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Anyone running ZFS? (lemmy.fwgx.uk)

submitted 2 years ago* (last edited 2 years ago) by blackstrat@lemmy.fwgx.uk to c/selfhosted@lemmy.world

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At the moment I have my NAS setup as a Proxmox VM with a hardware RAID card handling 6 2TB disks. My VMs are running on NVMEs with the NAS VM handling the data storage with the RAIDed volume passed through to the VM direct in Proxmox. I am running it as a large ext4 partition. Mostly photos, personal docs and a few films. Only I really use it. My desktop and laptop mount it over NFS. I have restic backups running weekly to two external HDDs. It all works pretty well and has for years.

I am now getting ZFS curious. I know I'll need to IT flash the HBA, or get another. I'm guessing it's best to create the zpool in Proxmox and pass that through to the NAS VM? Or would it be better to pass the individual disks through to the VM and manage the zpool from there?

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[–] TheHolm@aussie.zone 1 points 2 years ago (1 children)

both works. Just do not forgot to assign fake serial numbers if you are passing disks. IMHO passing disk will be more performant, or may be just pass HBA controller if other disks are on different controller.

[–] blackstrat@lemmy.fwgx.uk 1 points 2 years ago (1 children)

Why fake serial numbers?

[–] TheHolm@aussie.zone 1 points 2 years ago

to stop guessing what HDD to replace when one failed. VM can't see actual HDDs as SMART is not getting forwarded.