SR1500 + 5000PAL + SAS backplane - no RAID support

[Johannes.Kruger at nokia.com]

You have to setup the RAID-1 volume in the LSI BIOS.
The normal motherboard BIOS is supposed to execute the bootrom in the
LSI card, which will allow you to enter the LSI BIOS.

If I remember correctly it's "control-C" on bootup, instead of "DEL".
Then you select new IM volume (Integrated mirroring) 
You can migrate your main disk to the volume, and your second disk will
then be synchronized to look like the first disk.

Johan

-----Original Message-----
From: owner-freebsd-scsi at freebsd.org
[mailto:owner-freebsd-scsi at freebsd.org] 
Sent: Monday, October 23, 2006 10:12 AM
To: freebsd-scsi at freebsd.org
Subject: SR1500 + 5000PAL + SAS backplane - no RAID support

-----Original Message-----
#define MPI_EVENT_SAS_PHY_LINK_STATUS       (0x00000012)
#define MPI_EVENT_SAS_DISCOVERY_ERROR       (0x00000013)
#define MPI_EVENT_IR_RESYNC_UPDATE          (0x00000014)
#define MPI_EVENT_IR2                       (0x00000015)
#define MPI_EVENT_SAS_DISCOVERY             (0x00000016)

Event 0x16 just means that the card is probing for devices attached to
the PHY's 
In your case 0x12 means a device have been seen on a PHY

P.S. If you get time and want to do me a favor, configure 2 drives on
the controller in a RAID-1 configuration.
Then do a disk test on the RAID-1 volume, say with iozone or any other
method, and tell me your performance.

I get slow RAID-1 performance, still cannot figure this out, ~5
Mbytse/sec instead of ~ 30 Mbytes/sec with no volume.
With NCQ enabled it goes up to 15, but it' still not 30.

I can get faster RAID-1 performance by implementing this in software
doing parallel writes.

Johan
-----Original Message-----

How I can test it...
First of all FreeBSD should see RAID, but it only see separated HDD
(da*)
This is the problem that I described

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