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Wed, 08 Sep 2021 02:38:30 -0700 (PDT) MIME-Version: 1.0 References: <CABMULt+s5D-BODXQYoRF9sE2_cS1ZB7hG+c-M-D9=+iLf=6XMg@mail.gmail.com> <99b82feffbce274c20bfefb18e41efd8@verdnatura.es> In-Reply-To: <99b82feffbce274c20bfefb18e41efd8@verdnatura.es> From: Alex K <rightkicktech@gmail.com> Date: Wed, 8 Sep 2021 12:38:19 +0300 Message-ID: <CABMULtLqqaWqZfNaTR1n7mWVhg4EnNN2PtR+dsb40i6NF0oB-Q@mail.gmail.com> To: Proxmox VE user list <pve-user@lists.proxmox.com> X-SPAM-LEVEL: Spam detection results: 0 AWL 0.027 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DKIM_SIGNED 0.1 Message has a DKIM or DK signature, not necessarily valid DKIM_VALID -0.1 Message has at least one valid DKIM or DK signature DKIM_VALID_AU -0.1 Message has a valid DKIM or DK signature from author's domain DKIM_VALID_EF -0.1 Message has a valid DKIM or DK signature from envelope-from domain FREEMAIL_FROM 0.001 Sender email is commonly abused enduser mail provider HTML_MESSAGE 0.001 HTML included in message POISEN_SPAM_PILL_4 0.1 random spam to be learned in bayes RCVD_IN_DNSWL_NONE -0.0001 Sender listed at https://www.dnswl.org/, no trust SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: Re: [PVE-User] VM storage and replication X-BeenThere: pve-user@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE user list <pve-user.lists.proxmox.com> List-Unsubscribe: <https://lists.proxmox.com/cgi-bin/mailman/options/pve-user>, <mailto:pve-user-request@lists.proxmox.com?subject=unsubscribe> List-Archive: <http://lists.proxmox.com/pipermail/pve-user/> List-Post: <mailto:pve-user@lists.proxmox.com> List-Help: <mailto:pve-user-request@lists.proxmox.com?subject=help> List-Subscribe: <https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user>, <mailto:pve-user-request@lists.proxmox.com?subject=subscribe> X-List-Received-Date: Wed, 08 Sep 2021 09:39:08 -0000 On Wed, Sep 8, 2021 at 12:32 PM nada <nada@verdnatura.es> wrote: > hi Alex > in case you have a limited budget now > you may do backups local backups but it is not recommended by some cheap > NAS ASAP > > temporal solution: > 1. create some filesystem LVM/ext4 @node1 and mount at /mnt/backup > 2. install NFS server @node1 and export /mnt/backup to node2 > 3. install NFS client @node2 and create mountpoint /mnt/backup > 4. edit fstab @node2 example > node1:/mnt/backup /mnt/backup nfs > defaults,noatime,bg 0 2 > 5. mount /mnt/backup > 6. add directory to your proxmox storage via webGUI > or add to /etc/pve/storage.cfg example > > dir: backup > path /mnt/backup > content vztmpl,backup,iso > > after this you will have backups accessible at both nodes > hope it will help you > Hi Nada, Thanx for your feedback. I will definitely include a NAS into the final setup for exporting the backups. I was just wondering about how I would sync local backups between the nodes for an additional local copy and your suggestion seems a nice work-around to me without adding any other custom scripts. Nada > > On 2021-09-08 10:05, Alex K wrote: > > Hi all, > > > > I have setup a dual server setup, with latest proxmox v7.x. Each host > > with > > its own local storage. No shared storage (CEPH, GlusterFS). > > > > I understand I can have VMs hosted on top LVM with qcow2 disk images or > > on > > top thin LVM as raw thin LVM volumes. On both cases I still keep the > > option > > to be able to perform VM backups. Which one is the preferred way > > according > > to your experience? I will try to do some quick tests on the IO > > performance > > between the two. > > > > Also, I was thinking to replicate the VMs from one host to the other. I > > understand that for the Proxmox integrated replication feature I need > > ZFS > > backed storage. As I am not much into ZFS, although I really enjoy > > FreeNAS > > and its great features and will definitely look into it later, I was > > thinking to prepare a custom script that would snapshot the LVM volumes > > where the VM images reside and sync the VM disks from one host to the > > other, using rsync, just for a local copy of them. Of course I will > > take > > care to have an external media also to periodically export the VMs for > > backup purposes, though I would like to have a local copy of the VM > > disk > > images at the other host, readily available in case I face issues with > > the > > external media or one of the hosts. What do you think about this > > approach? > > Am I missing some other feature or better approach? > > > > Regrading the sync/replication of the VMs between the hosts (without > > ZFS), > > I was thinking also to have a dedicated local LVM volume for these > > periodic > > backup jobs configured within Proxmox and then the custom script to > > just > > rsync these backup images between the two hosts. This seems a simple > > one > > though it increases the storage requirements, while with the previous > > approach with the custom script, the script would snapshot, sync to the > > other side and remove the snapshot without keeping a redundant local > > copy > > of the disk image in the same host. > > > > Sorry for the long read. > > Appreciate any feedback. > > > > Alex > > _______________________________________________ > > pve-user mailing list > > pve-user@lists.proxmox.com > > https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user > > _______________________________________________ > pve-user mailing list > pve-user@lists.proxmox.com > https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user > >