Interrupt storm and poor disk performance | mfi(4) driver | FreeBSD 8 | Dell PERC H730

Lowell Gilbert freebsd-questions-local at
Sat Sep 26 15:24:48 UTC 2015

Pallav Bose via freebsd-questions <freebsd-questions at>

> I have a Dell PowerEdge R430 server with a PERC H730 RAID
> controller. I'm trying to get FreeBSD 8 to install and run on this
> server. At this time, I have a patched version of the mfi(4) driver
> which attaches to the controller. I'm aware of mrsas(4), but since I
> have scripts that use mfiutil(8), I'd like to continue using the
> mfi(4) driver.

I don't see an obvious issue.

To be honest, I am not willing to spend much time figuring out problems
with an out-of-support release. I am sure that other people act similarly.

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