Selfhosted
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
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Its cheaper, has better visibility for drive health, and things like CoW means a file is extremely unlikely to be corrupt on a power failure (with hardware raid, you are relying on the battery in the raid controller for that protection. I guess you could run CoW ontop of a hardware raid). CoW also helps spread wear on SSDs.
ZFS will heal data if it finds corrupted blocks, not sure that a hardware raid does.
ZFS is the same anywhere, and is adjusted via software (as opposed to the dell PERCs which i believe require booting into essentially bios. Certainly ive never had the work through iDRAC), and you dont have to learn that raid controllers control UI (altho, they are never difficult).
Its also another part that could fail and require like-for-like replacement. ZFS on satas just needs to be able to access the drive.
I looked into it ages ago, and ZFS on HBA made so much more sense than a $300 used raid controller.