Re: LSI SAS 3108 RAID Controller

On 02/02/16 09:06, Zara Kanaeva wrote:
> Dear list,
> 
> I have one Fujitsu server with LSI SAS 3108 RAID Controller. These LSI
> SAS 3108 RAID Controller is supported by the mpr driver
> (https://www.freebsd.org/relnotes/CURRENT/hardware/support.html).
> If I try to install the FreeBSD-stable 10.0 or FreeBSD-current 11.0 on
> this server I can make partitions, but I can not write install files on
> the disks (better to say RAID5 virtual drive) without errors.
> The erorrs are:
> mfi0 failed to get command
> mfi0: COMMAND ... TIMEOUT AFTER  ... SECONDS
> 
> By the installations I see my virtual drive as device with mfi0 as
> identifier.
> 
> My questions are:
> 1) Why I see the virtual drive as device with mfi0 as identifier. I
> would expect that my virtual drive has identifier mpr0 or something like
> this.
> 2) Why I can install FreeBSD on one of the disks connected to LSI SAS
> 3108 RAID Controller, if the disks do not build any virtual drive (no
> matter which RAID level). Is that possible because mpr driver supports
> the LSI SAS 3108 RAID Controller as SCSI Controller and not as RAID
> Controller (see Kernel configuration)?
> 

it may be helpful to investigate your system using mfiutil(8).  It's
possible you have flaky hardware as I have used that card before with
out issues IIRC.

Hope this helps,
-pete

-- 
Pete Wright
pete_at_nomadlogic.org
twitter => _at_nomadlogicLA