Should we prefer install the Truenas Scale OS on NVMe drive and is it better than SATA SSD?

[nowm]

Is there any difference, especially performance-wise after system has booted?

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notice: the boot drives can only be used for boot purpose.

I have to waste an entire drive just for booting?

This resource was originally created by user: jgreco on the TrueNAS Community Forums Archive. Please DM this account or comment in this thread to claim it. With the advent of TrueNAS Scale, we seem to be getting a large number of people from the Linux community who are not quite grasping what TrueNAS is. TrueNAS is not a “Linux distro” and it is not designed to try to meet your arbitrarily spec’d use cases. TrueNAS is an appliance firmware for storage, which happens to be built on top of FreeB…

[etorix]

No. Use whatever port you need less—so typically NVMe boot to save SATA ports for HDDs.

[Protopia]

@etorix is not wrong but nevertheless not exactly right either.

Boot drive does not need to be the best performance, so if you have enough SATA ports and you have a better use for NVMe for locally active data e.g. apps or VMs, then you should probably use a SATA SSD for boot and the NVMe for the active data.