From owner-freebsd-scsi@FreeBSD.ORG  Tue Oct  7 16:27:04 2014
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Subject: Re: mpr vs mps performance
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From: Borja Marcos <borjam@sarenet.es>
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On Oct 7, 2014, at 6:11 PM, Alan Somers wrote:

>> Borja, can you upgrade your card to the latest FW.  Your version is =
really
>> old (1.00.03.00).  We should be up to 7.00.00.00 now.  There could be =
a lot
>> of fixes that would affect performance.
>=20
> To update the firmware, you must download LSI's
> Installer_P6_for_FreeBSD from the link below.  Then the tricky part:
> you must hexedit the executable and replace all "mps3_" strings with
> "mpr", suitably padded with NULLs.  It sucks, I know; complain to
> LSI/Avago.  Then you must download the
> 9300_8e_Package_P6_IT_Firmware_BIOS_for_MSDOS_Windows (or whichever is
> appropriate for your hardware) to get the actual firmware files.  Then
> you can use the hacked FreeBSD installer binary to download the
> firmware from the Windows firmware package.
>=20
> =
http://www.lsi.com/support/pages/download-results.aspx?component=3DStorage=
+Component&productfamily=3DHost+Bus+Adapters&productcode=3DP00766&assettyp=
e=3D0&productname=3DLSI+SAS+9300-8e

Thanks, I'll try. Probably the SAS2 cards will go into production but =
I'm happy to help with some tests.

The performance problem was not sustained, but writing performance =
stalled for several seconds now and then. It did not happen with the =
SAS2 HBA (which is a Dell branded as H200 flashed to IT firmware).





Borja.