How to use btrbk, I wish we could more output of btrfs commands as JSON instead of raw text. Upgrading from F35 I couldn't use the system: black screen or flickering green screen, most of the time I couldn't go to a TTY. See btrbk archive command in btrbk(1) for more details. gpg. Stack Exchange Network. I followed the guidance on: Fedora Workstation 35 with automatic btrfs snapshots and backups using BTRBK | Willi Mutschler when configuring BTRBK. info: sidecar file containing\nmetadata used by btrbk. This was a main opensuse linux system. btrbk is: Backup tool for btrfs subvolumes, using a configuration file, allows creation of backups from multiple sources to multiple destinations, with ssh and flexible retention policy support (hourly, daily, weekly, monthly). More replies. Subvolumes replace partitions. You also get control over the location of snapshots, it lets you create backups from snapshots and even archive them to external disks. I haven’t had a chance to test that, but hopefully it works. I use some scripts I made called btrbk-pac so that every time I use pacman, I get snapshots before and after the transaction, logging the affected packages in a file (tbh I'm not super proud of the solution, and started making a cleaner Rust version some months ago which uses yaml for configs, but never I've been using Btrfs on and off for ten years or so. Either way, the only way to use Fedora35 now is using the Rescue boot loader entry, and not a normal entry. If you really want to use filesystem snapshots, you need to make the send incremental relative to a parent snapshot which both filesystems already store. The command is using ssh to connect to the remote server securly (a password will be required or a preshared key for ssh to connect) “/mnt/backups/” is my live backup mount and “ username@moon. Chroot to the subvolume and update grub. I'm totally new to this. Don't do other weird things like partitions. above. If you do not use a cron daemon, you will need to use the systemd service and timer. ] Ástþór IP . 00 drive. SnapshotsandBackupsSnapshots as well as backup subvolumes are Jens Erat 2,293 2 21 34 Add a comment 3 Answers Sorted by: 10 I've been using "btrfs send" for backups for a while. I'm trying to send a file to a remote system: @ravi@svelte:~$ scp /etc/btrbk/btrbk. > > Graham ^ permalink raw reply [flat|nested] 5+ messages in thread That's good to know, thanks. I can't move my snapshots to another drive nor btrbk. falke: a pain to see them in snapper you have to change the rights, but also to restore them, you have to change the rights back to root (when you’ve changed them to see them in snapper) You shouldn’t have to change the ownership of the files in the snapshots. btrfs. Snapshots and Backups 1. This includes sending btrfs snapshots to remote hosts. Yabsm is less feature rich than btrbk or snapper. 'Issue' is you will have duplicate backups on . But it can be easily told to do what you want too. Which is not ideal. See btrbk archive command in btrbk(1) for . btrbk Command Examples. txt. I personally just use btrbk to have hourly snapshots taken for my /home directory, which automatically syncs the snapshots to my NAS via SSH (a Rockstor NAS, so it has btrfs as well). x with Timeshift to roll back to a previous version of /, and having two weeks to learn Fedora, I decided to go with Fedora35 with btrfs. If set to “directory”, use parents strictly below snapshot/target directories. Tutorial This tutorial contains the necessary steps to setup a recent version of Snapper to take automatic snapshots of a system’s root directory and a user’s home directory using Btrfs. Sometimes I could log in, but blindly because cranking up the monitor brightness showed a barely visible text from the GDM, but also to black screen desktop. In this guide I will show how to install Fedora 35 with automatic system snapshots and backups using BTRBK which will regularly take (almost instant) btrfs snapshots of the system and send/receive these to a backup disk given a chosen retention policy. I’ve written about how I use snapshots on btrfs using . btrfs filesystem balance /backups. I’m new to btrfs, and the first thing I’m struggling to understand is. The point of these binaries is to allow privilege separation using capabilities(7) so btrfs itself The second will place the received /<snapshot_of_@on_external_drive> so you probably want to first mount the btrfs partition somewhere without "subvol" specified. I use Arch on all machines, root and home subvolumes using zstd compression level 3. This guide will show you how to setup a debian VM on TrueNAS Core to receive btrbk snapshots. Again, btrbk is set up with that guide of Mutschler. Somehow it was writing and Btrbk has that functionality built in that uses btrfs incremental send in the backend. # btrfs subvolume list <path to btrfs drive/fs>. ) Duplicacy has a nice The benefits of using open-vm-tools include improved