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Cake day: June 14th, 2023

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  • You can’t remove drives from a zpool though. So if you start with a small drive and keep adding drives as you fill them up, you’ll eventually run out of SATA ports and want to replace the smallest drive. The only way to do that is to create a new zpool and copy all of your data to it, which means you need a second set of drives that’s at least as big as the first.

    Or you could add a pci-e SATA card, if you have an extra pci-e port. Used cards like the Dell PERC H310 are cheap and reliable and support 8 drive on their own, or >256 with cheap expander cards that can be daisy-chained (and only need power, so they don’t use up pci-e slots).

    Edit: looks like they added support for removing drives about 5 years ago.