One more piece of information. Working against CLARiiON with LUNs that defined write cache enabled, and using virtual port everything is OK, I succeed to rmmod the qlogic module. The issue is only with virtual port against this LSI controller. Gal. On Tue, 2008-12-09 at 08:44 +0200, Gal Rosen wrote: > Ok, now the picture is more clear. > It happened only with the virtual ports. > With physical port and LUNs that defined with write cache enable rmmod > succeeded, and on the messages file I see: > [57972.480234] sd 40:0:0:1: [sdb] Synchronizing SCSI cache > [57972.530263] sd 40:0:0:1: [sdb] Result: hostbyte=DID_NO_CONNECT > driverbyte=DRIVER_OK,SUGGEST_OK > > While with virtual port I see only: > [57972.480234] sd 40:0:0:1: [sdb] Synchronizing SCSI cache > and never get the Result. > > Anyone has an idea? > > Thanks, > Gal. > > On Mon, 2008-12-08 at 19:48 +0200, Gal Rosen wrote: > > On Mon, 2008-12-08 at 09:23 -0800, Seokmann Ju wrote: > > > On Dec 8, 2008, at 3:33 AM, Gal Rosen wrote: > > > > > > > Hi, > > > > > > > > I am working against IBM Total Storage DS4000 with LSI INF-01-00 Rev: > > > > 0534 controller. First I don't understand why this controller > > > > present 32 > > > > access LUNs instead of one. > > > > > > > > But my main issue is when I create virtual port and then try to rmmod > > > > the qlogic driver, it stuck. I must say that I made changes to the > > > > qlogic driver which add possibility to create virtual port in FC-AL > > > > topology. The base driver is from kernel 2.6.26.2. > > > > > > > > Here is a part of the messages file: > > > > > > > > [ 1814.053285] scsi(7): DPC handler exiting > > > [snip] > > > > > > > > host5 is the physical port, and host8 is the virtual port that created > > > > on host5. > > > > This issue does not occur against CLARiiON for instanse. > > > As you may know, the NPIV feature implemented in such a way to work only > > > in switched fabric topology. > > > It requires certain switch with NPIV capable to be able to make the > > > feature fully working. > > > > Yes, I know that, but we use the Multi ID feature in Qlogic 24xx > > firmware, to create the virtual port in LOOP topology. > > > > I found that if I configure the LUN in the array to write cache disable > > this problem does not occur; does this tell something to anyone ? > > I don't think that it related to the vport, it will happened also with > > physical port. > > > > Gal. > > > > > > Thank you, > > > Seokmann > > > > > > > > > > > > > > > Please help !!! > > > > > > > > Thanks, > > > > Gal Rosen. > > > > > > > > > > > > -- > > > > To unsubscribe from this list: send the line "unsubscribe linux- > > > > scsi" in > > > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
