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For the uninitiated among us (including myself) could you explain what an HBA is? Or share any more details on how you’d build a low-cost NAS that’s not a Rasp

For the uninitiated among us (including myself) could you explain what an HBA is? Or share any more details on how you’d build a low-cost NAS that’s not a Raspberry Pi? I have a Raspberry Pi 4 that mounts a USB hard disk and serves files over SMB and Nextcloud. I have been considering reformatting the drive to ZFS or btrfs and booting the Pi directly from that so that I can start taking snapshots. Is this a bad idea? I’ve looked at buying dedicated NAS hardware before (mostly Synology products) but I’m always deterred by the cost. A low end Synology NAS with drives runs around $500 or $600, which is a huge jump from my little Pi.

magicalhippo 6y ago
HBA is basically a PCIe to SAS/SATA card (could be other variants but this is the typical one). For a low-cost NAS you could use a spare computer. My first NAS was my old desktop computer, using the motherboard SATA ports. That said, ZFS should work on the Raspberry Pi 4 at least in 64bit mode. You probably will want to use Ubuntu as it has ZFS support. If you have a spare drive you can test with, give a whirl. Just keep in mind this[1] if you have poor performance from the USB-SATA. [1]: https://www.raspberrypi.org/forums/viewtopic.php?t=245931 https://www.raspberrypi.org/forums/viewtopic.php?t=245931