[PVE-User] pve-user Digest, Vol 148, Issue 10

Tonči Stipičević tonci at suma-informatika.hr
Sat Jul 11 23:50:35 CEST 2020

Yes !!! ... this is what were waiting for, in spite of that proxmox 
already have pretty good out-of-the-box backup  solution, we missed  inc 
& diff backups ...

After putting very good zfs support (since then every my prox setup has 
been based on ) this  is (imho) next big big step

So big congrats to the team !!!

Now  I will shortly describe my usual cluster setups ... and will have 
one question about  fitting PBS into it

- my cluster -  3 nodes ->  2 nodes are redundant VM hosts and 3rd node 
is quorum and BACKUP one !

Thank to  ZFS we actually have quasi inc backup (and the very very fast 
one -- snapshot repl etc etc )    This 3rd quorum/bck node has very big 
zfs 10 raid as backup repository ...

But ... due to  zfs I can protect just one Prox host (standalone)  with 
other prox backup server very efficiently  and the most important 
benefits in scenarios above are: (imho)

1. very efficient backup (pve-zsync / storage (cluster) sync  etc ...)

2. Every backed-up VM is ready to run !  (on very that backup node ...  
after snapshot cloning etc etc )   ... So this could be considered as DR 
solution also

So since you are about to develop true and serious backup server (huge 
respect :) that can actually replace my 3rd backup node , the question 
would be:

    Can PBS play quorum role ?    If yes, perfect ... I do not need 4th 
server , othervise  4th server (as such) is needed in smallest HA 
solution ...

or ...

   Can PBS "be" host also ? ... than I could install prox-qouroum VM 
...  etc

Thank you very much in advance



/srdačan pozdrav / best regards

Tonči Stipičević, dipl. ing. elektr.
/direktor / manager/**

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On 10. 07. 2020. 13:56, pve-user-request at lists.proxmox.com wrote:
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> Today's Topics:
>     1. Proxmox Backup Server (beta) (Martin Maurer)
>     2. Re: Proxmox Backup Server (beta) (Eneko Lacunza)
>     3. Re: Proxmox Backup Server (beta) (Dietmar Maurer)
>     4. Re: Proxmox Backup Server (beta) (Roland)
>     5. Re: Proxmox Backup Server (beta) (Eneko Lacunza)
> ----------------------------------------------------------------------
> Message: 1
> Date: Fri, 10 Jul 2020 12:56:46 +0200
> From: Martin Maurer <martin at proxmox.com>
> To: PVE User List <pve-user at pve.proxmox.com>, pve-devel
> 	<pve-devel at pve.proxmox.com>, pbs-devel at lists.proxmox.com
> Subject: [PVE-User] Proxmox Backup Server (beta)
> Message-ID: <c84ac772-d577-27fd-710c-293d8a4baffe at proxmox.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> We are proud to announce the first beta release of our new Proxmox Backup Server.
> It's an enterprise-class client-server backup software that backups virtual machines, containers, and physical hosts. It is specially optimized for the Proxmox Virtual Environment platform and allows you to backup and replicate your data securely. It provides easy management with a command line and web-based user interface, and is licensed under the GNU Affero General Public License v3 (GNU AGPL, v3).
> Proxmox Backup Server supports incremental backups, deduplication, compression and authenticated encryption. Using Rust https://www.rust-lang.org/ as implementation language guarantees high performance, low resource usage, and a safe, high quality code base. It features strong encryption done on the client side. Thus, it?s possible to backup data to not fully trusted targets.
> Main Features
> Support for Proxmox VE:
> The Proxmox Virtual Environment is fully supported and you can easily backup virtual machines (supporting QEMU dirty bitmaps - https://www.qemu.org/docs/master/interop/bitmaps.html) and containers.
> Performance:
> The whole software stack is written in Rust https://www.rust-lang.org/, to provide high speed and memory efficiency.
> Deduplication:
> Periodic backups produce large amounts of duplicate data. The deduplication layer avoids redundancy and minimizes the used storage space.
> Incremental backups:
> Changes between backups are typically low. Reading and sending only the delta reduces storage and network impact of backups.
> Data Integrity:
> The built in SHA-256 https://en.wikipedia.org/wiki/SHA-2 checksum algorithm assures the accuracy and consistency of your backups.
> Remote Sync:
> It is possible to efficiently synchronize data to remote sites. Only deltas containing new data are transferred.
> Compression:
> The ultra fast Zstandard compression is able to compress several gigabytes of data per second.
> Encryption:
> Backups can be encrypted on the client-side using AES-256 in Galois/Counter Mode (GCM https://en.wikipedia.org/wiki/Galois/Counter_Mode). This authenticated encryption mode provides very high performance on modern hardware.
> Web interface:
> Manage Proxmox backups with the integrated web-based user interface.
> Open Source:
> No secrets. Proxmox Backup Server is free and open-source software. The source code is licensed under AGPL, v3.
> Support:
> Enterprise support will be available from Proxmox.
> And of course - Backups can be restored!
> Release notes
> https://pbs.proxmox.com/wiki/index.php/Roadmap
> Download
> https://www.proxmox.com/downloads
> Alternate ISO download:
> http://download.proxmox.com/iso
> Documentation
> https://pbs.proxmox.com
> Community Forum
> https://forum.proxmox.com
> Source Code
> https://git.proxmox.com
> Bugtracker
> https://bugzilla.proxmox.com
> Q: How does this integrate into Proxmox VE?
> A: Just add your Proxmox Backup Server storage as new storage backup target to your Proxmox VE. Make sure that you have at least pve-manager 6.2-9 installed.
> Q: What will happen with the existing Proxmox VE backup (vzdump)?
> A: You can still use vzdump. The new backup is an additional but very powerful way to backup and restore your VMs and container.
> Q: Can I already backup my other Debian servers (file backup agent)?
> A: Yes, just install the Proxmox Backup Client (https://pbs.proxmox.com/docs/installation.html#install-proxmox-backup-client-on-debian).
> Q: Are there already backup agents for other distributions?
> A: Not packaged yet, but using a statically linked binary should work in most cases on modern Linux OS (work in progress).
> Q: Is there any recommended server hardware for the Proxmox Backup Server?
> A: Use enterprise class server hardware with enough disks for the (big) ZFS pool holding your backup data. The Backup Server should be in the same datacenter as your Proxmox VE hosts.
> Q: Where can I get more information about coming feature updates?
> A: Follow the announcement forum, pbs-devel mailing list https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel, and subscribe to our newsletter https://www.proxmox.com/news.
> Please help us reaching the final release date by testing this beta and by providing feedback via https://forum.proxmox.com

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