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[Question] Migrating and Upgrading Proxmox to New SSDs on Poweredge Safely (lemmy.ml)

submitted 3 months ago by brownmustardminion@lemmy.ml to c/selfhosted@lemmy.world

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With the EOL of PVEv7 and my need for more storage space, I've decided to migrate my VMs to a larger set of drives.

I have PVE installed baremetal on a dell r720 RAID1 SSDs. I'm a bit nervous about the migration.

I plan on swapping the SSDs, installing PVE8 from scratch, then restoring VMs from backup.

Should I encounter an issue, am I able to swap the old RAID1 SSDs back in, or once I configure the new ones are the old drives done for? I'm managing RAID on a dell RAID controller.

I also have my data hard drives passed directly into a TrueNAS VM which supplies other VMs via NFS. Is there anything I should be concerned about when I've migrated, such as errors re-passing the data drives to the TrueNAS VM. Or should everything just work again?

Is there a master PVE config file I can download before swapping drives that I can reference when configuring the new PVE install?

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[–] minnix@lemux.minnix.dev 2 points 3 months ago (1 children)

I did something similar when migrating to 8. Consumer SSDs suck with proxmox so I bought 2 enterprise SSDs on Ebay before the migration and decided to do everything at once. I didn't have all the moving parts you did though. If you have an issue, you will more than likely not be able to pop back in the old SSDs and expect everything to work as normal. I'm not sure what you're using to create backups but if you're not already I would recommend PBS. This way if there is an issue, restoring your VMs is trivial. As long as that PBS is up and running correctly (makes sure to restore a backup before making any changes to make sure it works as intended) it should be ok. I have 2 PBS's. One on and off site.

PBS will keep the correct IPs of your VMs so reconnecting NFS shares shouldn't be an issue either.

[–] brownmustardminion@lemmy.ml 1 points 3 months ago (1 children)

I have a remote pbs but the backups aren't current because there was a connection error. I have Proxmox backups locally to a USB thumbdrive. That's what I was going to restore from.

[–] minnix@lemux.minnix.dev 5 points 3 months ago (1 children)

I would say that is not the best way to keep/restore backups as you are missing the integrity checking features of a true backup system. But honestly what really matters is how important the data is to you.

[–] brownmustardminion@lemmy.ml 2 points 3 months ago

When I say local I mean automated PVE backups the same as it would be through PBS. If that makes any difference.