Re: Apple Xserve RAID and qlogic ISP2312 (qla2300)

[Catalin Muresan <catalin.muresan@astral.ro>]

On Thu, Oct 28, 2004 at 10:21:43AM -0700, Andrew Vasquez wrote:
 > Not wanting to go into the history of the qla2xxx driver's internal
 > port/lun structures, let me just say that the driver should always
 > create an internal 'lun 0' object so that the mid-layer can perform
 > its scan.

	that sound like fixing hardware bugs in software ;)

 > > Catalin - does the device support REPORT LUNS? Do you have that
 > > configured? It would avoid this problem.
 > > 
 > 
 > Yes, Catalin, could you find that out?  I've only had a small amount
 > of exposure with the XRAID box and know that there were some quirks
 > about the device not performing an RFT_ID with the SNS, not sure if
 > that was addressed.

	i don't know how to find that, i'm gonna go and look at the source
and try to figure it out untill you respond.

 > > > 	my goal is to have a kernel with which I can boot from FC, but i see
 > > > that can be done only with an ugly patch(for now) or with tricks from
 > > > initrd.
 > > 
 > > What tricks and ugly patch? I haven't tried boot via qlogic on an HS20.
 > > 
 > 
 > Catalin,  could you enable some debug settings:
 > 
 > In qla_dbg.h, modify the following line:
 > 
 > 	/* #define QL_DEBUG_LEVEL_2  */ /* Output error msgs to COM1 */
 > 
 > to read as:
 > 
 > 	#define QL_DEBUG_LEVEL_2   /* Output error msgs to COM1 */
 > 
 > In qla_settings.h, modify the following line:
 > 
 > 	#define DEBUG_QLA2100           0       /* For Debug of qla2x00 */
 > 
 > to read as:
 > 
 > 	#define DEBUG_QLA2100           1       /* For Debug of qla2x00 */
 > 
 > recompile the driver, load, and forward over the relevent
 > var/log/messages snippet to me.

	will do that asap.

 > BTW: Regarding the internal queues and port/lun objects -- most of our
 > 'experimental' work with 2.6 is begin done with our iSCSI driver.
 > This includes removal of the driver's internal queuing mechanism and
 > dependencies on these port/lun objects being built internally during
 > the driver scan.  Porting (actually mostly pruning) to the FC driver
 > will follow shortly.
 > 
 > --
 > Andrew Vasquez

-- 
Kat