Cisco 12G SAS RAID support (FreeBSD 12.1-RELEASE) ?

[Miroslav Lachman]

Chris Ross wrote on 11/05/2019 21:19:
> On Tue, Nov 05, 2019 at 08:20:15PM +0100, Miroslav Lachman wrote:
>> Chris Ross wrote on 11/05/2019 19:34:
>>> Hello.  I have a Cisco UCS C220-M5 with a RAID controller.  It calls itself
>>> "Cisco 12G Modular Raid Controller with 2GB cache", PPID UCSC-RAID-M5.
>>> Looking at the CIMC, it shows the PCI vendor/device ids 1000:0014, which
>>> looks to be an LSI MegaRAID Tri-Mode SAS3516.  It looks like this should
>>> be supported by the mpr(4) driver, but it doesn't seem to recognize it
>>> at boot time.
>>
>> Do you have mpr_load="YES" in loader.conf?
>> Or for ISO booting you can manually load kernel modules at boot prompt.
> 
> I dropped to boot prompt in ISO boot, and entered 'mpr_load="YES"'.
> 
> I tried "load", but wasn't able to devine how to load the mpr module with
> that.  Is that needed, or should 'mpr_load="YES"' have accomplished the
> desired result?

mpr_load="YES" goes to /etc/loader.conf

If you need to load mpr manually in boot prompt I am not sure if it 
should be:
load mpr
or
load mpr.ko
of full path
load /boot/kernel/mpr.ko

Kind Regards
Miroslav Lachman