Changes for page Proxmox Backup server

Last modified by Kevin Wiki on 2024/05/21 21:23

From 3.1 to 2.1 From 26.1 to 25.1

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25.1

edited by Kevin Wiki
on 2024/04/06 14:25

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3.1

edited by Kevin Wiki
on 2024/02/17 20:53

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--Following provides setup steps, configuration explanation and application instructions for backup server. This box both generates backups and syncs them to remote locations. View general backup explanation page [[Server backup>>doc:infra.Backup.WebHome]] for high-level information.
++= Methodology =
--(% class="wikigeneratedid" %)
--Web GUI: [[https:~~/~~/clio.schleppe:8007/#pbsDashboard>>url:https://clio.schleppe:8007/#pbsDashboard]]
++Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
--= Backup Server configuration =
++== Sub-paragraph ==
--Backup server is setup with:
++Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
--* zfs storage
--* access control - api tokens
--* datastore
--** sync jobs
--** prune jobs
--** verify jobs
--** permissions
--* timings and simulator
++= Proxmox backup server =
--== ZFS storage array ==
++=   =
--There are currently 2 x 8TB WD drives. Current pool status:
++Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
--(((
--{{code language="none"}}
--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
--{{/code}}
--)))
++== Sub-paragraph ==
++Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
--=== Creating and expanding zfs pool ===
++== Sub-paragraph ==
--(((
--{{code language="none"}}
--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
--{{/code}}
++Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
  )))
--(((
--have not tried yet, but adding another set of disks for an additional top-level virtual device to our existing RAID-Z pool:
--
--{{code language="none"}}
--zpool add -n pergamum raidz DISK1 DISK2
--{{/code}}
--
--
--~> NOTE! `-n` is dry run, remove to commit.
--)))
--
--
--== Access Control ==
--
--Each client host that wants to backup their contents to the backup server should have their unique API token for authentication.
--
--API Token:
--
--* user: [[root@pam>>mailto:root@pam]]
--* token name: CLIENT_NAME
--* expire: never
--* enabled: true
--
--Permissions - Add a API Token Permission:
--
--* path: /datastore/proxmox-backup/CLIENT_NAME
--* api token: root@pam!CLIENT_NAME
--* role: DatastoreBackup
--* propagate: true
--
-->Note! The path will not be define until after the Datastore namespace is define in the steps below
--
--== Proxmox datastore ==
--
--If none exists create the datastore. Ours point is named `proxmox-backup` and points to ZFS storage mounted at `/mnt/pergamum`. All references to `proxmox-backup` referes to what you named it as in the create step here.
--
--=== Namespace ===
--
--Namespaces is what we will use in a datastore to separate permissions to each host. It's important to create these for the API tokens create in Access Control section above.
--
--=== Prune & Garbage collect ===
--
--We don't require backups for every day of the year. Pruning lets you systematically delete older backups, retaining backups for the last given number of time intervals. There exists a fantastic simulator that can be used to experiment with different backup schedules and prune options: [[https:~~/~~/pbs.proxmox.com/docs/prune-simulator/>>https://pbs.proxmox.com/docs/prune-simulator/]]. The current configuration is:
--
--* datastore: proxmox-backup
--* namespace: root
--* keep last: 4
--* keep: hourly: -
--* keep daily: 6
--* keep weekly: 3
--* keep monthly: 6
--* keep yearly: 4
--* max_depth: full
--* prune schedule: 0/6:00
--* enabled: true
--
--=== Verify jobs ===
--
--Current configuration is:
--
--* local datastore: proxmox-backup
--* namespace: root
--* max-depth: full
--* schedule: daily
--* skip verified: true
--* re-verify after: 30 days
--
--=== Permissions ===
--
--Permissions are explained in the Access Control section above, but it can be easier to configure permissions from the datastore. Navigate to the datastore Permission tab and add API Token Permission:
--
--* path: /datastore/proxmox-backup/CLIENT_NAME
--* API Token: root@pam!CLIENT_NAME
--* Role: DatastoreBackup
--* Propagate: true
--
--= 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.
--
--{{code language="bash"}}
--curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/focal.noarmor.gpg | sudo tee /usr/share/keyrings/tailscale-archive-keyring.gpg >/dev/null
--curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/focal.tailscale-keyring.list | sudo tee /etc/apt/sources.list.d/tailscale.list
--
--sudo apt-get update
--sudo apt-get install tailscale
--
--systemctl status tailscaled.service
--sudo tailscale up --login-server SUBDOMAIN.schleppe.cloud
--tailscale status
--{{/code}}
--
--Connect to headscale login server:
--
--{{code language="none"}}
--$ sudo tailscale up --login-server https://SUBDOMAIN.schleppe.cloud
--
--To authenticate, visit:
--
--        https://SUBDOMAIN.schleppe.cloud/register/nodekey:fe30125f6dc09b2ac387a3b06c3ebc2678f031d07bd87bb76d91cd1890226c9f
--
--Success.
--{{/code}}
--
--View more info in the docs: [[https:~~/~~/earvingad.github.io/posts/headscale/>>https://earvingad.github.io/posts/headscale/]]
--
--= Jottacloud client =
--
--Cloud backup provider used is jottacloud. They provide a cli to easily add directories to sync to their cloud backup storage.
--NOTE! This setup still uses user `kevin` and not the correct jottad user.
--
--(((
--{{code language="none"}}
--# install jotta-cli
--sudo curl -fsSL https://repo.jotta.cloud/public.asc -o /usr/share/keyrings/jotta.gpg
--echo "deb [signed-by=/usr/share/keyrings/jotta.gpg] https://repo.jotta.cloud/debian debian main" | sudo tee /etc/apt/sources.list.d/jotta-cli.list
--sudo apt-get update
--sudo apt-get install jotta-cli
--
--# configure runtime environment
--sudo useradd -m jottad
--sudo usermod -a -G jottad backup
--{{/code}}
--)))
--
--Create systemd file: `/usr/lib/systemd/user/jottad.service ` and enable with :
--
--(((
--
--
--{{code language="ini" layout="LINENUMBERS" title="/usr/lib/systemd/user/jottad.service"}}
--[Unit]
--Description=Jotta client daemon
--
--[Service]
--Type=notify
--# Group=backup
--# UMask=0002
--
--# EnvironmentFile=-%h/.config/jotta-cli/jotta-cli.env
--ExecStart=/usr/bin/jottad stdoutlog datadir %h/.jottad/
--Restart=on-failure
--
--[Install]
--WantedBy=default.target
--{{/code}}
--)))
--
--== Flaws ==
--
--Since proxmox backup server uses chunks for deduplicating data a complete file list is required. This makes it impossible to download a single file representing a VM or LXC, all files must be downloaded and imported into proxmox backup server for reconstruction.
--
--It also seems like there are a LOT of files shifting - being added and deleted. Making the diff uploaded to jottacloud huge.
--
--= 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: [[[email protected]>>mailto:[email protected]]]
--* email: on failure only
--* mode: snapshot
--* enabled: true
--* job comment: ~{~{guestname}}, ~{~{node}}, ~{~{vmid}}
--)))
--
--
  (% class="col-xs-12 col-sm-4" %)
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  {{box title="**Contents**"}}
  {{toc/}}
  {{/box}}
++
++[[image:[email protected]]]
++//Figure 1: [[Sea>>https://commons.wikimedia.org/wiki/File:Isle_of_Icacos_II.jpg]]//
++
++[[image:[email protected]]]
++//Figure 2: [[Waves>>https://commons.wikimedia.org/wiki/File:Culebra_-_Playa_de_Flamenco.jpg]]//
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