On Wed, 15 Jul 2020 at 09:59, Sad Clouds <cryintotheblue...@gmail.com> wrote: > > On Wed, 15 Jul 2020 00:20:33 +0100 > Peter Kay <syllops...@syllopsium.co.uk> wrote: > > > Configuration : Boot drive on SATA, other drives on LSI 3008 8i SAS in > > JBOD, boot ROM disabled. The mpii driver gets very upset (causes a > > kernel panic on boot, even though the boot drive is on SATA [1]) if > > some of the drive bays aren't occupied, throws unhappy messages about > > drives disappearing from bays, and generally doesn't provide any > > confidence that I could ever remove a drive from a running system and > > have it work. > > So the issue only happens when you remove drives from a live system? If > that's the case, the obvious workaround would be to power off the > system and then replace faulty drive. No, it also causes a problem if the system is booted up from cold with drives missing/in a different order than before (the boot drive still being in the same location). It'd be nice to have the ability to hot swap, but if it was a cold boot only issue for failed drives that would be ok.
> There is LSI binary Linux command line tool (MegaCli64), so I imagine > you could offline/online individual disks, but you'd need Linux > emulation packages setup on NetBSD. Interesting, thank you.