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  • 109 Posts
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Joined 1 year ago
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Cake day: June 22nd, 2023

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  • minnix@lemux.minnix.devtoSelfhosted@lemmy.worldAnyone running ZFS?
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    2 months ago

    There is no way to get acceptable IOPS out of HDDs within Proxmox. Your IO delay will be insane. You could at best stripe a ton of HDDs but even then one enterprise grade SSD will smoke it as far as performance goes. Post screenshots of your current Proxmox HDD/SSD disk setup with your ZFS pool, services, and IO delay and then we can talk. The difference that enterprise gives you is night and day.







  • minnix@lemux.minnix.devtoSelfhosted@lemmy.worldAnyone running ZFS?
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    2 months ago

    Yes I’m specifically referring to your ZFS pool containing your VMs/LXCs. Enterprise SSDs for that. Get them on ebay. Just do a search on the Proxmox forums for enterprise vs consumer SSD to see the problem with consumer hardware for ZFS. For Proxmox itself you want something like an NVME with DRAM, specifically underprovisioned for an unused space buffer for the drive controller to use for wear leveling.













  • 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.