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iSCSI and NBD vs remote shares for Proxmox backups, templates, images?
I'm experimenting with Proxmox on VPSs and I want to set things up so that the storage for running VMs are stored on the local NVMe drives and the backups, templates, images etc are stored on remote servers, ie they are not part of the local network.
From what I understand iSCSI and NBD are presented as block storage which are attached and formatted as local drives.
Will using them for Proxmox be better than some encrypted remote file shares like Samba, NFS, SSHFS etc.
My problem with Proxmox is that when you install it tried to partition the available storage in its own manner, probably for the the thin LVM provisioning and such like.
I don't mind that, but I'd prefer it to use remote storage for the non VM files.
If I could find a way to reassign the mounts used for storage to other devices and dedicate the local NVMe/SSD for the working VMs I would be happier.
Does Proxmox have some configuration files which can be edited to point some kinds of storage to other drives, ie, stop Proxmox, copy the files to the new locations, edit the configuration files and leave Proxmox none the wiser after it restarts?
Comments
Read the docs. You can create additional "storages" and configure which type of files can be stored on them. Supports quite a bunch of different systems.
No need to fiddle with any config files.
For partitioning you can install debian with your own wanted partitions first and then proxmox over it instead of using the ISO in the first place ...
Can you help me with a direct link to the necessary part of the docs?
That is how I install Proxmox, install Debian first then run the Debian installer, but even then Proxmox seems to want to install its own partition scheme.
Is there a way to tell it which directories or storage to use for the different kind of files during the installation?
By default it simply puts everything in some dirs in /var/lib/vz
In the UI go to the DC section and pick storage from the middle menu. On the right side you will then be able to add more storages which can be just different paths/directories for different types
Or even remote storages of different types.
You can have them in parallel, so no need to have only one per type and after you sdded them they'll become available in other menus where yoz can select a storage...
Docs: https://pve.proxmox.com/pve-docs/chapter-pvesm.html