SR1500 + 5000PAL + SAS backplane - no RAID support

[Johannes.Kruger at nokia.com]

Hmmm, maybe you have the same problem I have with the LSI-1064E .
I was able to see a disk though, even though the RAID did not come up.
I had to enable the port otherwise the IOC page 2 did not indicate max
disks of non-zero, and also not valid RAID info.
It also did not help when I executed (enabled the port) afterwards ...
strange, you might ask Matthew's opinion on this , I just recently
ported his driver to FreeBSD 2.2.X (including required CAM code) for a
project I am working on, I did not develop it.

In the file mpt.c (location /usr/src/sys/dev/mpt/mpt.c) I had to make a
change to enable the port, otherwise the RAID will not get probed
because the pages do not contain valid info.

Go to function mpt_enable_ioc.
Scroll down until you see this snippet:
------------------------- snippet
----------------------------------------
        /*
         * Enable the port if asked. This is only done if we're
resetting
         * the IOC after initial startup.
         */

        //if (portenable) {
        if (1) {
                /*
                 * Enable asynchronous event reporting
                 */
                //jjk moved it down a bit ?
                //mpt_send_event_request(mpt, 1);

                if (mpt_send_port_enable(mpt, 0) != MPT_OK) {
                        printf("failed to enable port 0\n");
                        return (ENXIO);
                }
                mpt_send_event_request(mpt, 1); //jjkhack 
        }

        return (MPT_OK);
-------------------------- snippet
---------------------------------------

Change from:
if (portenable) {
change to:
if (1) {

You will se I moved down the mpt_send_event_request, but you do not need
to do that.

Johan

.

-----Original Message-----
From: ext supportsobaka at mail.ru [mailto:supportsobaka at mail.ru] 
Sent: Monday, October 23, 2006 12:53 PM
To: Kruger Johannes (Nokia-ES/Boston)
Cc: freebsd-scsi at freebsd.org
Subject: Re[2]: SR1500 + 5000PAL + SAS backplane - no RAID support



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

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


I described in my first message, that RAID was setup in BIOS, but
FreeBSD can't see it's raid. It is main problem! ...not "event 0x16"
problem

Once again:
---
In system BIOS I set
Mass storage controllers menu
     SAS controller - Enable
     SAS configure as SW RAID - Enable
RAID was build in controller's BIOS (CTRL+E during boot).
---

We talking about Intel 5000PAL + SAS backplane
There is LSISAS1054E chip and 3 SAS Ports 1U Active Backplane and Intel
Embedded Server Raid
Technology II for RAID setup   (CTRL+E during boot)

FreeBSD can't see raid



JKnc> Johan

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

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

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

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

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

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

JKnc> Johan
JKnc> -----Original Message-----

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

JKnc> _______________________________________________
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