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Full Discussion: MPIO Driver
Operating Systems AIX MPIO Driver Post 302337039 by clking on Thursday 23rd of July 2009 09:16:08 AM
Old 07-23-2009
Error MPIO Driver

On a particular LPAR, I was running AIX 5.3 TL 3. On Monday I did an update of the LPAR to 5.3 TL 9 SP2. The install was smooth, but then I ran into a problem.

The MPIO driver does not work with LSI's StoreAge (SVM4). I did some looking, and looks like

5.3 TL3 = IBM.MPIO 5.3.0.30
5.3 TL9 SP2 = IBM.MPIO 5.3.9.2

I am in the process of trying to figure out how to go back to the previous version. I searched the forum and found this link....but not sure what this will gain me.
www.unix.com/aix/76390-need-help-uninstalling-devices-common-ibm-mpio-rte-5-3-a.html

I was thinking about recovering from the backupos I ran, as well as the file level backup from about a week ago. This should take me back to before the update....

Thoughts? Or should I just try to uninstall the MPIO package and put the older version on?
 
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MPT(4)							   BSD Kernel Interfaces Manual 						    MPT(4)

NAME
mpt -- LSI Fusion-MPT SCSI/Fibre Channel driver SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file: device scbus device mpt Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): mpt_load="YES" DESCRIPTION
The mpt driver provides support for the LSI Logic Fusion-MPT family of SCSI, Fibre Channel and SAS controllers. HARDWARE
The following controllers are supported by the mpt driver: o LSI Logic 53c1030, LSI Logic LSI2x320-X (Single and Dual Ultra320 SCSI) o LSI Logic AS1064, LSI Logic AS1068 (SAS/SATA) o LSI Logic FC909 (1Gb/s Fibre Channel) o LSI Logic FC909A (Dual 1Gb/s Fibre Channel) o LSI Logic FC919, LSI Logic 7102XP-LC (Single 2Gb/s Fibre Channel) o LSI Logic FC929, LSI Logic FC929X, LSI Logic 7202XP-LC (Dual 2Gb/s Fibre Channel) o LSI Logic FC949X (Dual 4Gb/s Fibre Channel) o LSI Logic FC949E, LSI Logic FC949ES (Dual 4Gb/s Fibre Channel PCI-Express) The Ultra 320 SCSI controller chips supported by the mpt driver can be found onboard on many systems including: o Dell PowerEdge 1750 thru 2850 o IBM eServer xSeries 335 These systems also contain Integrated Raid Mirroring and Integrated Raid Mirroring Enhanced which this driver also supports. The SAS controller chips are also present on many new AMD/Opteron based systems, like the Sun 4100. Note that this controller can drive both SAS and SATA drives or a mix of them at the same time. The Integrated Raid Mirroring available for these controllers is poorly supported at best. The Fibre Channel controller chipset are supported by a broad variety of speeds and systems. The Apple Fibre Channel HBA is in fact the FC949ES card. This driver also supports target mode for Fibre Channel cards. This support may be enabled by setting the desired role of the core via the LSI Logic firmware utility that establishes what roles the card can take on - no separate compilation is required. SEE ALSO
cd(4), ch(4), da(4), pci(4), sa(4), scsi(4), targ(4), mptutil(8), gmultipath(8) LSI Logic Website, http://www.lsilogic.com/. HISTORY
The mpt driver first appeared in FreeBSD 4.6. AUTHORS
The mpt driver was originally written for FreeBSD by Greg Ansley and marginally improved upon by Matt Jacob <mjacob@FreeBSD.org>. Justin Gibbs <gibbs@FreeBSD.org> and Scott Long <scottl@FreeBSD.org> have made more substantial improvements. BUGS
BSD
May 13, 2010 BSD

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