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I would like backup linux host with proxmox-backup-client , is it possible? I've tried it and did 2 backups, the second one passed only 8 minutes less than the first (and it was only because I've deleted something).

Will be possible in near future setting SSL Certificate by GUI like in Proxmox? I don't know how to do it by CLI.

I did xfs_growfs /mnt/datastore/backup and now it's ok. Fixed now.

Sorry for not enough info. PBS is a vm on pve. I've resized disk on pve. On PBS tab "Storage / disks" it shows me device with new size. I've resized partition with cfdisk too but df -h shows me old size of partition.

I've resized disk used for datastore. PBS shows correct size on Storage / Disks but on datastore it's still smaller. What to do to fix it?

Don't worry, I'll do it on Monday and I'll let you know how I did it.

Thank you. I like especially: What happens after running this command? After starting the server, the system won’t boot :)

I'm trying to configure AD login to PVE GUI and it doesn't work. I set domain, server, fallback server on General tab. When I try to login, syslog says: authentication failure; rhost=172.16.16.18 user=Administrator@wodbud.local msg=no such user ('Administrator@wodbud.local') What I should to...

NFS share, qcow2 files.

Ad. 3 - how to do it with CLI?

I've got machine with 1000GB disk but it uses only about 60GB (when I backup it, it's 240GB of data) and I would like to change it to 100GB. It's Windows Server VM so I can shrink it in system. How to shrink it safely in pve?

Perfect. Thanks.

And it's full functional backup and I can restore it as new vm?

I did first backup of one vm from pve. On PBS used space increased only 3GB, in backup log I see "INFO: backup was done incrementally, reused 36.68 GiB (36%)". Does it mean that wasn't full backup? How to make incremental backup when we haven't got any full backup?

Thanks for quick response. So I should wait 24h 5m and rerun gc?

I've deleted all backups (66GB used) and pbs shows still 66GB used. After garbage collections, used space decreased to 38GB. What to do to decrease it to 0? I haven't got any backup.

I've installed pbs for testing. Then I've backed up one of my vms with 100GB hdd. After 3 next days I've got 3 incremental backups of that vm but used space on pbs is only 66GB. How is it possible? How it works? Maybe I haven't got full backup?

I did it for test only, deleted machine wasn't important , it was unused but backed up.

I don't want to do such operations intentionally, rather I thought about what will happen if I'll do that accidentally. I've tested it and I know now. Proxmox checks if any files exist, then creates new hard disk files with incremented number in name so it doesn't try to overwrite existing...

Both nodes use NFS as vm disks storage. What will happen if I create on first node vm with id e.g. 120, backup it and try restore it on the second node with id 101 (first node has vm 101 with hdd file on that same nfs share already). Will it overwrite my working machine?