Only transfer snapshots #560
Comments
archive_preserve 2w
archive_preserve_min latest
incremental yes
lockfile /var/log/btrbk/btrbk.lock
preserve_day_of_week monday
#send_compressed_data no
#send_protocol 1
snapshot_create onchange
snapshot_preserve 14d 5w 2m
snapshot_preserve_min 1w
ssh_identity /root/.ssh/id_ed25519
stream_buffer 5%
stream_buffer_remote 5%
stream_compress lz4
stream_compress_adapt no
stream_compress_level default
stream_compress_threads default
target_preserve_min 1w
timestamp_format long-iso
transaction_log /var/log/btrbk/btrbk.log
###################################################################################
volume /mnt/btrfs-top-lvl/
group all,cron,local
#-------------------------------------
subvolume volumes/root
group root
snapshot_dir snapshots/root
target send-receive /mnt/local/data/snapshots/root
group localdata
target_preserve 5d 5w 3m
target send-receive /mnt/usb/mobiledata/snapshots/desktop_one/root
group mobiledata
target_preserve 30d 8w 12m 3y
#-------------------------------------
subvolume volumes/home
group home
snapshot_dir snapshots/home
target send-receive /mnt/local/data/snapshots/home
group localdata
target_preserve 14d 8w 6m 1y
target send-receive /mnt/usb/mobiledata/snapshots/desktop_one/home
group mobiledata
target_preserve 30d 24w 12m 8y
#-------------------------------------
subvolume volumes/data
group data
snapshot_dir snapshots/data
target send-receive /mnt/local/data/snapshots/data
group localdata
target_preserve 3d 4w 6m
target send-receive /mnt/usb/mobiledata/snapshots/desktop_one/data
group mobiledata
target_preserve 6d 8w 12m 2y
#-------------------------------------
subvolume volumes/vm
group vm
snapshot_dir snapshots/vm
target send-receive /mnt/local/data/snapshots/vm
group localdata
target_preserve 1m
target send-receive /mnt/usb/mobiledata/snapshots/desktop_one/vm
group mobiledata
target_preserve 6m 1y
#-------------------------------------
subvolume volumes/workspace
group workspace
snapshot_dir snapshots/workspace
target send-receive /mnt/local/data/snapshots/workspace
group localdata
target_preserve 14d 8w 6m 1y
target send-receive /mnt/usb/mobiledata/snapshots/desktop_one/workspace
group mobiledata
target_preserve 30d 24w 12m 8y
###################################################################################
volume ssh://laptop_one/mnt/btrfs-top-lvl/
send_compressed_data yes
send_protocol 2
group all,cron,remote,ssh,laptop_one
#-------------------------------------
subvolume volumes/root
group root
snapshot_dir snapshots/root
target send-receive /mnt/local/data/archive/laptop_one/root
group localdata
target_preserve_min latest
target_preserve 2w
target send-receive /mnt/usb/mobiledata/snapshots/laptop_one/root
group mobiledata
target_preserve 30d 8w 12m 3y
#-------------------------------------
subvolume volumes/home
group home
snapshot_dir snapshots/home
target send-receive /mnt/local/data/archive/laptop_one/home
group localdata
target_preserve_min latest
target_preserve 2w
target send-receive /mnt/usb/mobiledata/snapshots/laptop_one/home
group mobiledata
target_preserve 30d 24w 12m 8y
#-------------------------------------
subvolume volumes/data
group data
snapshot_dir snapshots/data
target send-receive /mnt/local/data/archive/laptop_one/data
group localdata
target_preserve_min latest
target_preserve 2w
target send-receive /mnt/usb/mobiledata/snapshots/laptop_one/data
group mobiledata
target_preserve 6d 8w 12m 2y
#-------------------------------------
subvolume volumes/vm
group vm
snapshot_dir snapshots/vm
target send-receive /mnt/local/data/archive/laptop_one/vm
group localdata
target_preserve_min latest
target_preserve 2w
target send-receive /mnt/usb/mobiledata/snapshots/laptop_one/vm
group mobiledata
target_preserve 6m 1y
#-------------------------------------
subvolume volumes/workspace
group workspace
snapshot_dir snapshots/workspace
target send-receive /mnt/local/data/archive/laptop_one/workspace
group localdata
target_preserve_min latest
target_preserve 2w
target send-receive /mnt/usb/mobiledata/snapshots/laptop_one/workspace
group mobiledata
target_preserve 30d 24w 12m 8y
###################################################################################
volume ssh://server_one/mnt/btrfs-top-lvl/
group all,cron,remote,ssh,server_one
#send_compressed_data no
#send_protocol 1
#-------------------------------------
subvolume volumes/root
group root
snapshot_dir snapshots/root
target send-receive /mnt/local/data/archive/server_one/root
group localdata
target_preserve_min latest
target_preserve 2w
target send-receive /mnt/usb/mobiledata/snapshots/server_one/root
group mobiledata
target_preserve 30d 8w 12m 3y
#-------------------------------------
subvolume volumes/home