stability as the package is optimized for each distribution, automatic updates smaller footprint. I think I did exactly > this a long time ago when I was in a similar position of wanting to move > my btrbk setup. For this guide, it will be assumed that only 32GB of storage is needed for OS files, and that 1TB of storage is needed for btrbk storage. I install Sound Input & Output Device Chooser using Firefox. Backups via snapshots automatically stop at subvolume boundaries, meaning that container content is not backed up. You can use a calculator to find out what your available storage will be. I have a module for btrbk, including ssh archiving. btrbk would be fully replacing snapper, including for the part where you do the hourly backups. Therefore I am wondering if the preferred snapshot should be in /_btrbk_snap/ instead of /btrfs_backup/. Resizing the btrbk storage is theoretically possible but TBD for this guide. snapshots, using the following configuration file: snapshot_preserve_min 30d volume / snapshot_dir . conf: Name or service not . But others might need it and I might need it again in the future. !! recently i encountered a slight hiccup related to rollback form snapshots (not backup). Easiest is to simply create a new snapshot using <snapshot_of@_on_external_drive> as basis. Snapshots are one half of my “whoops, there goes all my work” strategy (backups are the other half). To set up btrbk, I used this nice guide Fedora Workstation 35 with automatic btrfs Most importantly, and the main reason I created yabsm in the first place, is that the configuration is easy to learn and understand. It's configuration allows you to specify where the snapshots are created. In addition to backups, btrbk can also keep a list of Btrfs snapshots locally on your PC. running sudo btrbk ls -L / will yield an outp I'm trying to mount two btrfs subvolumes from a same (luks-encrypted) device via the entries in fstab. I have F35 running with BTRBK snapshots. someserver. Please note that these articles do not suggest that you avoid backup software or well-tested backup plans. Reboot. 5. For further documentation on btrbk see btrbk - README. Reply reply . Rsync (For desktops & servers) Last but not least, there’s Rsync. timer available. In Gnome Tweaks I make the following changes: Disable “Suspend when laptop lid is closed” in General. snapshots and /home/. It turns out that you just have to specify the id of the subvolume. Installing open-vm-tools on Debian Linux is very easy, just install the package using apt-get and [. conf or in package. Set this to “directory” if you get access problems (when not running btrbk as root). WorMzy. Install btrbk package . Also with Snapper you are forced to create snapshots within the snapped subvolume. I don't use snapper myself, but when looking at its feature list I'd say: For backup purposes, use btrbk I use btrbk to backup my SSD drive to my HDD. Hi all, First of all, apologies if this was asked before, but I'm trying to figure out if btrbk can fit my workflow. Creating a first backup takes a long, then creating a second backup goes much faster because of the deduplication. I'm trying to make my own scripts and this will help correlating local vs remote data even as I rename or move remote subvolumes. Currently, this is not encrypted. (Although btrbk-pacman-hook is another option. Reply reply Zardoz84 • btrbk automates creating snapshots and doing backups to another medium. Rsync is the most basic yet powerful backup application for Unix-like systems. (btrbk only does making backups, restoring is something you need to manually). Make sure you use raid for btrfs so that it can autoheal corrupted bits. The first step leaves me very confused: Create SSH key pair on the client: ssh Introducing btrbk: btrbk manages btrfs snapshots and sends them to a remote backup location. Although this works, I prefer to use the normal way. e. It's recommended to always use the status command to see in advance what files snapper will process. Also I recommend when you solve your issues to take a look at btrbk: digint. Btrfs/System Root Guide - Use the Btrfs filesystem as a collection of subvolumes including one as a system root. Alternatively, consider using "btrfs-progs-sudo" or "btrfs-progs-btrbk" backends, both of which allows you to run btrbk as a regular user. 1. I can't fully make sense of the instructions to setup btrbk-via-SSH. I booted up and later the drive was flashing, but never mounted. Exclude subvolumes matching <pattern> from archiving. I have been using it for long but never took the time to upstream it. btrbk only supports Btrfs, no other filesystem. As the configuration file will be at the standard location, you can use btrbk as root to manually list or prune your snapshots in case you need to, like immediately reclaiming disk space. Btrbk can either push the data from the server to the backup-client or have the backup-client pull the