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You don't normally need a swap-drive on a storage node (if it needs to swap then something is wrong to begin with), but of course I don't know the details of what your nodes may do beyond dealing out files.

The main advantage of PXE-booting would be maintainability (rolling out upgrades by a simple reboot, etc.) but I assume at your scale you have that already figured out in one way or another.

Either way, thank you for all the insights that you keep sharing with the public! These hands-on blog posts are priceless both in entertainment and education value. :-)

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