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    Recommended backup strategy for VMs/CTs/zfs datasets

    Adding to what @oversite said: If they follow through with their roadmap, the first release will be in Q4/2020 -> in the next two months. It is pretty stable already and we are on 0.9-4, so pretty close to beeing officially released.
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    External PBS copy

    It doesnt have to be the same capacity, but you should have more capacity than storage space beeing used on your main pool. So in your case any drive >172GiB is sufficient. Those storage requirements will probably grow in the future though, so make sure you get a large enough drive.
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    External PBS copy

    Quick rundown: Mount your drive to the location you want (e.g. /mnt/), in this example we will use /the/mountpoint/of/the/drive. Add a Datastore and point it to the external drive: Now add the PBS itself as a "Remote" like so: You will need to set the Userid to a user that actually exists...
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    External PBS copy

    If you can mount your cloud drive or whatever you are using to your PBS instance, a sync job to localhost would probably be the best way.
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    Roadmap for PBS

    I‘m currently using eve4pve-barc for proxmox, bareos and rsync :-D will try to phase out bareos and keep rsync for the proxmox nodes and hardware that doesn’t run Buster. eve4pve is a neat little script, but backup times are just insane for us, takes 20 hours for the backup to finish, if the...
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    [SOLVED] After syncing to a new datastore: backup owner check failed (pve-user@pbs != backup@pam)

    Thank you for that example, I‘ll stick to the „hacky“ way suggested by oversite as I can easily change owners for all Backups at once. But good to have nonetheless!
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    [SOLVED] Pruning: What happens when removing a VM and later creating a new one with the same ID

    How I understand it: The first backup kinda has to be a full backup, that makes sense. But the incrementals aren’t your traditional incrementals where the first „state“ of the VM never changes. PBS just keeps the chunks it needs for the last X days you specified. If you reached the prune...
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    [SOLVED] After syncing to a new datastore: backup owner check failed (pve-user@pbs != backup@pam)

    Hi, I wanted to switch to a new datastore (store02) (on different disks) so did the following: Add a second datastore to the pbs server (store02) Added a remote with localhost and the store02 datastore Ran a sync from store01 to the "remote" localhost:store02 Removed store01 Modified the...
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    [SOLVED] Should you use compressed ZFS Pools?

    Hello, I was wondering if using the compression feature on ZFS Pools is worth it. The press release of PBS states the following: And in Proxmox you can enable ZSTD compression. Usually compressing already compressed data doesn't really work that well and just creates overhead, has someone done...
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    Datastore Verify on verified snapshots

    Hi, To understand why this is not done on every Backup and why it verifies old backups again you have to understand what „Verify“ does: It calculates hashes of all chunks and compares them to what they were when getting backed up first. This helps to find bits that flipped or are rotten just...
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    [SOLVED] Pruning: What happens when removing a VM and later creating a new one with the same ID

    Hello, let's start with the following scenario: I created a VM with Windows and ID 110. The VM is backuped by PBS with a pruning of keep-daily=7. I no longer need this VM and decide to delete it. When deleting the backup does not automatically get deleted as well. Question 1: If I waited 7...
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    [SOLVED] What are the needed permissions for PBS integration in PVE

    Hello, I wanted to know what permissions I actually have to give to the PVE-User to successfully backup to a datastore. What permission"path" does the user need and which role for that path? Dont want to grant a / superadmin if not neccessary. Did not find notes related to that in the...
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    How to restore Windows guest files from Proxmox Backup Server?

    What you can currently do: Restore the Machine as a second VM (aka click on datastore->contents->choose backup-> restore and dont hit the backup tab in the vm which would replace the VM) and make sure it is stopped. Follow the instructions on this page to move the drive to your old machine...
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    Snpashot Backup freeze's VMs randomly

    Are you up-to-date with PBS? It looks like it is issuing a fs-thaw command successfully
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    Snpashot Backup freeze's VMs randomly

    The backup calls a fsfreeze and fsthaw while snapshotting. can you check the logs if it successfully did a thaw on the machine or if it timed out?
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    Instant mount / start of vm from pbs backup

    I was having a bit of a brainfart, the disk format of course is the same for whatever storage backend was used in the first place once backed up with pbs. What packages are needed for this to work btw? qemu-utils for the qemu-nbd, but what package provides the pbs format for qemu-nbd?
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    Instant mount / start of vm from pbs backup

    Is there a way to accomplish the same with a CPEH RBD Setup?
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    Restore Disk as secondary drive in PVE

    How do I do that? Tried adding a second drive to the VM and then restore with proxmox-backup-client restore vm/101/2020-09-18T09:16:53Z drive-virtio0.img /dev/vdb but that doesn't work
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    Restore Disk as secondary drive in PVE

    Hello, we are currently using eve4pve-barc for backing up our Proxmox Cluster but are interested in using PBS in the future. One feature missing (or maybe it is there, just well hidden and I didn't catch it in the documentation): Restoring a disk without replacing the original drive. Sometimes...
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    [SOLVED] Can't start Backup: parameter 'benchmark': schema does not allow additional properties

    Hello, I just set up a PBS and wanted to try it with my PVE Lab consisting of 3 nodes and CEPH storage at the latest version (6.2-11) I added my PBS Storage and started a Backup to my storeage with ZSTD compression, Snapshot mode. (All done via GUI) The task immediatly errors out with: ERROR...