data. The source and target locations are specified in a config file, which allows to easily configure simple scenarios like "laptop with locally attached backup disks", as well as more Comment to the btrbk configuration: Snapshots are stored as backups on a remote host. I use this to safeguard against accidental data deletion. It does not handle resuming broken transfers. The archive feature is the one btrbk feature I have not explore yet. I'm way more familiar with that for snapshots and remote backup (with resuming supported) Btrbk, a tool for creating snapshots and remote backups of btrfs subvolumes. Combine btrbk and Timeshift. The only non-standard Linux dependency YABSM uses is btrfs-progs which you will have installed if you are using btrfs YABSM scales well so you can use it to snapshot many subvolumes and backup to many locations. conf(5) for details. instances != {}; attr2Lines = attr . Their goals are to show a great feature of this file system, snapshots, and to inspire curiosity and invite you to explore, experiment and btrbk is the one I am currently using and it meets most of the requirements mentioned in the question. See #Enable/disable. Personally I did not use btrbk and snapraid-btrfs for the same data. sshAccess != []; serviceEnabled = cfg. See 1. There's timeshift, snapper, btrbk for snapshots and borg and restic for deduplicated backups. Also the ability to use an external disk as an archive is great, I made use of a systemd service that will get triggered by udev once I plugin my archive disk. Snapshots don't take space unless data starts to change. Partly related to #280 I try to capture all logs in order to parse later to get statistics, like so: btrbk -c conf. I’m struggling figuring out how to setup and use btrbk to make snapshots and sending it to an external drive and or ssh incremental snapshots to a different computer/server. Snapper and btrfs is new to me as well, I have search high and low to try and figure out how to send receive snapshots to an external drive and how to use it in a disaster recovery. Assume this package will be named btrbk-pac. ) Alternatively, you can just create a snapshot of @root called @ and boot that instead (again, updating refs. btrfs filesystem resize <devid>:max /path. Uninstalling NVIDIA drivers did not help. HI, I’m new to OpenSuse, but coming from Arch linux. Snapshots are great for many things but not for the purpose of backups . While browsing the forum, I found relatively few questions I just want to initiate a btrbk from my server and use the parents PC purely as a backup target. If Yep. The entries are: Objective: Use btrfs to create periodic snapshots of the system that make it easy to recover individual files, or the entire system should you accidentally screw everything up. Now I would like to use btrbk to backup to a ssh target: a pc at my parents. On Linux kernels older than 5. You will boot to the subvolume. Reload to refresh your session. If you want to use borg, just use borg directly on the files you want to back up. When transferring backups of root filesystem snapshots using Btrbk, it is recommended to mount the root Btrfs drive with subvolume id 5 (in this example /dev/sda1) to a specific mountpoint where Btrbk can operate with. (Either globally in make. \n The main question is : How to rollback "/home" and "/" snapshot on btrbk I found myself a bit perplexed. org btrbk is a backup tool for btrfs subvolumes, taking advantage of btrfs specific capabilities to create atomic snapshots and transfer them incrementally to a target btrfs filesystem. I use btrbk for daily incremental backups on my second hard drive. The retention policy, as well as most other options can be defined either globally or within a section. I understand btrbk can pretty much cover all snapper use cases, but for the time being I Method #1: In the case of btrfs, look at btrbk, which automates taking snapshots, copying them and encrypting them. So in this case all subvolumes will be available as a On BTRFS file format, I’ve had 4 corruptions of the file system where I couldn’t recover any files. Use btrbk tool to configure retention and such. Note the filesystem has to be resized to fully take advantage of a larger target device; this can be achieved with. ). If you want to use nested subvolumes on the target filesystem, you need to create them by hand (e. services. But I really need a good backup solution and I would like to profit from btrfs and btrbk how to rollback snapshots using btrbk Hii. The main disadvantage of this is that you will need the full chain to restore an backup. See also snapper-configs(5). By default POP!