[SOLVED] Proxmox OS Drive Failed

[Skov]

Basically my OS SSD is failing, and I need to reinstall the OS on a new SSD. All my VM's are on a separate 2tb SSD, just the OS runs on the failing drive.

Basically I am trying to figure out the best method to take to move everything into a new install. Is this just a matter of copying config files over from the old drive to the new install?

Current setup:
500gb SSD Prox OS drive (currently failing slowly)
2tb SSD VM storage
10tb HDD pass through disk

Moving to:
128gb SSD Prox OS Drive
2tb SSD VM storage
10tb HDD pass through disk

I know cloning is an option, but it tends to be a bit of a pain when moving to a smaller drive, If I can do something along the lines of a fresh reinstall on the same version then just SCP the configuration files and everything in to recreate the same setup that would be ideal. If this is possible, I am unsure of what files exactly would need to be copied over.

Any guidance on the best method here is much appreciated.

 

[aaron]

The network config is stored in /etc/network/interfaces.
Guest configs are located in /etc/pve/qemu-server for VMs and /etc/pve/lxc for containers.
The last big thing you will need is the storage configuration located at /etc/pve/storage.cfg.

If you did make other customizations like kernel modules for PCI passthrough for example, you will have to make them again.

The best approach is probably to copy the whole /etc/pve directory somewhere safe so you can restore the needed configs.

 

[Skov]

Awesome! Thanks aaron, much appreciated. I test all my work stuff (work in QA for a firewall company) from that server and it had me freaking out a bit, thankfully I was already out this week when it decided to fail so gives me time to fix.

Thanks again!

 

[aaron]

If it is mission critical, you might want to set up that machine with a mirrored drive.
If you installed the machine with ZFS, you can even add the mirrored drive later. It is basically the steps to replace a failed boot disk from the docs regarding cloning of the partitions and such. The difference is, that you don´t replace the drive but attach it.

So it would be a zpool attach rpool <disk parttion 3> <new disk partition3>

Mentioning the first disk is important, so ZFS knows that you want to attach the new disk to the current one to create a mirror. If you leave that out, it will just attach it to the pool -> you know have a raid 0 like pool....

 

[Skov]

Nah nothing mission critical and not ZFS. Its just my home server with my torrenting/media share and a valheim game server, that I also use to spin up VM's for work. I moved my firewall to a mini pc to avoid any issues with internet dropping if it dies.

Thanks again!