On Tue, Feb 03, 2009 at 10:30:13AM +0100, Hans de Goede wrote: > > > > Mike Christie wrote: > > Konrad Rzeszutek wrote: > >> On Mon, Feb 02, 2009 at 11:39:18AM +0100, Hans de Goede wrote: > >>> Hi, > >>> > >>> When using 2-way chap and booting from an intel network card with intel > >>> firmware initiator, their is no way to specify the username in the > >>> firmware > >>> initiator for the reverse chap, nor does it care what username the target > >>> provides. > >>> > >>> However under sysfs (ibft) there is a reverse username attribute > >>> (containing > >>> garbage) and as this garbage is not provided by the target open-iscsi > >>> does not > >>> want to talk to the target. > >> That is b/c the ibft module parses the iBFT structure and this is the > >> offset where > >> the reverse username attribute is at. You can insert a bunch of printks in > >> the > >> module and see data. > >> > >> Better yet, try this attached tool. I wrote it up some time with a > >> different purpose > >> in mind and just now converted it over to read from /dev/mem. Try it and > >> see if the > >> data comes out looking valid. > >> > >> (Last time I used it on an Intel NICs, they would insert 0xFF everywhere > >> in the > >> IBFT). > >> > >>> So how do we work around this? > >> Try to use the IBM HS-20 (ibm-hs20-iscsi.lab.redhat.com, I think) > >> > > > > Hey, so this is a problem with only intel nics? If so let's talk to the > > intel guys to see if they are going to fix it, or is already fixed by > > just updating the firmware. > > > > Yes, this seems to be a problem with the ibft of the intel nic firmware. I do > not have the all FF FF problem, everything is correct, except for the > reverseusername, which is not surprising as the firmware BIOS setup interface > does not allow one to specify a reverseusername. But then I would expect the > reverse username sysfs attribute to be empty which it is not (which undoubtly > is a firmware bug).
OK. Can you send me the binary blob? Maybe there is something that can be done in the iscsi_ibft to detect this and do the right thing (ie, not fill reverse username with garbage). --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to email@example.com To unsubscribe from this group, send email to open-iscsi+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/open-iscsi -~----------~----~----~----~------~----~------~--~---