[PVE-User] mirrored ZFS boot with SATA SSD & NVMe PCIe SSD?

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* [PVE-User] mirrored ZFS boot with SATA SSD & NVMe PCIe SSD?
@ 2021-04-15 15:43 Lindsay Mathieson
       [not found] ` <mailman.398.1618501949.359.pve-user@lists.proxmox.com>
  0 siblings, 1 reply; 2+ messages in thread
From: Lindsay Mathieson @ 2021-04-15 15:43 UTC (permalink / raw)
  To: pve-user

Setting up a home server (NUC i5) and it can only take a 2.5" SATA drive 
and a NVMe PCIe SSD - but I would really like a mirrored ZFS boot.

Is it possible (and safe?) to use a 512GB SATA SSD and a 512GB NVMe PCi 
SSD in a zfs boot mirror?

-- 
Lindsay

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* Re: [PVE-User] mirrored ZFS boot with SATA SSD & NVMe PCIe SSD?
       [not found] ` <mailman.398.1618501949.359.pve-user@lists.proxmox.com>
@ 2021-04-15 16:33   ` Lindsay Mathieson
  0 siblings, 0 replies; 2+ messages in thread
From: Lindsay Mathieson @ 2021-04-15 16:33 UTC (permalink / raw)
  To: pve-user

On 16/04/2021 1:51 am, Arjen via pve-user wrote:
> It should work fine but the write speeds (and fsync/sec) will typically be the slowest of the two.

Thanks, thought that would be the case.


> I use a NVME M.2 mirrored by two SATA drives for my VMs, which I think is quite similar.
> Older systems sometimes cannot boot from NVME (PCIe). You might want to make sure, otherwise the redundancy won't help if the SATA one fails.

Didn't know that, will check.

-- 
Lindsay




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2021-04-15 15:43 [PVE-User] mirrored ZFS boot with SATA SSD & NVMe PCIe SSD? Lindsay Mathieson
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2021-04-15 16:33   ` Lindsay Mathieson

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