from mfi to mrsas, a question to those who use mrsas

[mike tancsa]

On 10/12/2019 8:36 AM, Victor Sudakov wrote:
> Dear Colleagues,
>
> I'm considering switching from mfi to mrsas, so a couple of questions to
> those of you who use mrsas.
>
> 1. I have mirrors configured in mfi (see below). After switching, shall
> I continue to see and use the configured hardware RAID volumes, or will
> the disks suddenly become.. well, just separate disks?

Hi,

    I use mine in JBOD mode for ZFS disks, so not sure about their
native RAID configs.

> 2. I think I'll lose the convenience of mfiutil. Is there anything to
> manage mrsas drives/volumes/firmware from inside FreeBSD (adding arrays,
> monitoring drives etc)?

sysutils/storcli
sysutils/megacli

I use storcli, (eg)

storcli /c0 show all
storcli /c0 show help

and it seems quite complete.  However,it does pollute dmesg with every
invocation

mfi0: IOCTL 0x40704d07 not handled
mrsas0: pci bus no: 1,pci device no: 0, pci function no: 0,pci domain ID: 0
mrsas0: pci bus no: 1,pci device no: 0, pci function no: 0,pci domain ID: 0
mrsas0: pci bus no: 1,pci device no: 0, pci function no: 0,pci domain ID: 0

    ---Mike