
Another favorite option is Pyznap, which is python based and originally created to have have a few features and changes compared to sanoid. The author is also active here on reddit. I and not sure what the differences are anymore, it'll come down to trying them and preference.
- Advice on settings for spin-down (Ubuntu Server)
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A small script to wake up a node that doesn't like to boot
I have two Supermicro X9 2Us, each with Proxmox. One has allegedly existed solely as a backup target, which wakes up daily to ingest ZFS snapshots using pyznap. Unfortunately, for reasons which are unclear, this particular node doesn't always like to see its boot device, which is an NVMe drive. It's the exact same board as my primary, with the exact same modified BIOS to allow booting from NVMe. It usually takes 2-3 cycles before it'll see it and boot.
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Pros/cons of visible dataset for backups vs. only snapshots
I have two nearly identical systems, both running Proxmox, with Debian VMs. One is a backup, which (once this is worked out) will wake up daily to ingest incremental backups. I'm using pyznap to handle the backup strategy.
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Ubuntu server 21.04 native encrypted root on zfs zfsbootmenu pyznap
https://github.com/yboetz/pyznap/issues/1#issuecomment-351015432
- Don't do VFIO to save money...or time (opinion piece)
ssh-python
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Python Port of 600 Line Bash Script: rsync-time-machine.py for Rsync Backups
Are you open to a single dependency [0]? Entirely native tooling is an admirable thing that I greatly appreciate, but parsing subprocess output is fraught with issues (I know, I've done this as well).
[0]: https://github.com/ParallelSSH/ssh-python
- How to use python to ssh to vm and then perform a command on vm ?
What are some alternatives?
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.)
rsync-time-backup - Time Machine style backup with rsync.
zfsbackup-go - Backup ZFS snapshots to cloud storage such as Google, Amazon, Azure, etc. Built with the enterprise in mind.
tallow - Block hosts that attempt to bruteforce SSH using the journald API.
cv4pve-autosnap - Automatic snapshot tool for Proxmox VE
ssh - Native SSH client in R based on libssh
Vault - A tool for secrets management, encryption as a service, and privileged access management
cydoomgeneric - Easily portable DooM for Python (+ some pretty sick demos)
zfs - OpenZFS on Linux and FreeBSD
parallel-ssh - Asynchronous parallel SSH client library.
barrier - Open-source KVM software
Rsnapshot - a tool for backing up your data using rsync (if you want to get help, use https://lists.sourceforge.net/lists/listinfo/rsnapshot-discuss)