_OS uses Logical Volume Management (LVM), where our encrypted partition (called cryptdata) is a physical volume that contains a volume group called data. ) In the case where btrbk-pac is being uninstalled, it might be best to not run the btrbk is awesome. Disable “Activities Overview Hot Corner” in Top Bar. Here's an example of atom getting killed by systemd-oomd: Mar 20 22:18:34 x505za systemd-oomd [1020]: Memory pressure for Awesome. I used to use btrbk to do my snapshots and backup them to a HDD. I have seen btrbk mentioned in several posts on this subject, but I'm not able to tell if it is widely regarded as the preferred tool for this use-case. Some files are excluded, e. Then you need to get rid of the read only tag. See also. Say the upgrade borks your system in some way. /etc/mtab. Do it with BTRBK, it leverages BTRFS send/receive to schedule the creation of snapshots, sent them to backup locations (local, remote, even USB drives) or retrieve them from your PC (if installed on the backup location). I use btrbk to make automated snapshots to a permanently-mounted drive and then manual backups to the usb drive. . Only use btrbk, and learn how to manually restore from an external device. It is also Hey people! I use the Fedora BTRFS setup just “cuz it works” and it is fine. It also manages your preferences for how many snapshots/backups/archives to keep. ; Btrfs native system root guide - An alternative guide on using a subvolume in a Btrfs filesystem as the system's root. The format can be configured using the timestamp_format option, refer to btrbk. Note that you can continue using btrbk after swapping your backup disk with the archive disk. More recently I stopped having a need for snapraid. Deduplication only This will actually work. Refer to configuration option backend in btrbk. g. Make good use backups with the help of btrfs in the future. As a nice side effect, this also detects possible read-errors on your backup targets (Note that a "btrfs scrub" is still more effective for that purpose). I know little about the inner workings of btrbk, but as far as I can grok, typically the snapshots are not backups per se, because you couldn't remove them from the pc and use them to restore from a blank/corrupted slate, as they're not full copies but just the changes compared to original/last snapshot. With a systemd service, it's running once a day, so I'll have for 30 days of snapshots to restore my system if needed. A snapshot timeline can be created with a Thanks. Defaults to “mountpoint”. conf (5) btrbk is a tool for creating incremental snapshots and remote backups of Btrfs subvolumes. a disk having a btrfs root subvolume (subvolid=5) mounted on/mnt/btr_pool, containing a subvolume rootfs for the rootfilesystem (i. The btrbk configuration file specifies which btrfs subvolumes on the filesystem are to be processed, what target subvolumes should be used to create the backups, and where the snapshots should be generated. A robust approach is to use external disks as archives (secondary\nbackups), and regularly run \"btrbk archive\" on them. Switch to btrbk instead. Since you're actively booted into @root, you'll need to boot a liveCD, mount the btrfs filesystem, and move the @root subvolume there (and update references, etc. I didn't realize we could peer into such info. amstan • 2 yr. Docker itself uses the btrfs file system driver, docker volumes are all automatically created as btrfs subvolumes. I turned the drive off. It is Btrbk is a backup tool for Btrfs subvolumes, taking advantage of btrfs specific capabilities to create atomic snapshots and transfer them to a target backup Download Donate btrbk is a backup tool for btrfs subvolumes, taking advantage of btrfs specific capabilities to create atomic snapshots and transfer them incrementally to your Answer 1: Use "btrbk archive" A robust approach is to use external disks as archives (secondary backups), and regularly run "btrbk archive" on them. The pattern accepts wildcard character "*", and is matched against the end of the pathname. However, You will be limited by the size of the smaller drive. I successfully created snapshots of my system On the client side, create a ssh key dedicated to btrbk, without password protection: # ssh-keygen -t rsa -b 4096 -f /etc/btrbk/ssh/id_rsa -C btrbk@example. I only have snapshots. Either by physically attaching and detaching hard disks and carrying them to a different location or by sending the data to a computer located far away. Literally a vanilla Debian, made the volume, installed NFS and Samba, and left it alone for a long time. It's on the root of the btrfs filesystem (subvol=/). It is used for simple backups to an external hard drive as well as more OPTIONS-h, --help Prints the synopsis and a list of the commands. Snapshot organization. I use some scripts I made called btrbk-pac so that every time I use pacman, I get snapshots before and after the transaction, logging the affected packages in a file (tbh I'm not super proud of the solution, and started making a cleaner Rust version some months ago which uses yaml btrbk cannot undo changes made between two snapshots (even though it can show what changed) nor can it rollback a system to certain point in time.