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Proxmox Backup server

Version 10.1 by Kevin Wiki on 2024/04/06 10:50

Configuration

Backup server is setup with:

  • zfs storage
  • access control - api tokens
  • datastore
    • sync jobs
    • prune jobs
    • verify jobs
    • permissions
  • timings and simulator

ZFS storage array

There are currently 2 x 8TB WD drives. Current pool status:

kevin@clio:~$ sudo zpool status pergamum
  pool: pergamum
 state: ONLINE
  scan: scrub repaired 0B in 09:52:23 with 0 errors on Sun Mar 10 10:16:24 2024
config:

        NAME                                            STATE     READ WRITE CKSUM
        pergamum                                        ONLINE       0     0     0
          raidz1-0                                      ONLINE       0     0     0
            scsi-0QEMU_QEMU_HARDDISK_drive-scsi2-part1  ONLINE       0     0     0
            sdc1                                        ONLINE       0     0     0

errors: No known data errors

Creating and expanding zfs pool

```
zpool create pergamum raidz /dev/disk/by-partuuid/9fab17e5-df2d-2448-b5d4-10193c673a6b /dev/disk/by-partuuid/f801ed37-1d6c-ee40-8b85-6bfc49aba0fb -f
zfs set mountpoint=/mnt/pergamum pergamum
(zpool import -c /etc/zfs/zpool.cache -aN)
zpool export pergamum
```

have not tried yet, but adding another set of disks for an additional top-level virtual device to our existing RAID-Z pool:
```
zpool add -n pergamum raidz DISK1 DISK2
```
> NOTE! `-n` is dry run, remove to commit.

Tailscale

Tailscale is used to create a network that uses wireguard to transparently between local and remote machines. To not require a third party a local instance of headscale is used as the tailscale login server.

Setting up a connection should only require `sudo tailscale up --login-server https://TAILSCALE_SUBDOMAIN.schleppe.cloud`.
To view the status: `sudo tailscale status`.

Client Configuration

Configure Backup on the Datacenter or PVE host level in the proxmox web GUI. If a backup storage is already added input the following preferences:

Selection mode: include selected VMs
Send email to: kevin.midboe+{PVE_HOSTNAME}@gmail.com
Email: On failure only
Mode: Snapshot
Enabled: True
Job Comment: {{guestname}}, {{node}}, {{vmid}}

Methodology

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Proxmox backup server

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