group home
snapshot_dir snapshots/home
target send-receive /mnt/local/data/archive/server_one/home
group localdata
target_preserve_min latest
target_preserve 2w
target send-receive /mnt/usb/mobiledata/snapshots/server_one/home
group mobiledata
target_preserve 30d 24w 12m 8y
#-------------------------------------
subvolume volumes/data
group data
snapshot_dir snapshots/data
target send-receive /mnt/local/data/archive/server_one/data
group localdata
target_preserve_min latest
target_preserve 2w
target send-receive /mnt/usb/mobiledata/snapshots/server_one/data
group mobiledata
target_preserve 6d 8w 12m 2y
###################################################################################
volume ssh://laptop_two/mnt/btrfs-top-lvl/
group all,cron,remote,ssh,laptop_two
send_compressed_data yes
send_protocol 2
#-------------------------------------
subvolume @/.snapshots/1/snapshot
group root
snapshot_dir @/.snapshots/root
target send-receive /mnt/local/data/archive/laptop_two/root
group localdata
target_preserve_min latest
target_preserve 2w
target send-receive /mnt/usb/mobiledata/snapshots/laptop_two/root
group mobiledata
target_preserve 30d 8w 12m 3y
#-------------------------------------
subvolume @/home
group home
snapshot_dir @/.snapshots/home
target send-receive /mnt/local/data/archive/laptop_two/home
group localdata
target_preserve_min latest
target_preserve 2w
target send-receive /mnt/usb/mobiledata/snapshots/laptop_two/home
group mobiledata
target_preserve 30d 24w 12m 8y
###################################################################################
# Reverse Backups
###################################################################################
volume /mnt/usb/mobiledata
group all,cron,reverse,mobiledata
snapshot_create no
#-------------------------------------
subvolume snapshots/desktop_two/root
target send-receive /mnt/local/data/archive/desktop_two/root
target_preserve_min latest
target_preserve 2w
#-------------------------------------
subvolume snapshots/desktop_two/home
target send-receive /mnt/local/data/archive/desktop_two/home
target_preserve_min latest
target_preserve 2w
#-------------------------------------
subvolume snapshots/desktop_two/data
target send-receive /mnt/local/data/archive/desktop_two/data
target_preserve_min latest
target_preserve 2w
#-------------------------------------
subvolume snapshots/desktop_two/vm
target send-receive /mnt/local/data/archive/desktop_two/vm
target_preserve_min latest
target_preserve 2w
#-------------------------------------
subvolume snapshots/desktop_two/workspace
target send-receive /mnt/local/data/archive/desktop_two/workspace
target_preserve_min latest
target_preserve 2w |
This was referenced Sep 27, 2023
|
In this setup, btrbk archive works like this: |
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How can I only transfer snapshots without creating new ones? I could use btrbk archive for that, but I try to integrate it into my central btrbk.conf.
The scenario is like this:
I have several machines. Each machine has a local data store. Then I have a mobile data store that I carry with from machine to machine. The mobile data store is the central store which will have all snapshots from all machines.
Each machine should send its snapshots to its own local datastore and also to the mobile datastore, if currently available. Each machine will also try to reach other machines to copy snapshots from them.
Now I added the section "Reverse Backups" in order to copy snapshots from mobile datastore back to the local datastore for backup duplication.
For instance. the attached example btrbk.conf is from desktop_one. It will send its snapshots to local and also mobile. It also tries to reach other machines like laptop_one, server_one and laptop_two, if available. It will also send their snapshots to the mobile datastore, but also to some archive dir on its local datastore. Because some machines don't see each other or only see each other online only infrequently, the machine should try to find snapshots from the central mobile datastore and copy them back to the local datastore.
I tried to follow the example https://github.com/digint/btrbk#example-multiple-btrbk-instances because this only sends without changing the source. But it seems I always need to reference the original subvolume of the snapshot. That doesn't work in my situation.
Being on desktop_one it should copy snapshot of desktop_two back from mobile to local, I have no access the the original subvolume at that time.
Is btrbk archive the only way to do that?
btrbk-public.conf.txt
btw. laptop_two is an OpenSuse machine, btrbk is adapting to the co-existing Snapper scheme there.
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